Page 17 of 77
SKIPPER Electronics AS
Edition: 2017-06-12
GDS102 Operation and Installation Manual
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Chapter: 2 Operation
Fig. 2.5. Screen 4. Transducer details.
Soft key Name Range/value Default value Description
1 SELECT CHN Ch1/Ch2 Ch 2 Selected channel enables adjustment of LOCATION,
FREQUENCY, SCREEN POS, PRIMARY settings, explained
below. The frequency of the channel is displayed next to the
channel number.
2 LOCATION FWD/AFT/
PORT/STRB/
not inst./pos?
Pos? Transducer position. Information is being indicated on the
screen for easy reference to the transducer and used in SKIPPER
proprietary NMEA sentence. Note: If “not inst” (not installed)
is selected, the corresponding channel is not operative and will
never be displayed (single channel mode). One channel must
always be operative, therefore “not inst” can be selected only for
one channel at a time.
3 FREQUENCY 10 - 265 kHz Ch 1: 200 kHz
Ch 2: 50 kHz
Adjustment of the frequency of currently selected channel. Note:
The actual frequency of the channels must be programmed by the
DIP switches on the transceiver PCB. See “Frequency setup” on
page 56 for further instructions.
4 Not used
5 SCREEN POS (Left/right)/
(upper/lower)
Left Selects the screen position of graphical window of currently
selected channel. (Dependant of v.split/h.split screen 2).
6 PRIMARY Yes/no Ch 2
Toggles PRIMARY property of the selected channel. See
“Primary channel assignment” on page 52 for details.
Secondary Operation Screens (screen 4 - 12)
The following gures show the operation of the secondary operation screens.