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DUAL-HEAD OPERATION

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 Intercom function

[P3] is used for the Intercom function ON/OFF switch when 
the Intercom function is set to ON in the REMOTE BOX SET 
MODE. (No other function can be assigned.)
The  Intercom  function  allows  the  operators  of  CONTROL 
HEAD 1 and 2 to communicate each other via their micro-
phones.
The optional microphone and the SP-22 

EXTERNAL

 

SPEAKER

 

are required.

NOTE:

• Transmitting is impossible during intercom operation.
•  During intercom operation, when [PTT] is pushed and 

held  on  the  caller’s  side,  any  received  radio  signal  is 
muted on the listener side’s CONTROL HEAD external 
speaker. However, the received radio signal can be heard 
on the caller side’s CONTROL HEAD external speaker 
and the main unit’s external speaker.

•  When the message signal is received, it is not displayed 

on the LCD of CONTROL HEADs during intercom opera-
tion. After exiting the intercom mode, it will be displayed 
on the LCD.

•  During intercom operation, CONTROL HEADs 1 and 2 

return to the normal operation mode, if no [PTT] opera-
tion is performed for 30 sec.

q

 Push [P3 (INTERCOM)] to enter the intercom mode.

 

•  The  other  CONTROL  HEAD  is  also  set  to  the  Intercom  mode 

automatically even if this function is set to OFF.

 

•  “INTERCOM” appears on both CONTROL HEADs.

w

  Push and hold [PTT] and speak at a normal voice level 

into the microphone.

 

•  “IN USE” blinks on the listener side.

 

•  To adjust the audio output level, rotate [VOL].

e

  After releasing [PTT] you can hear the response through 

the speaker.

r

  To return to normal operation, push [P3 (INTERCOM)].

Содержание RMK-4

Страница 1: ...INSTRUCTION MANUAL RMK 4 SEPARATION KIT...

Страница 2: ...unit with the RMK 4 and CONTROL HEADs in areas with temperatures below 30 C 22 F or above 60 C 140 F DO NOT use chemical agents such as benzine or alcohol when cleaning as they can damage the RMK 4 an...

Страница 3: ...lling the programmable function keys See at right for details The serial number seal is put here and labeled RMK 4 Function name stickers There are no labels on the programmable function keys since th...

Страница 4: ...F CONTENTS iii 1 CONNECTION 1 5 Removing the transceiver s main unit attachment 1 Connecting CONTROL HEAD and RMK 4 2 Attaching the RMK 4 4 Mounting 5 2 REMOTE BOX SET MODE 6 8 Set mode items 6 3 DUAL...

Страница 5: ...the arrow The flat cable should be carefully disconnected from the attachment Main unit attachment Main unit attachment Flat cable t Unscrew the 4 screws then remove the front plate from the main uni...

Страница 6: ...he circuit board screw w Connect the separation cable to CONTROL HEAD The cable can be inserted into either the left or right grooves as needed Separation cable Cable groove CONTROL HEAD Reinstall the...

Страница 7: ...ide of the separation cable that is connected to CONTROL HEAD to the RMK 4 After the cable is connected reinstall the front plate and the 4 screws The cable can be inserted into either the left or rig...

Страница 8: ...flat cable and the RMK 4 are connected attached correctly and not upside down w Replace the screw that was removed from the main unit in step e in p 1 to the chassis e Main unit RMK 4 RMK 4 w e Flat...

Страница 9: ...r securely with the 4 supplied screws to a solid surface Bracket screw D Overhead mounting Mount the controller securely with the 4 supplied screws to a solid surface which can support more than 2 kg...

Страница 10: ...oth dual head and sin gle head operations are set in the USER SET MODE Please refer to the instruction manual of the transceiver for details Set mode items The following functions other than RX Speake...

Страница 11: ...EAD to monitor the other side s communication When one CONTROL HEAD operator is communicating the audio can be heard from the SP 22 EXTERNAL SPEAKER on the other CONTROL HEAD side The optional SP 22 E...

Страница 12: ...adjustable by CONTROL HEADs D Intercom function Set the Intercom function to ON or OFF default ON The Intercom function allows CONTROL HEAD operators to communicate each other via their microphones Th...

Страница 13: ...al can be heard on the caller side s CONTROL HEAD external speaker and the main unit s external speaker When the message signal is received it is not displayed on the LCD of CONTROL HEADs during inter...

Страница 14: ...d the TX indicators lights red I N U S E NOTES Transmission can be performed on either CONTROL HEADs 1 or 2 at the same time The Power ON Password function will not work properly when attaching the RM...

Страница 15: ...y duty microphone HM 148T Self grounding heavy duty DTMF microphone SM 25 DESKTOP MICROPHONE SP 22 EXTERNAL SPEAKER Compact and easy to install Input impedance 4 Max input power 5 W The SP 22 is not r...

Страница 16: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan A 6757H 1US q Printed in Japan 2009 Icom Inc...

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