Memory Switch; Accessory Socket - Icom IC260-A Instruction Manual

21.
22.
23.
MEMORY SWITCH
erased.
ACCESSORY SOCKET
The table below shows terminal connections of this connector.
ACC SOCKET CONNECTIONS
(0) (0 0) 0909 6); Outside view
FUNCTION
Output from squelch control stage. (+7V when squelch is ON)
13.8 Volts DC in conjunction with the power switch operation.
(0.3A Max.)
Connected to Push-to-talk, T/R change-over switch. When grounded, the
set operates in the transmit mode.
Output from the receiver detector stage. Fixed output regardless of AF
output of VOLUME Control.
Output from Transmitter MIC amplifier stage.
8 Volts DC available when transmitting. (Relay can not be directly
actuated. 5mA Max.)
input for external ALC voltage.
Ground.
NC (no connection).
Output of the voltage applied to the meter.
NC (no connection).
Input for external Noise Blanker control signals.
NC (no connection).
Control signal (DBC) input terminal for external control.
NC (no connection).
NC (no connection).
Control signal (DV) output terminal for external control.
Control signal (RT) input terminal for external control.
Data signal (DB1) input/output terminal for external control.
Data signal (DB2) input/output terminal for external control.
Data signal (DB4) input/output terminal for external control.
Data signal (DB8) input/output terminal for external control.
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