Simrad RS90 User Manual

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DSC Procedures | RS90 Operating Manual
Receiving a distress call
When the radio receives a DSC distress call, it:
• Sounds a two-tone alarm through the handset(s) and speaker(s),
and
• Automatically switches to channel 16 after 10 seconds if there is
no user intervention.
If the two-tone distress alarm sounds on your radio:
1. Press the [SILENC] soft key to silence the alert.
You do not need to send a DSC acknowledgement; this will be done
by an official search and rescue station.
2. Maintain a listening watch on Channel 16 for voice communications
from ship and coast stations about the distress.
3. You can then:
• Press ▼ or ▲ to scroll through details of the distress call,
• Press [PTT] to talk, or
• Press [X] to exit the DSC session.
Distress acknowledgement: (DISTRESS ACK)
or distress relay all ships: (DISTRESS REL)
Only official Search and Rescue stations are permitted to send these
signals.
When your radio receives a Distress Acknowledgement signal it
does the following:
• Cancels any Distress Mode transmissions,
• Sounds a two-tone alert, and
• Automatically switches to channel 16 after 10 seconds if there is
no user intervention.
1. Press the [SILENC] soft key to silence the alert.
2. Press the [ACCEPT] soft key to switch to CH16 immediately.
3. Maintain a listening watch on CH16, and standby to give assistance.
4. You can:
• Press ▼ or ▲ to scroll through details of the call,
• Press PTT to talk to the coast station or other ship, or
• Press [X] to exit the DSC session.

Simrad RS90 Specifications

General

Brand	Simrad
Model	RS90
Category	Marine Radio
Language	English