Skipper GDS102 - 4. START-UP AND SYSTEM ADAPTION

Page 52 of 77
SKIPPER Electronics AS
Edition: 2017-06-12
GDS102 Operation and Installation Manual
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Chapter: 4. Start-up and system Adaption
4. Start-up and system Adaption
System Adaptation
Primary channel assignment
Primary channel can be assigned in screen 4 (soft keys SELECT CHN and PRIMARY yes/no). In
general this should be the channel with a transducer which has the most favorable operating properties
(frequency, power etc.) and installation conditions. Depth value from the primary channel is always
used for analogue outputs, NMEA 0183 standard sentences and alarm messages. See “Fig. 2.5. Screen 4.
Transducer details.” on page 17.
Transducer installation position
The position of each transducer can be dened in screen 4, soft key LOCATION. The possible options
are FWD (bow), AFT (aft the ship), PORT (portside) and STRB (starboard). This information will be
indicated on the screen and used in SKIPPER proprietary NMEA sentences. If only one transducer
is installed, it is advisable to select “not inst.” value for the second transducer. This will disable
transmissions on this channel and the text line in the upper part of the screen will contain information
(frequency and draught) about one channel only.
Screen presentation
The desirable screen presentation (vertical/horizontal screen split or single channel indication) can be
selected in screen 2 (soft key DISPLAY, see “Fig. 2.3. Screen 2. Display and print settings.” on page 15).
In case of dual presentation, the position of the channels on the screen is also programmable and can be
selected in screen 4 (soft key SCREEN POS, see “Fig. 2.5. Screen 4. Transducer details.” on page 17). The
size of the digital depth indicator can be selected in screen 2 by soft key DIGIT, see “Fig. 2.3. Screen 2.
Display and print settings.” on page 15.
Alarm limits
Shallow water alarm limit is adjustable in screen 1, see “Fig. 2.2. Screen 1. Gain, TVG and alarm set-
tings.” on page 14.
Note: The depth value measured at the primary channel is always used for alarm control function.
Buzzer control
The local audio alarm (internal buzzer) is allways on in ALF setting. IN ALR(A) and ALR(B) it can be
toggled in screen 13, see “Fig. 2.12. Screen 11. System status screen.” on page 24.
Analogue Outputs Range Selection
Shallow and deep water calibration limits for the analogue output may be set in screen 7, see “Fig. 2.8.
Screen 7. Interface setup screen.” on page 20. ANA UPPER (default value 0 m) corresponds to 0 V
(4 mA) on the output, while ANA LOWER (default value 50 m) corresponds to 10 V (20 mA). If the
measured depth on the primary channel is exceeding ANA UPPER setting, 10 V (20 mA) is provided on
the output.