Furuno CH-300 Operator's Manual page 99

AUTO RETRACTION: Turn on to automatically retract the transducer when ship's speed
exceeds the speed set here. The ship's speed range for automatic retraction is from 5 to 15
knots. The default setting is OFF (no automatic retraction). The transducer may be retracted
at a speed other than the intended one when ship's speed data is erroneous.
SPEED ALARM/MESSAGE: Turn on (default setting) to display speed alarm message and
sound the audio alarm when ship's speed exceeds allowable speed for a given transducer
operation. The audio alarm can be silenced with the R/B key.
[↓] pressed to lower transducer
Speed above 15 kts
Transducer being lowered
Speed over 15 kts
Transducer lowered
Speed above 20 kts
↑
[ ] pressed to raise transducer
Speed above 15 kts
Transducer being raised
Speed above 15 kts
SHIPS SPEED
EXCEEDS 15 kt.
(SLOW DOWN UNDER 15 kt WHEN
MOVING TRANSDUCER UNIT.)
PRESS R/B KEY TO SILENCE ALARM.
Message 1
SWEEP INDICATOR: Shows train position in the horizontal mode and tilt angle in the
vertical scan mode, with a line or a dot. (See the illustration on page 2-2 and 3-2.)
DEFAULT SETTING: Choose YES and press the MENU key to restore all default system
menu settings. Several beeps sound while default settings are being restored and then
normal operation is restored.
ARE YOU SURE?
NOTE! ALL THE SYSTEM SETTING WILL BE CHANGED
: CHANGE
Message 1 appears. Reduce speed below 15 kts to restore
normal operation.
Message 1 appears and lowering continues.
Message 2 appears accompanied with the aural alarm. Reduce
the speed below 20 kts to restore normal operation.
Message 1 appears accompanied with the aural alarm.
Transducer is not raised. Reduce the speed below 15 kts to
erase the message and restore normal operation. Then, press [
again to raise the transducer.
Message 1 appears and raising continues. Reduce the speed
below 15 kts to erase the message and restore normal operation.
TRANSDUCER REMAINS
(REDUCE SHIP'S SPEED AND PRESS
PRESS R/B KEY TO SILENCE ALARM.
** FACTORY SETTING **
: NO
TO FACTORY SETTING.
MENU: END
FACTORY SETTING dialog box
LOWERED.
TO RETRACT IT.)
Message 2
YES
5. MENU OPERATION
5-13
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