User's Manual

2. OPERATION
2-7
2.9 Switching the Frequency to Display
With the message list shown, you can switch the frequency to 518 kHz or 490
(or 4209) kHz by pressing ◄ or ► key.
518 490 (4209)
Press
Switching the frequency for display
2.10 Alarm Messages
The sequence of events when an alarm message is received is as shown below.
When receiving SAR (Search and Rescue) message:
The audible alarm beep sounds, and the alarm output signal is set to ON. The
SAR message is shown on the display immediately after receiving. Note that the
setting of the LIST window changes to All Messages automatically when
receiving an SAR message. (See paragraph 2.11.)
When receiving WARNING message (A/B/L):
When the Warn Msg Alm on System menu is set to On, the audible alarm
sounds and the alarm output signal is ON. The message received appears.
Silencing audible alarm
Press any key (except
key).