Page 16 of 77
SKIPPER Electronics AS
Edition: 2017-06-12
GDS102 Operation and Installation Manual
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Chapter: 2 Operation
Fig. 2.4. Screen 3. Power adjustment and options.
Soft key Name Range/value Default value Description
1 SELECT
CHN
Ch1/Ch2 Ch 2 Selected channel enables adjustment of POWER, and
DRAUGHT. The channel frequency is displayed next to the
channel number.
2 POWER 1 - 100 % 50 % Transmitter power adjustment.
3 DRAUGHT 0.00 to 99.9 m 0.00 m
Draught correction, distance between the lowest point of the
vessel (near the transducer) and the water surface. Setting to
zero will display the depth from the lowest point. Note: Set
individually for both channels.
Also see OFFSET on “Fig. 2.13. Screen 12. Oscilloscope
screen.” on page 25.
4 (optional) SOUND 1400 - 1550 m/s 1500 m/s Sound speed setting.
5 RANGE Manual/autorange Manual Automatic range control.
6 (optional) PING Continuous/edge/
level/manual
External sounding control.
Continuous - internal control of the soundings.
Edge - external control of the soundings, synchronized with
an edge (positive or negative) of the external signal.
Level - external control of the soundings, enabling/disabling
continuous soundings by the level of the external signal.
Manual (Single) - control of the soundings by pressing
PICTURE SPEED key.