Page 34 of 77
SKIPPER Electronics AS
Edition: 2017-06-12
GDS102 Operation and Installation Manual
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Chapter: 2 Operation
External Printer Operation
The optional external printer is started and stopped by the PRINT button. The printer may be used for
continuous printing over a period of time or the current screen contents may be dumped to the printer for
reference if something interesting is observed.
• The PRINT button (screen 2) switches continuous printing on and o.
• The SCREEN print buttons will initiate a screen dump of the present screen contents.
Note: A second push on the SCREEN print button before the printing is nish, will terminate the
ongoing printing.
If the printer is switched o or not connected, the print button is dimmed. The printout has limited text
functions. The value besides Prim is the primary frequency. The value besides fr (xx/yy) is the two
frequencies in use.
Clock and Calendar Settings
Manual clock and calendar adjustments are carried out on screen 5, see “Fig. 2.6. Screen 5. Calendar and
clock setting.” on page 18. If a satellite navigator giving UTC messages is connected to the NMEA
input, the clock and calendar will be automatically updated and manual adjustment is not possible.
Data Logging (Recordings Memory)
GDS102 has a capability of recording continuously for 24 hours. All related functions are presented
on screens 8 and 9; see “Fig. 2.9. Screen 8. Recordings selection and play back.” on page 21 and
“Fig. 2.10. Screen 9. Recordings options.” on page 22 for further details. Depth, time and whatever
navigational information is available (position, speed, heading), are stored continuously. The most
important settings of the sounder (range, gain, power etc.) are also being recorded for further possible
analysis. New depth information is continuously stored in the memory while the oldest samples are
discarded. By switching RECORDING “o”, the stored 24 hours will be kept in the memory and no new
samples will be written. As a warning that the memory is not recording, “History o” will ash in the
upper part of the screen.
PLAY BACK on, will start playing the contents of the history memory on the screen. As a warning that
the displayed data is from the memory and not real time, currently used le name is ashing in the upper
part of the screen. The le name contains information about date and time when the data was recorded.
The HOURS and MINUTES buttons used with the encoder, will enable positioning within the 24 hour
memory to observe the desired part of the time frame during playback.
Note: If installed, (default and recommended) history data will be recorded on the external Compact
Flash. If the external Compact Flash is not installed, the history data will be recorded on the “program”
Compact Flash located on the rear side of the CPU board.
System ON/OFF
The soft key SYSTEM on/o on screen 2 can be used to set the sounder in standby mode and switch
o the major power consuming elements (transmitter, LCD screen etc.) The sounder can be restarted by
pressing any button. See “Fig. 2.3. Screen 2. Display and print settings.” on page 15.
Note: The unit is still energized!!! Do not perform any reconnections or service procedures before
switching o the mains on the terminal PCB inside the cabinet.
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