Lowrance HDS-7 Carbon Operators Manual EN - Page 179

Maintenance, Preventive maintenance, Checking the connectors, Touchscreen calibration

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23 Maintenance Preventive maintenance The unit does not contain any field serviceable components. Therefore, the operator is required to perform only a very limited amount of preventative maintenance. It is recommended that you always fit the supplied protective sun cover when the unit is not in use. 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 Ú Note: Ensure the screen is clean and dry before doing the calibration. Do not touch the screen unless prompted to do so. In some cases it may be required to re-calibrate the touch screen. To re-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 to press in the Waypoint key during power on, until the calibration utility screen comes up 4. Follow the instructions on the screen to perform the calibration. When completed, the unit returns to the application screen. NMEA Data logging All serial output sentences sent over the NMEA 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 Carbon Operator Manual 179

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Maintenance
Preventive maintenance
The unit does not contain any field serviceable components.
Therefore, the operator is required to perform only a very limited
amount of preventative maintenance.
It is recommended that you always fit the supplied protective sun
cover when the unit is not in use.
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
Ú
Note:
Ensure the screen is clean and dry before doing the
calibration. Do not touch the screen unless prompted to do so.
In some cases it may be required to re-calibrate the touch screen. To
re-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 to press in the
Waypoint
key during power on, until
the calibration utility screen comes up
4.
Follow the instructions on the screen to perform the calibration.
When completed, the unit returns to the application screen.
NMEA Data logging
All serial output sentences sent over the NMEA 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.
23
Maintenance
| HDS Carbon Operator Manual
179