1.
OPERATIONAL OVERVIEW
1.1
Controls
Control
PWR/VOL knob
DISTRESS
button
CALL key
ENTER knob
CANCEL key
1/ RT/CH key
2/DSC key
3/TEST key
4/IntCom key
5/ ACK/SQ key
6/SCAN key
Description of controls
• Turns the power on/off.
• Adjusts volume.
Press and hold down the button more than four (4) seconds to transmit
the distress alert.
Transmits DSC messages.
Rotate to choose menu items; push to register selection.
• Cancels wrong data.
• Restores previous menu.
• Silences audio alarm.
• Cancels transmission, printing.
• Erases error message.
Switches to the radiotelephone (RT) screen. Press and hold down more
than five (5) seconds to set SSB: 2182.0 kHz/J3E.
Composes DSC TX message.
Executes daily test and TX self-check.
Turns on/off the intercom with other Control Unit FS-2571C.
DSC: Switches automatic and manual acknowledge alternately.
Radiotelephone: Turns squelch on and off.
• Displays DSC screen.
• Starts/stops scanning of DSC routine frequencies, on the DSC standby
screen.
Function
1-1