Skipper GDS102 - Primary Operation Screens (Screen 1 - 3)

Page 14 of 77
SKIPPER Electronics AS
Edition: 2017-06-12
GDS102 Operation and Installation Manual
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Chapter: 2 Operation
Fig. 2.2. Screen 1. Gain, TVG and alarm settings.
Soft key Name Range/
value
Default
value
Description
1 SELECT
CHN
Ch1 / Ch2 Ch 2 Selected channel enables adjustment of GAIN and TVG. The frequency
of the channel is displayed next to the channel number.
2 GAIN 0 - 100 % Ch1: 55%
Ch2: 41%
Gain adjustment. (% represents range 1 - 50 dB). See “Gain and TVG
(Time Variable Gain)” on page 29 for further details about the gain
function.
3 TVG 0 - 100 % Ch1: 65%
Ch2: 60%
Time Variable Gain adjustment. (% represents 10 - 50 dB suppression).
See “Gain and TVG (Time Variable Gain)” on page 29 for further details.
4 MARK Line Mark line will be provided both on the screen and paper. (If printer is
active).
5 ALARM ▲ 0 - 99 m 0 m Shallow water alarm adjustment. See “Alarm limits” on page 52 for
further details about alarm function.
6
Primary Operation Screens (screen 1 - 3)
The following gures show the operation of the primary operation screens. Some of the soft keys are
self explanatory. Refer to the corresponding chapter in “Principal Functions” for more information about
particular features. See “External Printer Operation” on page 34.