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Summary of Contents for Maxon TM-4800
- Page 1 TM-4800 Mobile 800 MHz Transceiver Operating Instructions...
- Page 2 We urge you to thoroughly read this manual before operating the radio. The TM-4800 has been designed for ease of operation. Many of the functions described in this manual are dependent on the system in use. Your Maxon Dealer has programmed the TM-4800 radio to optimize your requirements.
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Page 3: Table Of Contents
Table of Contents SECTION I - Model TM-4800 Radio Safety Information Unpacking Information Installation Safeguards TM-4800 Features Quick Reference Guide Description of Radio Components Controls and Connectors Function Keys Display Information TM-4800 Operation Trunking and Conventional Mode Channel Monitoring System "Handshaking"... - Page 4 Clear-To-Talk Key Press Tone Display Messages Transceiver Service Extended Operations FCC Licensing TM-4800 Product Warranty SECTION II - Model TMA-4474 About Your TMA-4474 Optional Microphone Quick Reference Guide Function Keys Scan Modes Manual System Scan Manual Group Scan Transmitting While Scanning...
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Page 5: Safety Information
Safety Information The Federal Communications Commission (FCC), with its action in General Docket 79-144, March 13, 1985, has adopted a safety standard for the human exposure to Radio Frequency (RF) electromagnetic energy emitted by FCC regulated equipment. Proper operation of this radio will result in user exposure far below the Occupational Safety and Health Act and Federal Communication Commission limits. -
Page 6: Unpacking Information
Remove and carefully inspect the contents of your package for the following items: • Radio • Microphone • DC power supply cord • Mounting bracket, hardware • Microphone hanger and hardware • Operating instructions If any items are missing, please contact your Maxon Dealer. -
Page 7: Installation Safeguards
NOTE: This radio is not intended for operation in a positive ground vehicle. A suitable antenna must be purchased for use with the radio. Consult your Maxon Dealer for recommended Maxon antennas. -
Page 8: Tm-4800 Features
• Optional microphone for telephone interconnect* • Storage of up to 8 telephone numbers (of up to 14 digits in length) * *Functions only when using Maxon Model TMA-4474 (optional microphone with DTMF keypad). NOTE: System setup determines the specific operation of some of the above features. -
Page 9: Quick Reference Guide
Quick Reference Guide Controls Push-To-Talk bar (on microphone) places transceiver in transmit mode Turns transceiver On/Off and • OFF • MAX adjusts VOLume Changes SYStem number LoCKs displayed System out of scan sequence Talk-Around bypasses system when out of range of system Initiates SCaNning mode Changes GRouP number... -
Page 10: Description Of Radio Components
Microphone Connector - Eight pin modular connector for Maxon heavy duty microphone and optional DTMF micro- phone (model TMA-4474). Function Keys - Used to select system and group; to initiate system lockout, talk-around and scan modes. - Page 11 Controls and Connectors, Continued Antenna Connector - N-type connector. Must be connected to a properly installed 50 ohm antenna. Power Connector - Polarized plug for 13.8 VDC NEGATIVE GROUND SYSTEMS ONLY. Auxiliary Speaker Connector - A 3.5mm diameter jack is provided for a 4 ohm auxiliary speaker.
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Page 12: Function Keys
(Refer to "System Lockout" for more information). T/A "Talk-Around" Key - Places the TM-4800 into the talk-around mode on trunking and conventional systems (Dealer programmable option). Allows direct radio-to-radio communication when out of range of the system. -
Page 13: Display Information
-Indicates that the scan mode has been initiated CALL -Indicates that a call has been received BUSY -Indicates that the channel (conventional) or the system/group (trunking) you have selected is busy * Displays only when using optional Maxon TMA-4474 micro- phone with DTMF keypad. -
Page 14: Tm-4800 Operation
TM-4800 Operation Trunking and Conventional Mode Your Maxon TM-4800 may be programmed to operate in both trunking and conventional modes. Each system can be individually programmed to operate in either trunking or conventional systems. There are only a few differences in their operation and these are detailed as follows. -
Page 15: Transmitting
Transmitting A. Turn power on and rotate control clockwise to desired volume level. B. Press the SYS and GRP keys until the desired system and group are displayed. C. If a conventional system is selected, the channel must be monitored before transmitting. D. -
Page 16: Receiving
T/A - Talk-Around Talk-around mode, if enabled by your Maxon Dealer, allows you to talk directly from radio to radio. This is useful when your radios are out of range of any system. If the radio can receive the system transmissions, then talk-around may be disabled. -
Page 17: Transpond Mode
B. Transmit and receive as described in "Transmitting". C. To return to trunking or conventional operation press the T/A key again. Transpond Mode If transpond has been enabled by your Dealer, your radio will automatically send (transpond) an acknowledgment to the system indicating that your radio has received a transmis- sion. -
Page 18: Scan Modes
Scan Modes General Both system scan and group scan are available in Maxon's TM-4800 radio. Although your Maxon Dealer will explain which option(s) he has programmed for you, the following is a description of each. System Scan System scan is initiated by pressing SCN, then SYS. Scan mode is indicated by the word "SCAN"... -
Page 19: Group Scan
"LOCK" information is stored in memory and will not be affected by turning the power switch off. Group Scan There are two different ways the TM-4800 does group scanning. Your Maxon Dealer programs these functions into the radio during initial setup. Only those groups your Dealer has enabled for group scan can be scanned. -
Page 20: Manual Group Scan
"IN SCAN" appear in the display in place of the unique group identifier. Group scan occurs only on those groups enabled by your Maxon Dealer for the selected system. When an incoming call is detected, scanning stops and the incoming call is received. -
Page 21: Home" System And Group
When you press the P-T-T bar on the microphone during scanning (i.e. "IN SCAN" appears in the display) your TM-4800 radio will always transmit on the "Home" system and group. This applies whether scanning has stopped for an incoming call or not. -
Page 22: Rx Priority
RX Priority Your Maxon dealer may have programmed a group ID as an RX PRIORITY (receive priority) ID. Whenever your radio receives this ID, the LCD will show the words "RX PRI" in place of the normal alpha-numeric system / group identifier. -
Page 23: Trunking Supervisory Tones
Trunking Supervisory Tones Busy Tone This tone is similar to the standard telephone busy tone and it indicates that the radio system is currently busy. The tone sounds for as long as the P-T-T bar on the microphone is pressed, and the word "BUSY" appears in the upper right portion of the display while this tone is sounding. -
Page 24: Clear-To-Talk
Display Messages RANGE: This message accompanied by an intercept tone indicates that the TM-4800 radio is out of range or too far from system site to provide communications. BUSY: Indicates that the channel is busy when transmitting. -
Page 25: Transceiver Service
UNLOCK: This message indicates that the synthesizer has become unlocked. If this message should be displayed, take the radio to your Maxon Dealer for service. RX PRI: Indicates that a call has been received on a programmed priority group. (Dealer programmed). -
Page 26: Extended Operations
The fringe distance will vary greatly in plains areas, hilly terrain, and mountaintop sites. Consult your Maxon Dealer regarding the specific opera- tional range and coverage of the system(s) programmed into your TM-4800 radio. -
Page 27: Fcc Licensing
Federal Communications Commission. Some trunking operations now are exempt from individual licensing requirements, but must be operated in a licensed system. Consult your Maxon Dealer or contact the Federal Communications Commission regarding specific licensing information. For more information regarding the FCC license application... -
Page 28: Tm-4800 Product Warranty
This warranty is not assignable or transferable. Maxon shall have no obligation to make repairs or to cause replacement required which result from normal wear and tear or necessitated in whole or in part by catastrophe, fault or the... - Page 29 LOSS OF PROFIT, REVENUE OR DATA ARISING OUT OF THE USE OF OR THE INABILITY TO USE THE PRODUCT. * This Warranty is void for sales and deliveries outside the U.S.A. For sales outside the U.S.A., contact Maxon America or your local Maxon Dealer.
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Page 30: Section Ii - Model Tma-4474
SECTION II Model TMA-4474 Optional Microphone with DTMF Keypad... -
Page 31: About Your Tma-4474 Optional Microphone
We urge you to thoroughly read this section of the manual before operating the TM-4800 radio with the TMA-4474 microphone. NOTE: TM-4800 radio must be turned off when changing the regular microphone to the TMA-4474 microphone. About Your TMA-4474 Optional Microphone... -
Page 32: Quick Reference Guide
Quick Reference Guide Function Keys Push-To-Talk bar (on microphone) places transceiver in transmit mode Changes SYStem number Changes GRouP number Initiates SCaNning mode Talk-Around bypasses system when out of range of system PHONE Enable or disable Phone mode... - Page 33 DTMF Enter telephone mode by pressing the Keypad phone key then press the key that activates the desired function. PHONE Phone + SND "Send"- Automatically interconnects with system and transmits telephone number displayed on the radio LCD. PHONE ..1 Phone + STR "Store"...
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Page 34: Function Keys
SYS (system) or GRP (group) key, system scan or group scan is enabled. (See "Scan Modes"). T/A "Talk-Around" Key - Places the TM-4800 into the talk-around mode on trunking and conventional systems (dealer programmable option). Allows direct radio-to-radio communication when out of range of the system. - Page 35 (RCL) "Recall" key is again pressed. PHONE "Phone" Key - Places TM-4800 in or out of phone mode. The phone key (in conjunction with other keys) activates the secondary key functions. The secondary key function is indicated under each primary function.
- Page 36 Phone + SND "Send" - Transmits the telephone number entered or recalled from memory on the radio's LCD. Phone + STR "Store" - Stores a telephone number into the radio memory. To store a number shown on the radio's LCD, press STR (store) and a memory location number 1 through 8.
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Page 37: Scan Modes
"IN SCAN" appear in the display in place of the unique group identifier. Group scan occurs only on those groups enabled by your Maxon Dealer for the selected system. When an incoming call is detected, scanning stops and the incoming call is received. The display changes to indicate the group identifier on which the call was received and the word "SCAN"... -
Page 38: Transmitting While Scanning
To exit group scan mode, press and hold SCN for 2 seconds. (See "Scan Resume Delay" for additional information regarding the pause). Transmitting While Scanning When a message is transmitted while scanning (i.e. the words "IN SCAN" show on the display), dealer program- ming determines if it is transmitted on the "Last Active"... -
Page 39: Telephone Calls
Telephone Calls Telephone calls may be placed and received, provided that your Dealer has programmed this feature into your Maxon TM-4800 radio. The 8-memory locations can be pre- programmed by the Dealer for recall only or programmed so that the telephone numbers can be changed by the user. The following instructions pertain to placing telephone calls which are made in the trunking mode only. - Page 40 E. Press the SND key. The Maxon TM-4800 will access the trunked group, send the phone number and return to the receive mode. NOTE: In some systems or with a very weak signal, it may be necessary to press the P-T-T bar to access the dial tone and then press the SND key.
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Page 41: Receiving A Telephone Call
C. Press and hold the P-T-T bar to get the system "Handshake". The radio's LED will glow red and the clear-to-talk tone will sound (if programmed). D. Momentarily release the P-T-T bar and listen for the dial tone. E. Press and hold the P-T-T bar while pressing the DTMF keypad to enter the telephone number. -
Page 42: Additional Telephone Calling Information
B. Enter the desired telephone number by pressing the corresponding number keys. The Maxon TM-4800 allows you to enter the telephone number at any desired rate. Errors can be corrected by using the CLR key before "sending" the telephone number. -
Page 43: Clearing Telephone Numbers
Clearing Telephone Numbers When a phone number has been entered, it will remain in the radio display whenever you enter the phone mode. To erase the last digit entered press the CLR key. To erase the entire number, press and hold CLR until no information is displayed. -
Page 44: Trunking Supervisory Tones
Trunking Supervisory Tones Busy Tone This tone is similar to the standard telephone busy tone and indicates that the radio system is currently busy. The tone sounds for as long as the P-T-T bar on the microphone is pressed, and the word "BUSY" appears in the upper right portion of the radio display while this tone is sounding. -
Page 45: Clear-To-Talk
Clear-To-Talk When the clear-to-talk feature is programmed, it emits a short tone which indicates when speaking can begin. (Refer to "Clear-To-Talk" description for more information). Key Press Tone This is a short tone that sounds to indicate when a valid key is pressed. -
Page 46: Conversation Time-Out Tone
System Ringback Tone If in first available system scan mode or after receiving a "busy" indication when attempting to access a system (trunking or conventional), the TM-4800 will emit ring for one second to indicate a system is now available. -
Page 47: Tma-4474 Product Warranty
This warranty is not assignable or transferable. Maxon shall have no obligation to make repairs or to cause replacement required which result from normal wear and tear or necessitated in whole or in part by catastrophe, fault or the... - Page 48 LOSS OF PROFIT, REVENUE OR DATA ARISING OUT OF THE USE OF OR THE INABILITY TO USE THE PRODUCT. * This Warranty is void for sales and deliveries outside the U.S.A. For sales outside the U.S.A., contact Maxon America or your local Maxon Dealer.
- Page 49 Maxon America, Inc. 10828 NW Air World Drive Kansas City, Missouri 64153 816 / 891-6320 Fax: 816 / 891-8815...
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