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Monitor 

If the monitor function is set by your dealer, press the programmed Monitor key while in 
receive mode to hear activities on the current channel. 
The Monitor key is programmable with one of the following four operating modes by your 
dealer. 
1. Carrier Squelch- Momentary 

Hold down the [MONI] key to open CTCSS/CDCSS/2-Tone signalling squelch, Release 
to close the signalling squelch. 

 
2. Carrier Squelch-Toggle 

Press the [MONI] key to open CTCSS/CDCSS/2 -Tone signalling squelch. Press again 
to close the signalling squelch. 

 
3. Squelch Off-Momentary 

Hold down the [MONI] key to open carrier squelch; Release to close the carrier squelch. 

 
4. Squelch Off - Toggle         

  Press the [MONI] key to open carrier squelch. Press again to close the carrier squelch. 

 

Scan  

 Scan Type 

1. Single Zone Scan 

Radio scans all the channels that added into the scan list on the current zone. 

2. Multi Zone Scan 

Multiple zones that added into a multi scan list can be scanned. All channels within all 
the zones that added into the scan list can be scanned. 

 Scan Start 

 

1. Add one or several non-priority channels into the scan list. 
2. Press the programmed Channel Scan key to initiate scan from the current channel, 

and ascends through the channel numbers in scan list. The LCD displays the “SCAN” 
icon (“-SCAN-” indicates multi zone scan). 

 Scan Cease 

    Scanning pauses or ceases upon the following: 

1. Upon repress the programmed Channel Scan key, scanning ceases, and the radio 

exits the scan mode. 

2. Activate the Monitor function. 
3. Receives carrier that satisfy radio un-mute condition. 
 

 Scan Resume 

If scanning pauses on an active channel, the scanning will resume according to the scan 
resume mode. The scan resume mode is programmable by your dealer for Carrier 
operated scan or time operated scan. 
 

Summary of Contents for QM-790-V

Page 1: ...7120790000 QM 790 V USER MANUAL Quantun Electronics LLC...

Page 2: ...with its operation and features z Do not touch the metal surface of the radio while it is in use z Do not mount the radio such that the chassis can come in contact with skin z High temperature may bu...

Page 3: ...to the antenna i e 82cm 32inches z To comply with current FCC RF Exposure limitations the antenna must be installed at or exceeding the minimum safe distance indicated above and in accordance with th...

Page 4: ...perational Instructions and Training Guidelines FCC Compliance Precautions Supplied Accessories Radio Overview Parts of the Radio Table below explains the functions of the LEDs and beeps Programmable...

Page 5: ...u to do so z Do not expose the radio to direct sunlight over a long time nor place it close to heating source z Do not place the radio in excessively dusty humid areas nor on unstable surfaces z Do no...

Page 6: ...guidelines users should transmit no more than 50 of the time and always adhere to the following procedures Transmit and Receive To transmit talk push the Push To Talk PTT button to receive release the...

Page 7: ...dio with your authorized frequencies signaling codes etc and will be there to meet your communications needs as your system expands Operation Guidelines z For vehicles equipped with electronic anti sk...

Page 8: ...ation such that during radio transmission any person can come closer than the above indicated minimum safe distance to the antenna i e 82 cm 32inches z To comply with current FCC RF Exposure limitatio...

Page 9: ...ealer Upon unpacking of the QM 790 mobile radio please ensure that all items shipped were received report any missing or damaged items to your dealer Accessories Item Qty PCS Palm Microphone 1 Microph...

Page 10: ...s 3 Programmable Functions Key The keys are programmable with auxiliary functions by your dealer Please refer to the Programmable refer Functions Keys section 4 LED Indicator 5 Speaker 6 Power Switch...

Page 11: ...tal To connect the external antenna LED Indicator Transmitting LED glows red Receiving LED glows green when carrier presents Scanning Green LED flashes once every 1 second Encoding DTMF PTT ID 2 Tone...

Page 12: ...2 CH Up 3 CH Down 4 Zone Up 5 Zone Down 6 Monitor A 7 Monitor B 8 Monitor C 9 Monitor D 10 Display Frequency 11 Display Mode 12 User Selectable CTCSS CDCSS UST 13 2 Tone MDC1200 DTMF Encode Select 14...

Page 13: ...Appears when the selected channel is busy 2 The bar number indicate the channel RSSI Appears when the transmitting power is low Appears when press MONI Key Appears when call transmission is selected 1...

Page 14: ...e scan function is activated Appears when compander function is enabled Appears when scrambler function is enabled Appears when GPS function is enabled Appears when VOX function is enabled Appears whe...

Page 15: ...r level saves battery and reduces the possibility of interference Use the high power setting only when necessary Note If the current channel is programmed with lower power press the Tx Power Select ke...

Page 16: ...her to transmit connect ID BOT ID and Disconnect ID EOT ID when connecting or disconnecting a repeater or telephone system The following modes are programmable 1 BOT ID occurs on each press of PTT EOT...

Page 17: ...n Radio scans all the channels that added into the scan list on the current zone 2 Multi Zone Scan Multiple zones that added into a multi scan list can be scanned All channels within all the zones tha...

Page 18: ...d 2 Scan Add Delete If the Scan Add Delete feature is enabled by your dealer the current channel can be added deleted to from the scan list as the following procedures 1 Select a channel to be added d...

Page 19: ...tone that is the D tone will not be heard while transmitting but only a delay The delay time of the D character is programmable bu your dealer DTMF Speed 6 8 10 or 15 digits per second is programmabl...

Page 20: ...stored number is cleared Redial 1 Press the key on the microphone keypad the LCD displays A 2 Press the 0 key twice then the last dialed number up to 16 digits is dialed and displayed on LCD 3 Press...

Page 21: ...is received the user can hear from the transmitter without any other operation 2 The icon flashes on LCD and the LED flashes orange 3 Radio is muted upon press the programmed Monitor key or no signal...

Page 22: ...tects the radio from damage caused by long time transmission Once a continuous transmission exceeds the preset time 15 1200s programmable the transmission is automatically terminated and alert tone is...

Page 23: ...d feature is enabled the Rx frequency is used in place of the Tx frequency when transmitting and the CTCSS CDCSS decoding signal is used in place of the encoding signal when encoding Press the program...

Page 24: ...ain to promptly go to Home Channel 2 and press for the third time to return to the original channel 2 Tone Encode Select TTS 1 Press the programmed TTS key the LCD displays the preset 2 tone number or...

Page 25: ...crambler feature ON of OFF When the feature enabled the LCD displays the icon Note the emphasis de emphasis feature is disabled while the scrambler is ON and enabled while the scrambler is OFF Rental...

Page 26: ...un dealer If you find it inconvenient to have service performed by your local dealer you may contact Quantun below Quantun Electronics LLC 1379 Shotgun Road Sunrise Florida 33326 USA Main line 954 598...

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