Lowrance HDS-9 Gen3 Operators Manual US - Page 149

: Maintenance, Preventive maintenance, Checking the connectors, Touchscreen Calibration

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21 Maintenance Preventive maintenance The HDS Gen3 does not contain any field serviceable components, therefore the operator is required to perform only a very limited amount of preventative maintenance. Checking the connectors The connectors should be checked by visual inspection only. Push the connector plugs into the connector. If the connector plugs are equipped with a lock, ensure that it is in the correct position. Touchscreen Calibration To calibrate your touchscreen, do the following: 1. Turn the unit off 2. Press and hold the Waypoint key, and turn the unit on 3. Continue pressing the waypoint key until the calibration process starts The system runs through the screen calibration. When completed, the unit returns to the application screen. NMEA 0183 Data logging All serial output sentences sent over the NMEA 0183 TCP connection are logged to an internal file. You can export and review this file for service and fault finding purposes. The maximum file size is predefined. If you have added several other files to the system (file recordings, music, pictures, pdf files), this may reduce the allowed file size for the log file. The system logs as much data as possible within the file size limitation, and then it starts overwriting the oldest data. Maintenance | HDS Gen3 Operator Manual 149

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Maintenance
Preventive maintenance
The HDS Gen3 does not contain any field serviceable components,
therefore the operator is required to perform only a very limited
amount of preventative maintenance.
Checking the connectors
The connectors should be checked by visual inspection only.
Push the connector plugs into the connector. If the connector plugs
are equipped with a lock, ensure that it is in the correct position.
Touchscreen Calibration
To calibrate your touchscreen, do the following:
1.
Turn the unit off
2.
Press and hold the
Waypoint
key, and turn the unit on
3.
Continue pressing the waypoint key until the calibration process
starts
The system runs through the screen calibration. When completed,
the unit returns to the application screen.
NMEA 0183 Data logging
All serial output sentences sent over the NMEA 0183 TCP
connection are logged to an internal file. You can export and review
this file for service and fault finding purposes.
The maximum file size is predefined. If you have added several other
files to the system (file recordings, music, pictures, pdf files), this may
reduce the allowed file size for the log file.
The system logs as much data as possible within the file size
limitation, and then it starts overwriting the oldest data.
21
Maintenance
| HDS Gen3 Operator Manual
149