1.8 In the Event of Antenna Coupler Failure
HIGH TENSION HAZARD
DO NOT TRANSMIT WHEN ATU IS OPENED
The Antenna Coupler automatically tunes a wire or whip antenna to the transceiver. When the tuning cannot be completed for all frequencies, TUNE OK will not appear on the operation display. In this case, you can take tuning on 2182 kHz by manually operating Coupler as below:
1.Turn off the transceiver unit. Remove the cover of the Antenna Coupler.
2.Set the
COUPLER BOARD
DUMMY
LOAD
BOARD
MANUAL
AUTO
3.Replace the cover.
4.Turn the
1.9 DSC Distress Calling
■When connected to a Digital Selective Calling (DSC) terminal having the capability of controlling the
1.Press the [DISTRESS] key on the DSC Terminal (Model
2.When a coast station acknowledges the call, the DSC Terminal displays “Received Dist Ack” and sets the predetermined DISTRESS frequency (2182 kHz) on the
3.Communicate with the coast station.
■When connected to a DSC Terminal without remote control:
1.Select 2187.5 kHz on the
2.Press the [DISTRESS] key on the DSC Terminal. The DSC distress signal is transmitted over 2187.5 kHz.
3.After the DSC terminal notifies that a coast station has acknowledged the call, press the [2182] key on the
4.Communicate with the coast station.
NOTE: For details of distress calling by a DSC Terminal, refer to the operator’s manual for the DSC Terminal.