Page 10 of 77
SKIPPER Electronics AS
Edition: 2017-06-12
GDS102 Operation and Installation Manual
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Chapter: 1. Introduction
Interfacing
The GDS102 has various interface possibilities.
Outputs
• Transmitter trigger pulse and bottom pulse outputs. See “Transmitter trigger pulse and bottom pulse
outputs” on page 46.
• Analogue outputs 0 - 10 V and 4 - 20 mA. See “Analogue interfaces” on page 46.
• NMEA 0183 interface outputs of depth information. See “NMEA interface” on page 45 and “Maxi-
mum range scale in use, meters. Oset from
transducer, meters.” on page 54.
• External alarm relay output. See “Alarm relay” on page 45.
• System malfunction optocoupler output.
• External printer and monitor. See “External Interface Ports” on page 42.
Inputs
• NMEA 0183 interface input of position, heading, speed and UTC (Coordinated Universal Time). See
“Maximum range scale in use, meters. Oset from
transducer, meters.” on page 54.
• External alarm reset. See “External printer connection” on page 46 and “Input/Output Circuitry 3”
on page 51.
• External control and synchronization of transmitter (optional). See “Remote Sounding Control” on
page 63.
Alarms
Shallow water alarm may be adjusted on screen 1. See “Fig. 2.2. Screen 1. Gain, TVG and alarm settings.”
on page 14. An NMEA alarm output message ALF or ALR or a relay output is provided in GDS102 for
interface to external alarm systems. An audible alarm is also provided, see “Fig. 2.12. Screen 11. System
status screen.” on page 24.