Smart Comm SC-280 Series Instruction Manual Download Page 11

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EMERGENCY 

 

When 

*(Orange) 

key  is  pushed  more  than  1.5sec,  the  DTMF  emergency  signal  is 

automatically transmitted. 

Note:

 An emergency functions are programmed by your dealer. 

 

To exit emergency mode, press and hold 

*(Orange) 

key again or turn off the power switch. 

 

OPTION 

 

When the programmed key is pushed, the Option function can be used. 

Function on :   

    appears on the display.   

Function off :   

    disappears on the display.   

When the optional board (Scrambler unit or Man Down unit) is installed, the Option function 

can be used. 

 

-Scrambler - 

The voice scrambler function provides private communication between stations. 

 

-Man Down- 

The man down function transmits emergency signal after the man down is activated for a 

period exceeding the specified time. 

 

Note:

  Option  function  is  programmed  by  your  dealer.  Ask  your  dealer  for  Option  board 

details. 

Summary of Contents for SC-280 Series

Page 1: ...Page 1 11 INSTRUCTION MANUAL SC 580 SC 581 series UHF TRUNKING CONVENTIONAL TRANSCEIVER SC 280 SC 281 series VHF TRUNKING CONVENTIONAL TRANSCEIVER...

Page 2: ...TICE This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection aga...

Page 3: ...Y PACK 6 BATTERY LIFE INDICATOR 6 CONTROL AND CONNECTIONS 7 POWER SWITCH VOLUME CONTROL 7 SYSTEM GROUP CONTROL 7 TX BUSY LED INDICATOR 7 LCD Liquid Crystal Display 7 H HOME KEY 8 S SCAN KEY 8 F1 KEY 8...

Page 4: ...ny system The radio contains an automatic power control that maintains constant RF power output and temperature compensating circuitry to maintain stable frequencies over varying temperatures Note Cha...

Page 5: ...semble or reconstruct battery Do not short battery pack terminals Do not incinerate or apply heat to the battery Do not use or leave the battery near fires stoves or other heat generators Do not immer...

Page 6: ...Y PACK Charge the battery pack before using it To keep the battery discharge at a minimum remove the battery pack from the transceiver when it is not in use Store the battery pack in a cool place to m...

Page 7: ...trunking system it selects either F functional position or one of 15 Systems Groups TX BUSY LED INDICATOR Lights red during transmission green during reception or when busy LCD Liquid Crystal Display...

Page 8: ...LTR trunking system when the SYSTEM GROUP control is set to the F position pressing this key decreases the Group number or decreases the System number in the shift mode This key also activates the DT...

Page 9: ...not be programmed ACCESSORY JACK Interface for connecting an external speaker and microphone BATTERY PACK Provides DC power supply to the transceiver BATTERY LOCK To detach the battery pack turn off t...

Page 10: ...aler RECEIVING When a call is received the transceiver will automatically change to correct group and you will hear the call TRANSMITTING Press and hold the PTT switch and speaking into the microphone...

Page 11: ...ion function can be used Function on appears on the display Function off disappears on the display When the optional board Scrambler unit or Man Down unit is installed the Option function can be used...

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