Raymarine Ray230 Owner's Handbook Manual page 73

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5. DSC Transmission Alert
This sound is emitted from the external speaker to notify that the DSC
code is being sent after transmission is completed. The alert is sounded
at maximum volume regardless of the volume setting.
6. Weather Alert
This sound is made at the detection of a NOAA Weather Alert. The
alert is sounded from the external speaker at maximum volume regardless
of the volume setting or handset state.
7. DTMF Phone Call Sound
This sound is emitted from the external speaker when a phone call is
received by the optional DTMF interface, if installed. The call volume
level is determined by the sound volume setting.
8. Intercom Call Sound 1
This sound is made upon receiving a call using the Intercom function,
when selected through the Menu operation. If Off-Hook, the sound
emits from the handset; if On-Hook, the sound emits from the external
speaker at a low volume. The call volume level is determined by the
sound volume setting.
9. Intercom Call Sound 2
This sound is made upon receiving a call using the Intercom function,
when selected through the Menu operation. If Off-Hook, the sound
emits from the handset; if On-Hook, the sound emits from the external
speaker at a low volume. The call volume level is determined by the
sound volume setting.
10. Intercom Call Sound 3
This sound is made upon receiving a call using the Intercom function,
when selected through the Menu operation. If Off-Hook, the sound
emits from the handset; if On-Hook, the sound emits from the external
speaker at a low volume. The call volume level is determined by the
sound volume setting.
11. Intercom Call Sound 4
This sound is made upon receiving a call using the Intercom function,
when selected through the Menu operation. If Off-Hook, the sound
emits from the handset; if On-Hook, the sound emits from the external
speaker at a low volume. The call volume level is determined by the
sound volume setting.
Operations