Furuno RC-1500-1T - Manual (Page 45)

2-5
2.5 Loudspeaker, Buzzer On/Off
1. Display the DSC standby screen or radiotelephone setting screen.
2. Press the [7/ ] key to turn the loudspeaker and the alarm generated for ordinary messages
(others than distress and urgency) on/off. The message SOUND: ON or SOUND: OFF
appears with each pressing of the key. The indication OFF appears at the lower-right side of
the DSC standby and radiotelephone setting screens when the loudspeaker is turned off.
WATCH KEEPING
VOLUME 32
CH:12034
MODE : TELEPHONE
TX
TUNE
POWER
RX
: 12 329.0 KHZ
: 13 176.00 KHZ
: HIGH
SOUND : OFF
SOUND : ON
WATCH KEEPING
VOLUME
CH:12034
MODE : TELEPHONE
TX
TUNE
POWER
RX
: 12 329.0 KHZ
: 13 176.00 KHZ
: HIGH
OFF Speaker OFF
WATCH KEEPING
VOLUME 32
CH:12034
MODE : TELEPHONE
TX
TUNE
POWER
RX
: 12 329.0 KHZ
: 13 176.00 KHZ
: HIGH
About two seconds later
Press [7/ ].
About two seconds later
Press [7/ ].
Speaker ON
3. When the loudspeaker is on, press  to lower the volume;  to raise it. The setting range is
0 to 63. Current volume setting is shown by both bar graph and numeric at the bottom of the
display.
Note: The volume setting is set to 5 and the loudspeaker is ON whenever the unit is powered on.