Sepura SCC User Manual
Sepura SCC User Manual

Sepura SCC User Manual

Colour console

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User Guide
SCC colour console

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Summary of Contents for Sepura SCC

  • Page 1 User Guide SCC colour console...
  • Page 2 © Sepura plc. 2002–2016 All rights reserved. This document is intended for the use of Sepura plc’s customers and/or other parties only for the purposes of the agreement or arrangement under which this document is submitted, and no part of it may be reproduced or transmitted in any form or means without the prior written permission of Sepura plc.
  • Page 3: Table Of Contents

    CONTENTS General information Your console at a glance Connection with the SRG3900 mobile radio Console and Application Interface Unit Mobile radio audio control Getting Started Power on Power off Locking and unlocking the keypad Home screen Menu SmartMenus Help Emergency operation Making an Alarm call Receiving an Alarm call Clearing an Alarm call...
  • Page 4 Delete all contacts Calls Call types Call History Group calls Individual calls Broadcast calls Missed events Quick Calls Smart Calls Modifying your call setup Text entry Cursor movement Character sets Messages Message Inbox Opening messages View message details SCC – 03/2016...
  • Page 5 Reply to a message Saved messages Paging alerts Networks Authentication Change Network Transmit Inhibit Fallback Mode Operating Modes DMO Mode DMO gateway operation Repeater Mode Features Privacy Screen User profiles Lone Worker GPS position GPS direction GPS reporting options Security End-to-End Encryption Asset management Labelling...
  • Page 6 SCC – 03/2016...
  • Page 7: General Information

    Contact your service provider or organisation for information about the customisation of your SCC mobile radio. The SCC is attached to the SRG3900 mobile radio and either installed within a vehicle or desk mounted. It is typically used with a handset-based console, or with a fist microphone.
  • Page 8 Sepura products have been tested to meet strict guidelines for personal safety and operational conditions. Do not operate this product in environments that exceed those listed on the product technical data sheet. Waste Electrical and Electronic Equipment disposal information This symbol on the product or its packaging indicates that this product must not be disposed of as household or commercial waste.
  • Page 9: Your Console At A Glance

    Your console at a glance Item Description Alphanumeric keypad with backlight. Use the keypad to enter alphanumeric characters for text editing and dialling. Keys 0–9, # and * are programmable soft keys. Cancel/Home key. Press to cancel a function or a call. Press and hold (2 seconds) to return to the Home screen from any other screen.
  • Page 10 Missed Events key. Press to open the Missed Events menu to review missed calls, Callouts and new messages. Select/Send key. Press to initiate a phone call. SCC – 03/2016...
  • Page 11: Connection With The Srg3900 Mobile Radio

    Connection with the SRG3900 mobile radio Your console works using the SRG3900 mobile radio, with the optional provision of the Applications Interface Unit (AIU). Console and Application Interface Unit The SRG3900 mobile radio supports the connection of up to two consoles, either a Standard Console, Colour Console or a Handset-Based Console (via an Interface and Handsfree box), or an Applications Interface Unit, which is similar to a console but does not have a keypad and display.
  • Page 12 The audio presentation for duplex (telephone) calls depends on the capability of the controlling accessory. With a duplex controlling accessory, duplex calls have a duplex presentation. With a half-duplex accessory, half-duplex (Group) calls are controlled using the PTT button. SCC – 03/2016...
  • Page 13: Getting Started

    Your radio attaches to the last selected talkgroup when it was powered off (if it is 'in service'). Depending on your radio's customisation any of the following may display: the percentage of charge remaining, if a Sepura battery is fitted a Sepura logo a splash screen...
  • Page 14: Locking And Unlocking The Keypad

    If you press any other key while the keypad is locked no action is taken. The Navi-knob remains unlocked when the keypad lock is enabled. A message is displayed to remind you that the keypad is locked. Alternatively, you can: SCC – 03/2016...
  • Page 15 1. Select Menu > Options > Settings > Keypad Lock. 2. Press Lock to lock the keypad. Setting the radio to automatically lock the keypad You can set the radio to automatically lock the keypad after a period of inactivity. 1.
  • Page 16: Home Screen

    Your radio is customised by your service provider or organisation with a number of features that are accessed from the main menu. To open the menu, in the Home screen press Menu or press the Down navigation key. SCC – 03/2016...
  • Page 17 To open a sub-menu or menu option, scroll to the option (highlight it) and press Select. To return to a higher level menu, press Back. To return to the Home screen at any time within the menu hierarchy, press and hold (2 seconds) the Cancel/Home key. Menu options The following icons are used to identify the sub-menus that provide access to further options.
  • Page 18: Smartmenus

    1 to 12 can be selected using the keys on the keypad (press 0 for option 10, the Star (*) key for option 11 and the Hash (#) key for option 12). For options numbered 13 onwards, scroll to the option (highlight it), and press Select. SCC – 03/2016...
  • Page 19: Help

    It may also be used to record any required help text. To access help Use one of the following: Press a dedicated soft key (Sepura default is normally key ‘0’ zero). Press Menu > Help. User Guide...
  • Page 20: Emergency Operation

    Alarm call are inappropriate, your radio can be customised to make a Silent Alarm call (without acoustic or screen alerts). Silent Alarm calls cannot be activated when operating in Lone Worker or Man Down modes. SCC – 03/2016...
  • Page 21: Making An Alarm Call

    When a Silent Alarm call is made, the radio displays the Home screen with the talkgroup associated with call. During the call you may navigate away from the Home screen. Live Microphone feature Your radio may be customised with the Live Microphone feature. This feature allows you to broadcast a call for assistance hands-free for a specified period of time and without having to press the PTT button.
  • Page 22: Receiving An Alarm Call

    TETRA Alarm call condition until the dispatcher clears the call from the system. When the Alarm call is cancelled, your radio returns to the talkgroup that was selected before the call was initiated. SCC – 03/2016...
  • Page 23: Sound

    Sound You can adjust the volume of the speaker and increase the sensitivity of the microphone (see Whisper mode on page 19) so that you can speak more quietly. Your radio also uses sound to alert you to the various operational states.
  • Page 24 In ‘all accessories’ mode the volume level of all connected accessories is controlled simultaneously. The blue bar shows the volume range of the attached accessories, and is moved up and down within the volume bar as the volume level is adjusted. SCC – 03/2016...
  • Page 25: Whisper Mode

    Whisper mode Whisper mode allows you to talk more quietly than normal but still be heard and understood by the person you are calling. It can be useful to switch to Whisper mode when providing confidential information. Note: If you select a User Profile which already increases the sensitivity of the microphone, depending on your radio's customisation Whisper mode may not increase the sensitivity further.
  • Page 26: Audible Tone Alerts

    2. Select Menu > Options > Alerts > Audio Alerts. 3. Press Toggle (or the Select/Send key) to toggle alerts on/off. Note: If your radio is turned off with Audio Alerts disabled they remain disabled when the radio is next switched on. SCC – 03/2016...
  • Page 27: Personalising Your Radio

    Personalising your radio You can personalise your display settings (such as text size, backlight, inverting the screen and change languages) and create a personal phone book containing your own contacts. Adjusting the backlight When a call or message is received, and when you press any key, the backlight lights up the display and keypad.
  • Page 28: Adjusting Text And Icon Size

    Your radio supports the following modes: Normal Mode allows the maximum amount of information available to be displayed in a compact character size. Large Mode displays screen information in a large character size. SCC – 03/2016...
  • Page 29: Setting The Display Language

    Very Large Mode displays the talkgroup number or talkgroup name, as customised, in an extra large size on the Home screen with all other screens in Large mode. To change text mode: 1. Select Menu > Options > Settings > Display Settings > Text Size. 2.
  • Page 30: Menu Style

    Cancel or Cancel/Home key. List style highlight items using the Down and Up navigation keys. to open an item press Select to return to the top level screen press Cancel or the Cancel/Home key. SCC – 03/2016...
  • Page 31: Time And Date

    Compatibility style (card) highlight items using the Left and Right navigation keys to open an item press Select to return to the top level screen press Cancel or Cancel/Home key. Time and Date Your radio can be customised to display the current time and date on the Home screen.
  • Page 32: Talkgroups And Folders

    ‘special’ folders are also programmed into your radio (see Special folders on page 31). Description Header (customisable) Folder level Folder name Talkgroup Information Tip: Select the ‘All’ folder to select a talkgroup from a single list of all talkgroups. SCC – 03/2016...
  • Page 33 Note: Talkgroups in the Smart Call Folder-1 or Smart Call Folder-2 folders can only be accessed when the appropriate Smart Call mode has been selected from the Speech Call Settings screen or by using a soft key. (See Smart Calls on page 49.) User Guide...
  • Page 34: Typical Folder Arrangement

    Typical folder arrangement The following illustration shows how the folders can be used to organise talkgroups: SCC – 03/2016...
  • Page 35: Select A Talkgroup

    Select a talkgroup You can use one of the following methods to select a talkgroup: Press the Mode key (once) to activate the talkgroup selection box. Press a customised context key from the Home Screen to activate the talkgroup selection box. From the Menu navigate to the Groups menu.
  • Page 36: Working With Folders

    If a folder is editable you can use the Delete option to remove a talkgroup from it. The talkgroup can still be selected from the All folder if customised, or by entering the talkgroup number directly in the Talkgroup Selection box. SCC – 03/2016...
  • Page 37: Special Folders

    Create a ‘favourite’ talkgroup To quickly access frequently used talkgroups, you can add them to the Favourites folder. 1. Select Menu > Groups > Folders > Favourites. 2. Press Options, then select Open. 3. Navigate to the New Group option then press Options. 4.
  • Page 38: User Defined Scan Lists

    The scan priority of each talkgroup in a UDSL is shown at the right hand side of the screen as (High), (Normal) or (Low). You can designate a selected talkgroup in each UDSL. You can add and remove talkgroups from a UDSL. SCC – 03/2016...
  • Page 39 View and edit scan list 1. Select Menu > Groups > Scan Lists. 2. Use the Up and Down navigation keys to select one of the UDSLs and press Open. 3. Press Edit. Change default (selected) talkgroup 1. Use the Up and Down navigation keys to select one of the talkgroups in the UDSL.
  • Page 40 1. Select Menu > Groups > Scanning ON/OFF. 2. Press Toggle (or the Select/Send key) to enable/disable scanning: Scanning enabled—UDSL talkgroups are scanned. The Scanning icon is displayed. Scanning disabled—UDSL talkgroups are not scanned. SCC – 03/2016...
  • Page 41: Quick Groups

    Quick Groups You can quickly change to a different talkgroup by pressing a customised Quick Group soft key specified for that talkgroup. To select the Quick Group talkgroup Press the customised Quick Group soft key. Alternatively, view the Quickgroup using the menu then press Select. To view your Quick Groups You can view the talkgroups and folders associated with your assigned Quick Groups.
  • Page 42: Contacts

    To open the Phone book, select Menu > Phone > Contacts. Searching and filtering contacts You can search the entire phone book for contact names and numbers, or filter the contacts within a folder by entering a search string into the Search SCC – 03/2016...
  • Page 43 Bar at the top of any folder (except Menu): When the search is complete: the Search folder lists folders containing at least one entry containing the search string, and the number of entries in those folders. You can open any of the listed folders. all other folders are filtered to show their matching entries above a dotted line.
  • Page 44: View Contact Details

    Left or Right navigation keys to switch dial modes. Press the Down navigation key to continue entering the number. Note: If the message Wrong number type appears, change the dial mode or check that the length of the number is between 5 and 8 numbers. SCC – 03/2016...
  • Page 45: Editing Contacts

    5. Enter the number (see Text entry on page 52) then press the Save context key. 6. To add more phone numbers for the contact select Add Next Number and repeat the previous step. Tip: To add further contact numbers to a saved contact, open the contact and select Add New Number at the end of its numbers list.
  • Page 46: Delete All Contacts

    Tip: You can also delete individual contacts or numbers associated with them, see Editing contacts on the previous page. To delete all contacts 1. Select Menu > Phone > Contacts. 2. Navigate to the Menu card then select Delete User Contacts. SCC – 03/2016...
  • Page 47: Calls

    The various types of voice and data calls that are supported by your radio, and the acoustic and visual alerts that accompany a call, depend on your radio's customisation. Call types Sepura radios support the following voice- and data call types: Voice call types Voice call type Description A call between you and a group of other radio users in your attached talkgroup.
  • Page 48: Call History

    Call History The Call History records up to 20 recent individual calls. It can be customised to display Incoming Calls or Outgoing Calls or both sets of call types in a list. SCC – 03/2016...
  • Page 49: Group Calls

    The following icons are used to distinguish different types of TETRA PBX/PSTN call events: Icon Description Received TMO call Sent TMO call Missed call. Call was not answered or cleared. TETRA Alarm Call Received TETRA DMO Call Sent TETRA DMO Call Caution: If you do not switch off your radio correctly (using the Mode/Power key) the call history is deleted.
  • Page 50 When a Group call is received, the LED flashes red and your radio status changes to ‘Group Call’. The name of the talk group, talk group folder and the caller’s ID are displayed. When the LED changes to solid green (after a few seconds) you can respond to the call. SCC – 03/2016...
  • Page 51: Individual Calls

    Individual calls Individual calls (point-to-point) are private calls between you and one other person. You can make individual calls in two modes: individual calls (half-duplex mode)—where only one person can talk at a time using the PTT button. individual ‘phone’ calls (full-duplex mode)—where both parties can talk simultaneously.
  • Page 52 Note: If your radio has been customised with a single dial mode for TETRA, PBX and PSTN numbers, the dial mode icon cannot be changed. Hands-free mode If you are using a full-duplex audio accessory, simply press the Select/Send key and continue fully hands free. SCC – 03/2016...
  • Page 53: Broadcast Calls

    Receiving a phone call When an incoming phone call is received, your radio sounds an audible alert and displays the identity of the caller (if the contact or number is stored in your phone book). 1. Press the Accept context key or the Select/Send key to answer the call. Press the Reject context key or the Cancel/Home key to reject the call.
  • Page 54: Missed Events

    A Quick Call allows you to request help or information in a non-emergency situation. To initiate a Quick Call 1. Press a pre-configured soft key. 2. Press the PTT to transmit. Depending on the configuration this causes all or some of the following to happen: SCC – 03/2016...
  • Page 55: Smart Calls

    if your radio is in Smart Call Mode it reverts to Group or Individual Mode (see Smart Calls below). your radio sets up a voice call to a programmed recipient which can be individual or talkgroup your radio sends up to two Status messages your radio sends a position report Note: Quick Calls cannot be made from a radio in Gateway Mode.
  • Page 56: Modifying Your Call Setup

    For example, you might make a group call, but the actual call being established might be converted to an individual call to a dispatcher. SCC – 03/2016...
  • Page 57 This feature is typically used by network administrators to provide centralised control over certain services (e.g. customising all the radios so that Alarm Calls are all the same type and destination, allowing the network to decide what type of call is made and the destination whenever an Alarm Call is initiated).
  • Page 58: Text Entry

    Press the Right or Left navigation key. time Move to the start of a Press the Up navigation key. sentence Move to the end of a Press the Down navigation key. sentence Add a space Press the 1 key. SCC – 03/2016...
  • Page 59: Character Sets

    Character sets You can use character sets to change the style of the text, and to enter numbers and special characters. The character set can be changed as often as required when entering text. The following character sets are supported: Character set Description The first letter is entered in upper-case, with...
  • Page 60 Zhiyan Chinese characters are composed and entered in a similar way to Simplified Chinese characters, however when the keys are pressed to input the strokes that build up the character you must then press the Select/Send key to display the set of possible matching characters. SCC – 03/2016...
  • Page 61: Messages

    Messages Your radio supports status messages, text (SDS) messages and picture messages. All message types are available from the Messages menu. Message Inbox Incoming messages are displayed in the Inbox with the most recently received messages at the top. Unread messages appear in Bold. The Inbox can store up to 50 messages.
  • Page 62 View the message details (See View message details on the facing page.) Reply to the message (not picture messages) Forward the message to a contact (not picture messages) Save the message(See Saved messages on page 58.) Delete the message SCC – 03/2016...
  • Page 63: Opening Messages

    Opening messages To open a message: 1. Open your Inbox (see To open the Inbox: on page 55). 2. Select a message then use Options > Open. 3. Alternatively you can press the Select/Send key. View message details You can view the details of received messages. To view message details: 1.
  • Page 64: Reply To A Message

    A message indicating that the message has been stored is displayed. To view saved messages: Select Menu > Messages > Saved Messages. Use the navigation keys to scroll through the list of messages. Alternatively press a context key you have assigned as a shortcut to Saved Messages. SCC – 03/2016...
  • Page 65 To delete saved messages: 1. View Saved Messages (see To view saved messages: on the previous page). 2. Select Options > Delete. 3. Select a delete option: To delete the selected saved message select Delete Message To delete all saved messages select Delete All Create a text message 1.
  • Page 66 2. Select Send. Send to a Phonebook entry 1. Select Phonebook. Your Phonebook opens. 2. Select your contact and press Open. 3. Select the phone number. (Contacts can have multiple phone numbers). 4. Press Send to send the message. SCC – 03/2016...
  • Page 67 Note: While you are selecting the address for a message you cannot make outgoing calls to Phonebook. Send to a dialled destination 1. Select Dial. 2. Key in an individual address (ISSI, Individual Short Subscriber Identity) in the dial box. 3.
  • Page 68 2. Alternatively you can press the Select/Send key. 3. To view the image full screen, use Options > View Image. The image and any text associated with it are displayed. Note: If the image data has been corrupted the Broken Picture icon is displayed. SCC – 03/2016...
  • Page 69: Paging Alerts

    Paging alerts The Paging Alerts feature allows the radio to act as a pager when it is in normal operating mode or when you select a user profile which results in the radio appearing to be switched off. (See User profiles on page 79.) The Paging Alerts feature is triggered by receipt of a Status message which is automatically displayed.
  • Page 70: Networks

    Alternatively select Menu > Networks > Log ON/OFF. A screen appears: Log On—enter you user ID and password then press Confirm. Log Off—press Confirm. Details—indicates the current log on state of the radio. and displays the user's network identity. SCC – 03/2016...
  • Page 71: Change Network

    Change Network You radio may be customised to use other networks when you move into their coverage area. To change network 1. Select Menu > Networks > Change Network. 2. Navigate to the required network then press Select or the Select/Send key. Tip: To select the local network automatically, select the Automatic check box.
  • Page 72: Fallback Mode

    When your radio leaves Fallback Mode: the radio status bar returns to normal (Ready… or similar) RSSI antenna icon stops flashing the tri-colour LED stops flashing a text box pops up indicating normal operation. the radio generates a warning tone. SCC – 03/2016...
  • Page 73: Operating Modes

    Operating Modes Your radio supports the following operating modes: In Trunked Mode Operation (TMO Mode) your radio operates on the network infrastructure supplied by your service provider. In Direct Mode Operation (DMO Mode) your radio can transmit directly to another radio (antenna to antenna). In DMO Mode radio coverage depends on the position of the caller and the receiving radio.
  • Page 74: Dmo Mode

    Tip: You can enable Presence Checking so that your radio checks whether the receiving radio is available to receive when you attempt an Individual call. See DMO options on page SCC – 03/2016...
  • Page 75 Using a DMO gateway A DMO gateway (or gateway) is a device which allows users working in Direct Mode to communicate with users in Trunked Mode effectively extending the working range of a radio. When your radio is in DMO Mode and it is in range of a DMO gateway the gateway icon appears and, if customised, an audible alert is generated.
  • Page 76 Specify whether your radio uses or ignores any gateway and/or repeater it detects. In the Gateway/Repeater Filter screen select one of the following options: No GW/Rep—do not use any gateways and repeaters detected by your radio Use Repeater—Use repeaters detected Use Gateway—Use gateways detected SCC – 03/2016...
  • Page 77: Dmo Gateway Operation

    Use GW/Rep—Use a gateway or a repeater detected by your radio. Note: When option Use GW/Rep is selected, your radio selects the first gateway or repeater that it detects. If it selects a gateway, a gateway icon is displayed on the status line. If the gateway stops sending a presence signal it will no longer be detected by your radio which may then detect a repeater.
  • Page 78 To switch to Gateway Mode Press a customised soft key. Alternatively follow the following steps: 1. Select Menu Options > Networks then in Network options select Operating Mode. 2. In the Operating Mode options select Gateway Mode. SCC – 03/2016...
  • Page 79 3. A large tick graphic is displayed and the gateway icon is displayed on the status line. After various checks the top level screen message ‘Ready: Gateway’ appears. (If this does not happen see the Tip above.) Tip: If you do not see message ‘Ready: Gateway’, select a DMO talkgroup to connect to (described in Select a talkgroup on page 29).
  • Page 80: Repeater Mode

    Select a talkgroup on page 29). Repeater Mode A radio acting as a repeater provides a service to other radio users. It extends the range and enhances the reliability of Direct Mode communication compared with basic direct communication between radios. SCC – 03/2016...
  • Page 81 You can use a repeater to enable communication between radios which are out of range of each other. The following diagram shows radios A, B and C and a repeater which are on the same DMO talkgroup. A, B and C are in range of the repeater.
  • Page 82 Emergency operation on page 14) which has not been cleared. Caution: If you select Transmit Inhibit Mode while your radio is operating in Repeater Mode, the radio leaves Repeater Mode and it stops functioning as a Repeater. SCC – 03/2016...
  • Page 83 Note: If you are going to leave a repeater unattended for long periods of time, or as a permanent installation in a remote location, we recommend that you configure it as required (select and attach the required Direct Mode talkgroup) and then power the radio off. This will save the configuration;...
  • Page 84 The repeater has detected that the DMO channel is Busy DMO being used. In this case repeater operation is Channel suspended. In Call: Repeater A call is in progress through the repeater. Talk Repeater Participating in a call and transmitting SCC – 03/2016...
  • Page 85: Features

    Features Your radio can be customised for various advanced features and can have various soft keys assigned to frequently used features. Privacy Screen Your radio can be customised to display a picture when the screen is inactive for a specified period of time. This helps protect the privacy of any displayed information.
  • Page 86 (Group Focus above). Covert Mode operation is active. Audible alerts are disabled. In this profile is selected you cannot select Transmit Inhibit (see Transmit Inhibit on page 65 SCC – 03/2016...
  • Page 87: Lone Worker

    Lone Worker If you are working alone you can use the Lone Worker feature to let your dispatcher know that you are safe. When Lone Worker is enabled your radio periodically sounds an alert which you must acknowledge—usually by pressing a pre-programmed key— otherwise the radio sends an emergency status message to your dispatcher.
  • Page 88: Gps

    GPS position To locate your GPS position 1. Select Menu > GPS > Position> Locate. While the position is being calculated the GPS icon flashes. Position information When the position has been determined the following information is displayed: SCC – 03/2016...
  • Page 89: Gps Direction

    Latitude and Longitude values. Fix indicates how accurate the reading is: 2D indicates that less than four satellites were used to determine the position 3D indicates that at least four satellites were used. The first number in brackets reports how many GPS satellites were used.
  • Page 90: Gps Reporting Options

    Always Send – GPS reporting is enabled regardless of any instructions sent over the air. No Override – your radio will respond to instructions sent over the air. GPS reports are sent if requested and is switched off if requested. SCC – 03/2016...
  • Page 91: Security

    Security Sometimes when you are working, you may need to secure your radio from unauthorised use. The easiest way to secure your radio is to lock the keypad when your radio is not in use. Your radio may be customised with other security features such as a remote user network log on (to authenticate network users).
  • Page 92 Secure Comms icon in the message details that the message was End-to-End Encrypted. Note: If the message ‘Security Check Fail’ is displayed while making or receiving calls, it indicates that the radio has not been customised properly. In such cases, please contact technical support in your organisation. SCC – 03/2016...
  • Page 93: Asset Management

    Asset management Handsets, consoles, radios and accessories are assets that need to be effectively managed throughout their life cycle. In some organisations it is a requirement to track assets and this can be done by labelling them. Asset management refers to the periodic maintenance of your radios. Maintenance includes software upgrades and reprogramming of the radio to ensure that it continues to meet your requirements.
  • Page 94: Customising Your Radio

    Applications Interface Unit (AIU). Connect the radio (or console or AIU) to a computer running Radio Manager and start your customisation. Contact Sepura for more information on programming your radio. SCC – 03/2016...
  • Page 95: Glossary

    This type of call is initiated when the user context key presses the PTT button on the radio. Only one person can User-programmable key on a Sepura radio that can be talk at any time during these calls. (T) customised to provide a shortcut to a menu option, such as the Contacts list or Talkgroups.
  • Page 96 PTT button. Unlike a group call, a point-to-point call is a private call to an individual. Smart Call PSTN On Sepura radios, a Smart Call is a call to an address other than the selected talkgroup. (S) SCC – 03/2016...
  • Page 97 Radios operating over the TETRA network. tri-colour LED An LED with three colours that is used on a Sepura radio and mobile transceiver to alert the user to a change of state such as the radio operating in transmit inhibit mode.
  • Page 98 Sepura plc 9000 Cambridge Research Park Beach Drive Waterbeach Cambridge CB25 9TL United Kingdom sepura.com...

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