Raymarine Ray54E - Manual (Page 57)

Chapter 5: Digital Selective Calling (DSC) 47
4. Press and hold the
DISTRESS key for 3 seconds to initiate the call. Dur-
ing this time, the radio beeps, the display flashes and a timer counts down
3...2...1.
To cancel the Distress Call: release the
DISTRESS key before the
countdown has completed.
After the 3 second countdown is completed, the call is sent and the radio
waits for acknowledgement. The display stops flashing and the alarm
sounds continuously until muted or an ACK is received.
To mute the alarm: press
CLEAR.
After the Distress transmission, the radio is automatically set to channel
16 at high power to listen for and respond to voice replies from SAR
authorities or other vessels that may have received your Distress Call.
The Distress Call is resent randomly every 3.5 – 4.5 minutes until an
acknowledgement is received or the call is manually cancelled.
To cancel the automatic Distress resend: press
CLEAR.