Motorola APX O7 User Manual
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APX TWO-WAY RADIOS
APX 2500, APX 5500, APX 6500, APX 7500, APX 8500
APX MOBILE O7
CONTROL HEAD USER
GUIDE
JULY 2021
*68012006034*
68012006034-ER
2021 Motorola Solutions, Inc. All rights reserved
©

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Summary of Contents for Motorola APX O7

  • Page 1 APX TWO-WAY RADIOS APX 2500, APX 5500, APX 6500, APX 7500, APX 8500 APX MOBILE O7 CONTROL HEAD USER GUIDE JULY 2021 *68012006034* 68012006034-ER 2021 Motorola Solutions, Inc. All rights reserved ©...
  • Page 2: Intellectual Property And Regulatory Notices

    License Rights The purchase of Motorola Solutions products shall not be deemed to grant either directly or by implication, estoppel or otherwise, any license under the copyrights, patents or patent applications of Motorola Solutions, except for the normal non-exclusive, royalty-free license to use that arises by operation of law in the sale of a product.
  • Page 3: Table Of Contents

    68012006034-ER Contents Contents Intellectual Property and Regulatory Notices............2 List of Tables......................11 Software Version.......................12 Chapter 1: Read Me First..................13 1.1 Notations Used in This Manual....................13 1.2 Radio Care..........................13 1.2.1 Cleaning the External Surface of the Radio.............14 1.3 Additional Performance Enhancement.................. 14 1.3.1 ASTRO 25 Enhanced Data..................14 1.3.2 Dynamic System Resilience..................
  • Page 4 68012006034-ER Contents Chapter 5: General Radio Operation..............35 5.1 Selecting a Zone........................35 5.2 Selecting a Radio Channel....................35 5.3 Receiving and Responding to a Radio Call................35 5.3.1 Receiving and Responding to a Talkgroup Call............36 5.3.2 Receiving and Responding to a Private Call (Trunking Only)........36 5.3.3 Receiving and Responding to a Telephone Call (Trunking Only)......
  • Page 5 68012006034-ER Contents 6.4 Remote Monitor........................50 6.5 Contacts..........................50 6.5.1 Making a Private Call from Contacts................50 6.5.2 Adding a New Contact Entry..................51 6.5.3 Deleting a Contact Entry..................52 6.5.4 Adding a Contact to a Call List.................52 6.5.5 Methods of Contact Editing in a Call List..............52 6.5.5.1 Editing an Entry Alias.................
  • Page 6 68012006034-ER Contents 6.12.4 Exiting Emergency as Supervisor (Trunking Only)..........63 6.12.5 Sending an Emergency Alarm................64 6.12.6 Sending an Emergency Call (Trunking Only)............64 6.12.7 Sending An Emergency Call With Hot Mic (Trunking Only)........65 6.12.8 Sending an Emergency Alarm with Emergency Call..........65 6.12.9 Sending An Emergency Alarm and Call with Hot Mic..........
  • Page 7 68012006034-ER Contents 6.16.3.3 Selecting Encryption Keys............... 80 6.16.3.4 Selecting Keysets..................81 6.16.3.5 Erasing Encryption Keys................81 6.16.3.6 Requesting an Over-the-Air Rekey............82 6.16.3.7 MDC OTAR (Conventional Only)............. 82 6.16.3.8 Infinite UKEK Retention................82 6.16.3.9 Hear Clear....................82 6.17 Radio Lock...........................83 6.17.1 Enabling or Disabling Radio Lock (Secure Radios Only)........83 6.17.2 Changing the Radio Lock Password..............84 6.17.3 Changing the Tactical Inhibit Password..............84 6.18 Radio Stun and Kill......................
  • Page 8 68012006034-ER Contents 6.22.1 Operating in Failsoft System..................95 6.22.2 Out-of-Range Radio....................96 6.22.3 SmartConnect......................96 6.22.4 SmartZone......................96 6.22.5 Site Trunking Feature.................... 96 6.22.6 Locking and Unlocking a Site.................97 6.22.7 Viewing the Current Site..................97 6.22.8 Changing the Current Site..................97 6.22.9 Trunked Announcement..................97 6.22.9.1 Initiating an Announcement..............98 6.23 Ignition Switch Options......................
  • Page 9 68012006034-ER Contents 6.27.7 Stopping SSA Notification of All Sites..............113 6.27.8 Stopping SSA Notification of All Available Sites..........113 6.28 Channel Change on Off-Hook................... 114 6.29 Low Voltage Threshold Warning..................114 6.30 Wi-Fi..........................115 6.30.1 Turning Wi-Fi On or Off..................115 6.30.2 Selecting WiFi Network..................115 6.30.3 Checking the Wi-Fi Configuration and Status of the Radio........116 6.31 Utilities..........................
  • Page 10 Declaration of Compliance for the Use of Distress and Safety Frequencies......136 Technical Parameters for Interfacing External Data Sources............136 Limited Warranty.....................137 MOTOROLA SOLUTIONS COMMUNICATION PRODUCTS........... 137 I. WHAT THIS WARRANTY COVERS AND FOR HOW LONG:..........137 II. GENERAL PROVISIONS:..................... 138 III.
  • Page 11: List Of Tables

    68012006034-ER List of Tables List of Tables Table 1: O7 Control Head and Microphone ...................19 Table 2: Text Entry Modes ........................21 Table 3: Keypad Characters ........................21 Table 4: LED Indications ........................27 Table 5: TMS Status Icons ........................30 Table 6: Call Type Icons ........................31 Table 7: ViQi Virtual Partner Queries ....................
  • Page 12: Software Version

    68012006034-ER Software Version Software Version All the features described in the following sections are supported by the software version R03.20.00 or later. Accessing the Radio Information to determine the software version of your radio. Contact your system administrator for more details of all the supported features.
  • Page 13: Chapter 1: Read Me First

    68012006034-ER Read Me First Chapter 1 Read Me First This User Guide covers the basic operation of the radio. However, your dealer or system administrator may have customized your radio for your specific needs. Check with your dealer or system administrator for more information.
  • Page 14: Cleaning The External Surface Of The Radio

    68012006034-ER Chapter 1: Read Me First 1.2.1 Cleaning the External Surface of the Radio Prerequisites: CAUTION: Do not use solvents to clean your radio. Spirits may permanently damage the radio housing. Do not submerge the radio in detergent solution. Procedure: 1 Combine 1 teaspoon of mild dishwashing detergent to 1 gallon of water (0.5% solution).
  • Page 15: Securenet

    1.3.7 P25 Digital Vehicular Repeater System Motorola Solutions offers an MSI Certified APX compatible, third party, P25 Digital Vehicular Repeater System (DVRS). This provides low-cost portable radio coverage in areas where only mobile radio coverage is available.
  • Page 16: What Your Dealer/System Administrator Can Tell You

    68012006034-ER Chapter 1: Read Me First • Priority Operation. Up to 30 different talkgroups can be supported using conventional channels. A maximum of four talkgroups can be supported when Vote Scan channels are being used. Smart PTT is supported with this enhancement as Smart PTT prevents you from transmitting while other users are on the channel.
  • Page 17: Chapter 2: Preparing Your Radio For Use

    68012006034-ER Preparing Your Radio for Use Chapter 2 Preparing Your Radio for Use This section provides simple instructions to prepare your radio for use. Turning On the Radio Procedure: 1 Press and hold the Power Button to power on the radio. After a short time, the red, yellow, and green LEDs light up.
  • Page 18 68012006034-ER Chapter 2: Preparing Your Radio for Use Procedure: Press the Power On/Off Button to reset when the display shows Update done Please reset upon completion, or when the display shows Update failed Please reset when it fails to update. If the updates are incomplete, the radio runs the Maintenance Mode and the display shows Maintenance Mode Remote Device;...
  • Page 19: Chapter 3: Radio Controls

    68012006034-ER Radio Controls Chapter 3 Radio Controls This chapter explains the buttons and functions to control the radio. O7 Control Head and Microphone NOTE: The microphone is not part of the radio. It is an optional accessory. Table 1: O7 Control Head and Microphone Number Description Accessory Port (Microphone)
  • Page 20 68012006034-ER Chapter 3: Radio Controls Number Description Home Button Press to return to the Home screen. Data Feature Button Press to enter the Text Messaging Service feature screen. Press and hold to enter the Inbox menu. Accessory 2-Dot Button Use this programmable button to access a preprogrammed function or enable or disable a feature.
  • Page 21: Keypad

    68012006034-ER Chapter 3: Radio Controls Number Description Okay/Select Button Press to select the option that appears on the screen. Cancel Button Press to cancel the current operation and return to the previous screen. Navigation Button (Microphone) Use these buttons for list scrolling and navigating around the menu hierarchy. Keypad Use the keypad to enter alphanumeric text on your radio.
  • Page 22: Programmable Features

    68012006034-ER Chapter 3: Radio Controls Mode Output Hexadecimal 2 A B C 3 key Numeric Uppercase D E F Lowercase d e f Hexadecimal 3 D E F 4 key Numeric Uppercase G H I Lowercase g h i 5 key Numeric Uppercase J K L...
  • Page 23 68012006034-ER Chapter 3: Radio Controls Call Alert Allows your radio to function like a pager, or to verify if a radio is active on the system. Call Response Allows you to answer a private call or phone call. Channel Selects a channel. Contacts Allows you to access the Contacts menu.
  • Page 24 68012006034-ER Chapter 3: Radio Controls Priority Dispatch Allows you to call the dispatcher on a different talkgroup. Radio Profiles Allows you to access a set of preprogrammed visual and audio settings of the radio. Recent Calls Allows you to view the recent call history of your radio. Rekey Request Notifies the dispatcher that a new encryption key is needed.
  • Page 25: Assignable Settings Or Utility Functions

    68012006034-ER Chapter 3: Radio Controls Zone Down Toggles downward through the zones in the radio. Zone Select Selects a zone from the switch. Zone Up Toggles upward through the zones in the radio. 3.3.2 Assignable Settings or Utility Functions Air Horn Toggles the external air horn alert tone on and off.
  • Page 26 68012006034-ER Chapter 3: Radio Controls Wail Toggles the external wail alert tone on and off. Yelp Toggles the external yelp alert tone on and off.
  • Page 27: Chapter 4: Status Indicators

    68012006034-ER Status Indicators Chapter 4 Status Indicators This section explains the status indicators of the radio. LED Indications The Status LED shows the operational status of your radio. Table 4: LED Indications Indication Status Solid red Radio is transmitting. Double blinking red Radio is transmitting an emergency alarm or call.
  • Page 28 68012006034-ER Chapter 4: Status Indicators Icon Description The number of bars displayed represents the received signal strength for the current site (trunking only). The more stripes in the icon, the stronger the signal. The radio has roamed to and is currently registered to a foreign system.
  • Page 29 68012006034-ER Chapter 4: Status Indicators Icon Description AES secure operation. Clear operation. Blinking Receiving an encrypted voice call. Feature is enabled and GPS signal is available. Blinking Feature is enabled, but no GPS signal is available. User Login Indicator (IP Packet Data) User is associated with the radio.
  • Page 30: Tms Status Icons

    68012006034-ER Chapter 4: Status Indicators Icon Description The radio is receiving and transmitting LTE signal. Indicating ARS user logged in successfully with LTE system. The radio is receiving LTE signal with ARS user logged in. The radio is transmitting LTE signal with ARS user logged in. The radio is receiving and transmitting LTE signal with ARS user logged in.
  • Page 31: Call Type Icons

    68012006034-ER Chapter 4: Status Indicators Icon Description Toggle on the “Request Reply” feature before sending the message. Toggle on the “Priority” feature before sending the message. Compose a message with a priority status and a request for a reply. Indicates the index of the current message that you are view- ing.
  • Page 32: Intelligent Lighting Indicators

    68012006034-ER Chapter 4: Status Indicators Intelligent Lighting Indicators This feature temporarily changes the display backlight color and the alert text background color of the radio to help signal that a radio event has occurred. Backlight and Notification When Bar Color Orange Emergency Alerts The radio initiates an emergency alarm or call.
  • Page 33 68012006034-ER Chapter 4: Status Indicators You Hear Tone Name When five sec- onds Single, Central Acknowledge When the central controller of the system receives the high-pitch- Call Alert, emergency alarm, reprogram request, or sta- ed tone tus/message transmission. Four high- Mobile Unit Acknowl- When a Call Alert page is received by the intended pitched...
  • Page 34 68012006034-ER Chapter 4: Status Indicators You Hear Tone Name When Auto Power Off Powers off the radio when no user actions occur during a preprogrammed length of time. Single, Failsoft When a trunked system central controller failure in high-pitch- an unmuted receive condition. The radio reverts from ed tone ev- trunked operation to a system similar to conventional ery nine...
  • Page 35: Chapter 5: General Radio Operation

    68012006034-ER General Radio Operation Chapter 5 General Radio Operation This chapter explains the general operations of your radio. Selecting a Zone When and where to use:A zone is a group of channels. Do one of the following to select a radio channel.
  • Page 36: Receiving And Responding To A Talkgroup Call

    68012006034-ER Chapter 5: General Radio Operation Red LED Yellow LED Green LED The radio shows different indicators based on the system the radio is configured. • The LED lights up solid red while the radio is transmitting. • In conventional mode, the LED lights up solid yellow when the radio is receiving a transmission. •...
  • Page 37: Receiving And Responding To A Telephone Call (Trunking Only)

    68012006034-ER Chapter 5: General Radio Operation If the caller name is not in the call list, the display shows the caller ID. 2 Press and hold the PTT button to talk. Release the PTT button to listen. 3 Press to hang up and return to the Home screen. NOTE: If you press the PTT button before pressing the Menu Select button directly below Resp, your conversation is broadcasted to all members of the talkgroup.
  • Page 38: Making A Private Call (Trunking Only)

    68012006034-ER Chapter 5: General Radio Operation • For ASTRO Conventional system, the LED lights up solid red. The display shows the talkgroup alias or ID. • For Trunking system, the LED lights up solid red. 4 Speak clearly into the microphone. 5 Release the PTT button to listen.
  • Page 39: Switching Between Repeater Or Direct Operation Button

    68012006034-ER Chapter 5: General Radio Operation or to Phon, and press the Menu Select button directly below Phon. • The display shows the last transmitted or received ID. 2 To select the required ID, perform one of the following actions: Press the Menu Select button directly below Cnts to scroll through and select the required •...
  • Page 40: Monitoring Conventional Mode

    68012006034-ER Chapter 5: General Radio Operation • Monitoring a Channel in Trunked Modes: a. Lift the microphone off the hook. b. Press the PTT button. c. If you hear two, short, high-pitched tones, or if you hear no tone and the indicator lights steadily, then proceed with your message.
  • Page 41: Chapter 6: Advanced Features

    68012006034-ER Advanced Features Chapter 6 Advanced Features This chapter explains the operations of the features available in your radio. ViQi ViQi is a virtual assistant that helps you manage your radio and perform information lookups using voice commands. This feature is purpose-built for public safety and is active when you press the assigned ViQi button on the radio, Remote Speaker Microphone (RSM), or compatible mobile microphone.
  • Page 42: Using Viqi Virtual Partner

    68012006034-ER Chapter 6: Advanced Features Query Examples "Can I get my exact location?" "Am I still at the <Location>?" NOTE: ViQi will ask for more information to complete the query. Target Location "Where is <Unit Name>? "Tell me where <Unit Name> is. NOTE: ViQi will ask for more information to complete the query.
  • Page 43: Selective Call (Astro Conventional Only)

    68012006034-ER Chapter 6: Advanced Features 6.2.2 Selective Call (ASTRO Conventional Only) A Selective Call is a call from an individual radio to another individual radio with privacy. 6.2.2.1 Receiving a Selective Call When and where to use:When you receive a Selective Call, you hear two alert tones and the yellow LED illuminates while the green LED blinks.
  • Page 44: Talkgroup Call Feature (Conventional Only)

    68012006034-ER Chapter 6: Advanced Features 6.2.3 Talkgroup Call Feature (Conventional Only) This feature allows you to define a group of conventional system users so that they can share the use of a conventional channel. NOTE: Encryption keys are associated to talkgroups. When talkgroups are associated, encryption keys are changed by changing the active talkgroup.
  • Page 45: Making A Priority Dispatch Calls

    68012006034-ER Chapter 6: Advanced Features If no acknowledgment is received, you hear a low-pitched tone and the display shows No acknowledge. 4 Press to return to the Home screen. No traffic is heard on trunked channels while Status Call is selected. If the radio detects no or the PTT button.
  • Page 46: Requesting A Reprogram (Trunking Only)

    68012006034-ER Chapter 6: Advanced Features Select Disabled Select-disabled radios cannot change channels while dynamically regrouped. The radio is forced to remain on the dynamic-regrouping channel. The Scan and Private Call features are unavailable when your radio is Select Disabled. 6.2.6.2 Requesting a Reprogram (Trunking Only) This feature allows you to notify the dispatcher when you want a new dynamic regrouping assignment.
  • Page 47: Saving A Channel In The Dynamic Zone From List Selection

    68012006034-ER Chapter 6: Advanced Features If you have selected Exit without selecting any Dynamic Zone Channels list, the display returns to Home screen without any changes. 6.2.7.2 Saving a Channel in the Dynamic Zone from List Selection Prerequisites:To perform this operation, the radio must be in the Dynamic Zone. Procedure: or to ZnPr.
  • Page 48: Setting The Id Of The Initial Control Head

    68012006034-ER Chapter 6: Advanced Features • 6878215A01 APX Mobile Radios and Control Heads Installation Manual • MN003109A01 APX 8500 Mobile Radio Installation Manual • MN005720A01 Enhanced Single Band Mobile Radio Installation Manual The Multiple Control Head (MCH) feature consists of two modes that can be programmed through Customer Programming Software (CPS): •...
  • Page 49: One Active Mode

    68012006034-ER Chapter 6: Advanced Features When and where to use:The intercom feature allows one control head user to talk to another control head user in a MCH configuration. At any given time, when a control head being operated has priority for the intercom call, all other control heads are blocked until the active control head releases PTT button.
  • Page 50: Remote Monitor

    68012006034-ER Chapter 6: Advanced Features You can change the command between the two control heads by pressing the Menu Select button directly below F/R, or the Menu Select button on the keypad microphone. Remote Monitor This feature allows the system administrator to turn on the microphone of a targeted radio with a subscriber alias or ID.
  • Page 51: Adding A New Contact Entry

    68012006034-ER Chapter 6: Advanced Features 3 Press the Menu Select button directly below Optn and proceed to the next step. to Call and press the Menu Select button directly below Sel. to select the call type. 6 Hold the microphone vertically 1 to 2 inches (2.5 to 5.0 cm) from your mouth. 7 Press the PTT button to initiate the call.
  • Page 52: Deleting A Contact Entry

    68012006034-ER Chapter 6: Advanced Features 6.5.3 Deleting a Contact Entry Procedure: or to Cnts and press the Menu Select button directly below Cnts . The entries are alphabetically sorted. to the entry you want to delete and press the Menu Select button directly below Optn . to Del and press the Menu Select button directly below Sel .
  • Page 53: Editing As Entry Id

    68012006034-ER Chapter 6: Advanced Features to the entry alias you wish to change and press the Menu Select button directly below Edit . A blinking cursor appears. 5 Use the keypad to edit the name and press the Menu Select button directly below OK once you have finished.
  • Page 54: Scan Lists

    68012006034-ER Chapter 6: Advanced Features Scan Lists Scan lists are created and assigned to individual channels/groups. Your radio scans for voice activity by cycling through the channel/group sequence specified in the scan list for the current channel/group. Your radio supports different types of Scan Lists: •...
  • Page 55: Changing The Scan List Status

    68012006034-ER Chapter 6: Advanced Features • to the desired channel. • Use the keypad to enter the desired channel name. • Use the MFK to select the channel. 5 Press to exit scan list programming and return to the Home screen. Viewing and Changing the Priority Status on page 55 for more information on how to add and/or change the priority of the currently displayed channel in the scan list.
  • Page 56: Scan

    68012006034-ER Chapter 6: Advanced Features Scan This feature allows you to monitor traffic on different channels by scanning a preprogrammed list of channels. Scanning is halted if you initiate a call and resumes when the call has ended. 6.7.1 Turning Scan On or Off Procedure: Perform one of the following actions: •...
  • Page 57: Restoring A Nuisance Channel

    68012006034-ER Chapter 6: Advanced Features 6.7.4 Restoring a Nuisance Channel Procedure: To restore the deleted nuisance channel, perform one of the following actions: • Stop and restart a scan. • Mode change to another channel and back to the original channel. •...
  • Page 58: Call Alert Paging

    68012006034-ER Chapter 6: Advanced Features Call Alert Paging This feature allows your radio to work like a pager. If other users are away from their radios or if they are unable to hear their radios, you can send them an individual call alert page. You can also verify if a radio is active on the system. Depending on how your radio is programmed, if there is no answer after the maximum ring time or when you press the PTT button for an Enhanced Private Call, the radio automatically sends a call alert page.
  • Page 59: Recent Calls

    68012006034-ER Chapter 6: Advanced Features to select the required ID. d. Press the PTT button to send the page. The display shows Paging...<Number> or <Alias>. If the call alert page is sent successfully, you hear four high-pitched tones and the display shows Ack received.
  • Page 60: Instant Recall

    68012006034-ER Chapter 6: Advanced Features or to Rcnt. b. Press the Menu Select button directly below Rcnt to access the Recent Calls feature screen. to scroll through the list. d. To view the recent Emergency calls, press the Menu Select button directly below Emer. Press the Menu Select button directly below All to view back all recent calls.
  • Page 61: In-Call User Alert

    68012006034-ER Chapter 6: Advanced Features f. To return to the Home screen, press the Menu Select button directly below Exit. • Saving the recorded calls using the preprogrammed Record Playback button: a. Long press the preprogrammed Record Playback button to save the recorded calls. Radio displays Audio Saved momentarily.
  • Page 62: Quick Call Ii

    68012006034-ER Chapter 6: Advanced Features 2 To turn off the feature, press the Menu Select button directly below VMut or the VMut preprogrammed button again. Pressing the Menu Select button directly below VMut or the VMut programmed button momentarily toggles between Voice mute on and Voice mute off. Voice mute on shown on the display indicates that the radio is muted to all conventional dispatch calls and affiliated trunking group calls.
  • Page 63: Special Considerations For Emergency Operation

    68012006034-ER Chapter 6: Advanced Features Your radio is also programmed to operate in one of the following conditions: Tactical/Non-Revert The radio sends an emergency alarm and/or makes an emergency call on the current channel. Non-Tactical/Revert for Conventional System The radio reverts to the preprogrammed emergency channel to send an alarm and/or make an emergency call.
  • Page 64: Sending An Emergency Alarm

    68012006034-ER Chapter 6: Advanced Features Procedure: 1 Perform one of the following actions: If… Then… If the emergency mode is press and hold the Accy No-Dot Button (Purple) button initiated by other radios, and press the Emergency button. If the emergency mode is Perform one of the following actions: initiated by the Supervisor, Press and hold the Emergency button.
  • Page 65: Sending An Emergency Call With Hot Mic (Trunking Only)

    68012006034-ER Chapter 6: Advanced Features 3 Press and hold the PTT button. Speak clearly into the microphone. 4 Release the PTT button to end the transmission and wait for a response from the dispatcher. 5 To exit Emergency Call, press and hold the preprogrammed Emergency button for about a second.
  • Page 66: Sending An Emergency Alarm And Call With Hot Mic

    68012006034-ER Chapter 6: Advanced Features 4 Release the PTT button to end the transmission and wait for a response from the dispatcher. 5 To exit Emergency Call, press and hold the preprogrammed Emergency button for about a second. Turning off the radio also cancels the emergency state. 6.12.9 Sending An Emergency Alarm and Call with Hot Mic This feature allows you to send an Emergency Alarm and Call with hot mic to a group of radios.
  • Page 67: Impact Detection

    68012006034-ER Chapter 6: Advanced Features If silent emergency alarm is used with emergency call, pressing the PTT button exits the silent mode and initiates the emergency call. 6.12.11 Impact Detection This feature activates Emergency mode when the radio detects a force of gravity impact or orientation changes on the vehicle in the event of a vehicle crash or rollover.
  • Page 68: Exiting Impact Detected Condition

    68012006034-ER Chapter 6: Advanced Features 6.12.11.2 Exiting Impact Detected Condition When and where to use:If there is a false alarm or you do not want to enter into Emergency mode, you can exit the Impact Detected condition and prevent emergency from going off. Returning to normal operations resets the Impact Detected condition.
  • Page 69: User Login Feature

    68012006034-ER Chapter 6: Advanced Features b. Press the Menu Select button directly below Chan . The display shows the current zone is not blinking, and the channel is blinking. or rotate the MFK to the desired channel. d. Press to confirm the displayed zone and channel. One of the following scenarios occur: •...
  • Page 70: Logging In As A User

    68012006034-ER Chapter 6: Advanced Features 6.14.2.1 Logging In as a User Procedure: or to User and press the Menu Select button directly below User. The display shows the User Login screen. 2 Perform one of the following actions: to [ID Entry] and press the Menu Select button directly below Edit to enter ID. •...
  • Page 71: Text Messaging Service

    68012006034-ER Chapter 6: Advanced Features When and where to use: NOTE: Private data refers to all messages in the text messaging Inbox, Draft, and Sent folder. The next user is able to access the Inbox, Draft, and Sent messages if private data is not deleted.
  • Page 72: Composing And Sending A New Text Message

    68012006034-ER Chapter 6: Advanced Features 6.15.2 Composing and Sending a New Text Message Procedure: or to TMS. 2 Press the Menu Select button directly below TMS to access the TMS feature screen. 3 Perform one of the following actions: • to Compose and press the Menu Select button directly below Sel.
  • Page 73: Priority Status And Request Reply Of A New Text Message

    68012006034-ER Chapter 6: Advanced Features • To access this feature using the preprogrammed button, press the preprogrammed Quick Text button and proceed to step • To access this feature using the menu, proceed to the next step. or to TMS and press the Menu Select button directly below TMS to access the TMS feature screen.
  • Page 74: Removing A Priority Status From A Text Message

    68012006034-ER Chapter 6: Advanced Features When and where to use: NOTE: The Priority Status icon on a message does not imply that the message gets higher priority over the other messages when it is being transmitted. It is just an indication that can be embedded into a message to let the receiver know that the message is important.
  • Page 75: Appending A Priority Status And A Reply Request To A Text Message

    68012006034-ER Chapter 6: Advanced Features 6.15.4.5 Appending a Priority Status and a Reply Request to a Text Message Prerequisites:Ensure that an outgoing message is composed to allow you to perform this procedure. Composing and Sending a New Text Message on page 72 for more information.
  • Page 76: Viewing A Text Message From The Inbox

    68012006034-ER Chapter 6: Advanced Features 6.15.4.8 Viewing a Text Message from the Inbox When and where to use:The Inbox can hold up to 30 messages. NOTE: to read the message if the content fills more than one screen. Procedure: 1 Perform one of the following actions: •...
  • Page 77: Accessing The Drafts Folder

    68012006034-ER Chapter 6: Advanced Features • A blinking cursor appears on the Compose screen. • The predefined message appears on the Compose screen, with a blinking cursor at the end of it. 4 Use the keypad to type or edit your message. 5 Press the Menu Select button directly below Optn once you have completed the message.
  • Page 78: Deleting Text Messages

    68012006034-ER Chapter 6: Advanced Features • Press the preprogrammed Data Feature button or the TMS Feature button to access the TMS feature screen. • to TMS and press the Menu Select button directly below TMS to access the TMS feature screen. to Sent and press the Menu Select button below Sent.
  • Page 79: Secure Operations

    68012006034-ER Chapter 6: Advanced Features • Press the Menu Select button directly below Curr to delete the current message. • Press the Menu Select button directly below All to delete all the messages. 6.16 Secure Operations Secure radio operation provides the highest commercially available level of voice security on both trunked and conventional channels.
  • Page 80: Multikey Feature

    68012006034-ER Chapter 6: Advanced Features Procedure: 1 Attach the KVL to your radio. The display shows Keyloading and all other radio functions, except for power down, backlight, and volume, are locked out. NOTE: If the Multi-system Over-the-Air Rekeying feature is in use, the ASTRO profile name is displayed below Keyloading.
  • Page 81: Selecting Keysets

    68012006034-ER Chapter 6: Advanced Features • Press , the PTT button, or the Menu Select button directly below Exit. NOTE: When the selected key is erased, you hear a momentary keyfail tone and the display shows Key fail. When the selected key is not allowed, you hear a momentary illegal key tone and the display shows Illegal key.
  • Page 82: Requesting An Over-The-Air Rekey

    6.16.3.7 MDC OTAR (Conventional Only) This feature allows you to view or define the Motorola Data Communications (MDC) Over-the- Air Rekeying (OTAR) features. It is applied only when operating in secure encrypted mode. In addition to Rekey Requests, OTAR transmissions include Delayed Acknowledgments, and Power-up Acknowledgments.
  • Page 83: Radio Lock

    68012006034-ER Chapter 6: Advanced Features Companding Reduces the channel noise, such as OTA transmission that is predominantly present in UHF2 and 900 MHz channel with the following features. Compressor Reduces the background noise flow and the speech signal at transmitting radio. Expander Expands the speech while the noise flow remains the same at receiving radio.
  • Page 84: Changing The Radio Lock Password

    68012006034-ER Chapter 6: Advanced Features 6.17.2 Changing the Radio Lock Password Procedure: or to Pswd. 2 Press the Menu Select button directly below Pswd. The display shows Change Password screen. to Unlock Pswd. 4 Press the Menu Select button directly below Sel . 5 Enter the old password.
  • Page 85: Radio Stun And Kill

    68012006034-ER Chapter 6: Advanced Features If the two passwords do not match, repeat step 5 through step NOTE: If you enter three incorrect passwords, the radio exits the password feature. You cannot access this feature again until you turn the radio off and on. 6.18 Radio Stun and Kill This chapter explains the radio stun and kill features.
  • Page 86: Using Remote Kill To Kill Another Radio

    68012006034-ER Chapter 6: Advanced Features The killed radio can only be recovered with a special device. Consult an authorized and qualified technician for details. 6.18.2.1 Using Remote Kill to Kill Another Radio When and where to use:Remote Kill allows you to render another radio inoperable by sending an over-the-air command using the menu on your radio.
  • Page 87: Radio Inhibit

    68012006034-ER Chapter 6: Advanced Features 6.19 Radio Inhibit This feature allows the system administrator to put a radio into a nonfunctional state when the radio is missing or in an unknown hand. The radio stays in this state regardless of its power changes. NOTE: If the radio has Intersystem roaming capability, the system administrator is able to put the radio into a nonfunctional state when the missing radio roams to another system.
  • Page 88: Location Format

    68012006034-ER Chapter 6: Advanced Features Programmable Waypoints Preprogrammed Waypoints • Home • Emergency • Last Known Location • Destination Only the alias is editable, not the coordinates. The Home and Destination coordinates are ed- itable. Coordinates can be deleted one at a time, or all Coordinates cannot be deleted.
  • Page 89: Turning Off Gps

    68012006034-ER Chapter 6: Advanced Features The location coordinates are updated automatically every 5 seconds while the location signal is present. 6 To return to the Home screen, press , the PTT button, or the Menu Select button directly below Exit. 6.20.5 Turning Off GPS Procedure:...
  • Page 90: Viewing A Saved Waypoint

    68012006034-ER Chapter 6: Advanced Features 5 To return to the Home screen, press , the PTT button, the preprogrammed GPS button, or the Menu Select button directly below Exit. 6.20.7 Viewing a Saved Waypoint Prerequisites:Ensure your radio shows the current location on the screen. Procedure: 1 Press the Menu Select button directly below Optn.
  • Page 91: Editing The Coordinates Of A Waypoint

    68012006034-ER Chapter 6: Advanced Features 6.20.9 Editing the Coordinates of a Waypoint When and where to use: NOTE: You can only edit preprogrammed coordinates of Home and Destination. Ensure that your radio shows the current location on the screen. Procedure: 1 Press the Menu Select button directly below Optn.
  • Page 92: Deleting All Saved Waypoints

    68012006034-ER Chapter 6: Advanced Features Procedure: 1 Press the Menu Select button directly below Optn. to Waypoints and press the Menu Select button directly below Sel . The display shows a list of waypoints. 3 Perform one of the following actions: •...
  • Page 93: Location Feature In Emergency Mode

    68012006034-ER Chapter 6: Advanced Features to the required waypoint and press the Menu Select button directly below Sel . The display shows the distance and bearing from the current to the selected coordinates. 6.20.13 Location Feature in Emergency Mode When the Emergency feature is activated, the radio exits the Location menu and returns to the Home screen.
  • Page 94: Entering The Geofence Area

    68012006034-ER Chapter 6: Advanced Features display shows the new selected Dynamic Regrouped talkgroup with green intelligent light for your attention. Voice Announcement is also available to support this feature. Any new text messages received at Geofence is displayed immediately on the radio display. NOTE: If the radio is set up in DVRS, only mobile radio is supported for this feature.
  • Page 95: Entering Mission Critical Geofence

    68012006034-ER Chapter 6: Advanced Features 6.21.3 Entering Mission Critical Geofence When and where to use: When the radio enters the predefined Geofence area, the radio displays <Geofence Alias> with the intelligent backlight and you hear a Voice Announcement. Zone and channel alias of the Geofence area is displayed.
  • Page 96: Out-Of-Range Radio

    Your radio can connect through a fixed Wi-Fi access point in buildings or in-vehicle Broadband modem such as the following modems: • Motorola Solutions VML750 • Sierra Wireless MP70 • Sierra Wireless GX450...
  • Page 97: Locking And Unlocking A Site

    68012006034-ER Chapter 6: Advanced Features The display shows the currently selected zone/channel and the Site Trunking message. 6.22.6 Locking and Unlocking a Site When and where to use:This feature allows your radio to lock onto a specific site and not roam among wide-area talkgroup sites.
  • Page 98: Initiating An Announcement

    68012006034-ER Chapter 6: Advanced Features Ruthless Preemption When a ruthless preemption announcement call is initiated, the requesting radio begins transmitting immediately. All associated talkgroup calls taking place on other channels are immediately halted, and the radios are steered to the announcement call. Transmitting radios continue to transmit until the PTT button is released, and unmute for the announcement call.
  • Page 99: Using Emergency Power Up

    Bluetooth Wireless Technology ® This feature allows your radio to extend its functionality by connecting to external proprietary Motorola Solutions accessories. By default, Bluetooth wireless technology is activated on your radio. Your radio supports the following Bluetooth enabled devices or profiles: •...
  • Page 100: Turning Off The Bluetooth

    68012006034-ER Chapter 6: Advanced Features For Bluetooth devices, the display shows Status On, and appears. For Wireless-Pair devices, the display shows Status On, and appears. If Bluetooth fails to launch, the display shows Bluetooth on failed. c. To return to the Home screen, press the Menu Select button directly below Exit. •...
  • Page 101: Standard Pairing Feature

    68012006034-ER Chapter 6: Advanced Features 6.24.3 Standard Pairing Feature The Bluetooth Standard Pairing feature enables your Bluetooth enabled radio to search for other Bluetooth enabled and discoverable devices. NOTE: Bluetooth tones, Bluetooth menu, and preprogrammed buttons must be preprogrammed by a qualified radio technician. Check with your dealer or system administrator for more information.
  • Page 102: Receiving Pairing Request From Other Devices

    68012006034-ER Chapter 6: Advanced Features Do one of the following to turn on Bluetooth visibility. You can use the options interchangeably depending on your preference and the programmed functions. Procedure: • Turn on Bluetooth visibility using the radio menu BT: or to BT.
  • Page 103: Pin Authentication In Pairing

    68012006034-ER Chapter 6: Advanced Features or to BT. Press the Menu Select button directly below BT to access the Bluetooth feature screen. to Visibility and press the Menu Select button directly below Off. The display shows Visibility Off. When the timer expires, the status changes to Visibility off failed. Repeat this step to turn off Bluetooth visibility.
  • Page 104: Pairing The Authentication Pin With The Generated Numeric Pin

    68012006034-ER Chapter 6: Advanced Features If successful, the display shows Pairing in progress.., <Device Friendly Name> paired followed by <Device Friendly Name>connected. If unsuccessful, one of the following scenarios will occur: The display shows <Device Friendly Name> pair failed (if the pairing timer •...
  • Page 105: Turning On The Bluetooth Audio

    68012006034-ER Chapter 6: Advanced Features 6.24.5 Turning On the Bluetooth Audio When and where to use:Do one of the following to turn on the Bluetooth audio. You can use the options interchangeably depending on your preference and the programmed functions. Procedure: •...
  • Page 106: Adjusting The Volume Of The Radio From Bluetooth Audio Device

    68012006034-ER Chapter 6: Advanced Features a. To route the audio routing from the headset to the radio, press the preprogrammed Bluetooth Audio Reroute button. You hear a short, medium-pitched tone. The display shows Radio audio. For Bluetooth devices, the display shows BT. For Wireless-Pair devices, the display shows WP.
  • Page 107: Clearing All Bluetooth Devices Information

    68012006034-ER Chapter 6: Advanced Features 6 Press the Menu Select button directly below Yes or No to proceed delete the device or to exit this function and return to previous screen. If the device is deleted successfully, the display shows <Device Friendly Name> cleared to indicate clearing is successful.
  • Page 108: Editing The Bluetooth Friendly Name

    68012006034-ER Chapter 6: Advanced Features 6.24.10 Editing the Bluetooth Friendly Name Prerequisites:Your radio must be preprogrammed to allow you to use this feature. Procedure: or to BT. Press the Menu Select button directly below BT to access the Bluetooth feature screen.
  • Page 109: Voice Announcement

    68012006034-ER Chapter 6: Advanced Features upgrade, the process only takes a few seconds. In the case of firmware upgrade, the installation takes several minutes. NOTE: The radio cannot be used while the upgrade is being installed. Therefore, make sure to only accept the upgrade at a convenient time when immediate radio use is not required. •...
  • Page 110: Sending Ssa Notification To Single Site By Manual Entry

    68012006034-ER Chapter 6: Advanced Features to the desired Site Alias. Press the Menu Select button directly below Sel. The display shows the Select Alert screen. to select the desired Alert Alias and press the Menu Select button directly below Send. The display shows Sending req.
  • Page 111: Sending Ssa Notification To All Sites

    68012006034-ER Chapter 6: Advanced Features 6.27.3 Sending SSA Notification to All Sites Procedure: or to SSA. 2 Press the Menu Select button directly below SSA. The display shows the Site Alert screen. to Start Alert and press the Menu Select button directly below Sel. The display shows the Select Site screen.
  • Page 112: Stopping Ssa Notification Of A Single Site

    68012006034-ER Chapter 6: Advanced Features 6 To return to the Home screen, press the Menu Select button directly below Exit. If you are at the site designated to receive this alert, you can hear an alert tone repeated periodically. The display shows the <Alert Alias> with the intelligent lighting at Home screen. 6.27.5 Stopping SSA Notification of a Single Site Procedure:...
  • Page 113: Stopping Ssa Notification Of All Sites

    68012006034-ER Chapter 6: Advanced Features • If the request is successful, the display shows Req successful. • If the single site is not available, the display shows <Site ID> not available. • If the single site does not exist, the display shows <Site ID> does not exist. 6 To return to the Home screen, press the Menu Select button directly below Exit.
  • Page 114: Channel Change On Off-Hook

    68012006034-ER Chapter 6: Advanced Features 5 To return to the Home screen, press the Menu Select button directly below Exit. The SSA Alert for all available sites stop. 6.28 Channel Change on Off-Hook This feature determines the mode of the radio based on the Hub on/off-hook state of all the control heads.
  • Page 115: Wi-Fi

    68012006034-ER Chapter 6: Advanced Features 6.30 Wi-Fi You can connect your radio to a Wi-Fi network for wireless programming. Your service administrator preprograms the Wi-Fi Service Set Identifier (SSID) or network name that your radio can connect to. 6.30.1 Turning Wi-Fi On or Off Procedure: •...
  • Page 116: Checking The Wi-Fi Configuration And Status Of The Radio

    68012006034-ER Chapter 6: Advanced Features 6.30.3 Checking the Wi-Fi Configuration and Status of the Radio Procedure: 1 Perform one of the following actions: • Long press the preprogrammed Wi-Fi button. • or to WiFi and press the Menu Select button directly below WiFi. The display shows the current status of the Wi-Fi as described next.
  • Page 117: Selecting A Radio Profile

    68012006034-ER Chapter 6: Advanced Features or to Pwr. b. Press the Menu Select button directly below Pwr. The display shows Low power and the low power icon or the display shows High power and the high power icon. 6.31.2 Selecting a Radio Profile When and where to use:This feature allows you to manually switch the visual and audio settings of the radio.
  • Page 118: Turning The Keypad Tones On Or Off

    68012006034-ER Chapter 6: Advanced Features 6.31.4 Turning the Keypad Tones On or Off When and where to use:You can enable and disable keypad tones as needed. Procedure: • Turning the tones on or off using the preprogrammed Keypad Mute button: a.
  • Page 119: Conventional Squelch Operation

    68012006034-ER Chapter 6: Advanced Features 2 Release the PTT button. The timer resets. 3 To re-transmit, press the PTT button. The time-out timer restarts and the LED lights up solid red. 6.31.7 Conventional Squelch Operation This feature filters out unwanted calls with low signal strength or channels that have a higher than normal background noise.
  • Page 120: Using The Pl Defeat Feature

    68012006034-ER Chapter 6: Advanced Features 6.31.8 Using the PL Defeat Feature This feature allows you to override any coded squelch that preprogrammed to a channel. The radio also unmutes to any digital activity on a digital channel. When this feature is active, the Carrier Squelch status indicator is displayed.
  • Page 121: Transmit Inhibit

    68012006034-ER Chapter 6: Advanced Features 6.31.11 Transmit Inhibit This feature allows you to stops all transmission including voice and data. The radio can receive messages but not able to reply the acknowledgment request of the received message. This feature is available for APCO 25 trunking, Type II trunking and Conventional operations for all APX radios.
  • Page 122: External Alarms (Horn And Lights)

    68012006034-ER Chapter 6: Advanced Features 6.31.12 External Alarms (Horn and Lights) Your service administrator may configure the control heads with external alarms (horn and lights) that are activated when a Call Alert Page, Private Call, or Phone Call is received. The radio always powers up with the horn and lights feature enabled.
  • Page 123: Receiving A Call While Alarms Are Turned On

    68012006034-ER Chapter 6: Advanced Features 6.31.12.4 Receiving a Call While Alarms are Turned On When and where to use:When you receive a call with the Alarms turned on, the vehicle horn sounds for 4 seconds, and/or the car lights turn on for 60 seconds. The display shows the type of call received (Call, Page, or Phone) and the selected mode name.
  • Page 124: Initiating The Fpp Feature

    The radio displays Radio Param and Zn/Ch Param. 6.31.13.2 Changing Password (Optional) Radios from the Motorola Solutions factory are provisioned with a blank password. Prerequisites:To access the protected channels, press OK when the Enter Old password: prompt to change the password Procedure: 1 Press EDIT.
  • Page 125: Selecting A Channel Within A Zone

    68012006034-ER Chapter 6: Advanced Features 6.31.13.3 Selecting a Channel within a Zone Procedure: 1 Press or to FPP and press the Menu Select button directly below FPP. The radio displays the Enter password screen 2 Enter the password and press the Menu Select button directly below Ok. 3 Press to select Zn/Ch.
  • Page 126: Table 9: Parameter Editing Keys

    68012006034-ER Chapter 6: Advanced Features Name, Zone Name, Top Chan Name and Top Zone Name the or buttons increment or decrement the selected value by scrolling through the valid entries. Procedure: 1 Perform the following actions based on the type of the parameter: Table 9: Parameter Editing Keys Parameter Editing Keys...
  • Page 127 68012006034-ER Chapter 6: Advanced Features Parameter Editing Keys Value Scan List None/Scan List 1, 2, 3,... Zone Name Use keypad to enter numbers and alphabet characters. For more informa- tion, see Keypad on page Top Chan Name Top Zone Name Chan Name NOTE: To edit Tx PL, Rx PL, Tx DPL, and Rx DPL, the PL Setting must be set to Disabled.
  • Page 128: Chapter 7: Accessories

    68012006034-ER Chapter 7: Accessories Chapter 7 Accessories Not all accessories are FCC certified to operate with all radio models and/or band splits. See the radio price pages for a list of FCC certified accessories or contact your sales representative for accessory compatibility.
  • Page 129: Legal And Compliance Statements

    Furthermore, Motorola Solutions reserves the right to change any products to improve readability, function, or design. Motorola Solutions does not assume any liability arising out of the applications or use of any product or circuit described herein; nor does it cover any license under its patent rights, nor the rights of others.
  • Page 130: Important Safety Information

    For a list of Motorola Solutions-approved antennas and other accessories, visit: http://www.motorolasolutions.com Any modification to this device, not expressly authorized by Motorola Solutions, may void your authority to operate this device. Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and maximum (or lesser) gain approved for the transmitter by Industry Canada.
  • Page 131: Fcc Licensing Information

    Applying for Canadian License The operation of your Motorola Solutions radio is subject to the Radio communications Act and must comply with rules and regulations of the Federal Government's department of Industry Canada. Industry Canada requires that all operators using Private Land Mobile frequencies obtain a radio license before operating their equipment.
  • Page 132 68012006034-ER Legal and Compliance Statements 4 Mail your completed application along with your cheque or money order to the closest Industry Canada District office.
  • Page 133: Maritime Radio Use In The Vhf Frequency Range

    68012006034-ER Maritime Radio Use in the VHF Frequency Range Maritime Radio Use in the VHF Frequency Range Special Channel Assignments Emergency Channel If you are in imminent and grave danger at sea and require emergency assistance, use VHF Channel 16 to send a distress call to nearby vessels and the United States Coast Guard. Transmit the following information, in this order: 1 “MAYDAY, MAYDAY, MAYDAY.”...
  • Page 134: Table 10: Vhf Marine Channel List

    68012006034-ER Maritime Radio Use in the VHF Frequency Range in the semiduplex mode on the two frequency channels specified in the table below. NOTE: Simplex channels 3, 21, 23, 61, 64, 81, 82, and 83 cannot be lawfully used by the general public in US waters.
  • Page 135 68012006034-ER Maritime Radio Use in the VHF Frequency Range 156.075 160.675 156.125 160.725 156.175 160.775 156.225 160.825 156.275 160.875 156.325 160.925 67** 156.375 156.375 156.425 156.425 156.475 156.475 156.575 156.575 156.625 – 156.675 156.675 156.725 156.725 77** 156.875 – 156.925 161.525 156.975 161.575...
  • Page 136: Declaration Of Compliance For The Use Of Distress And Safety Frequencies

    68012006034-ER Maritime Radio Use in the VHF Frequency Range Declaration of Compliance for the Use of Distress and Safety Frequencies The radio equipment does not employ a modulation other than the internationally adopted modulation for maritime use when it operates on the distress and safety frequencies specified in RSS-182 Section 7.3.
  • Page 137: Limited Warranty

    Product Accessories One (1) Year MOTOROLA SOLUTIONS, at its option, will at no charge either repair the Product (with new or reconditioned parts), replace it (with a new or reconditioned Product), or refund the purchase price of the Product during the warranty period provided it is returned in accordance with the terms of this warranty.
  • Page 138: Ii. General Provisions

    68012006034-ER Limited Warranty made only at the designated MOTOROLA SOLUTIONS repair depot. Local services are not included. MOTOROLA SOLUTIONS will pay for outbound shipping via MOTOROLA SOLUTIONS'S normal shipping methods. II. GENERAL PROVISIONS: This warranty sets forth the full extent of MOTOROLA SOLUTIONS'S responsibilities regarding the Product.
  • Page 139: Vi. Patent And Software Provisions

    1 that MOTOROLA SOLUTIONS will be notified promptly in writing by such purchaser of any notice of such claim,...
  • Page 140: Viii. For Australia Only

    You are also entitled to be compensated for any other reasonably foreseeable loss or damage from a failure in the goods or service. If you have any queries, please call Motorola Solutions Australia at 1800 457 439. You may also visit our website: https://www.motorolasolutions.com/en_xa/support.html for current warranty terms.
  • Page 141: Glossary

    ASTRO 25 Motorola Solutions standard for wireless digital trunked communications. ASTRO conventional Motorola Solutions standard for wireless analog or digital conventional communications. Autoscan A feature that allows the radio to automatically scan the members of a scan list. AUX CH Auxiliary Control Head.
  • Page 142 68012006034-ER Glossary CHIB Control Head Interface Board. Control Channel In a trunking system, one of the channels that is used to provide a continuous, two-way/data- communications path between the central controller and all radios on the system. Conventional Typically refers to radio-to-radio communications, sometimes through a repeater. Frequencies are shared with other users without the aid of a central controller to assign communications channels.
  • Page 143 An electronic device that lights up when current is passed through it. MCHB Millennium Control Head Board. Motorola Solutions Digital Communications. Menu Entry A software-activated feature shown at the bottom of the display. Selection of a feature is controlled by the programming of the buttons on the side of the radio.
  • Page 144 68012006034-ER Glossary The user will talk on a preprogrammed emergency channel. The emergency alarm is sent out on this same channel. Over-The-Air Rekeying Allows the dispatcher to remotely reprogram the encryption keys in the radio. Page A one-way alert with audio and/or display messages. Personality A set of unique features specific to a radio.
  • Page 145 68012006034-ER Glossary Muting of audio circuits when received signal levels fall below a pre-determined value. With carrier squelch, all channel activity that exceeds the preset squelch level can be heard. Synchronous Serial Interface (SSI) DSP interface to peripherals that consists of a clock signal line, a frame synchronization signal line, and a data line.
  • Page 146 68012006034-ER Glossary Zone A grouping of channels.

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