Lowrance HDS-9 Gen2 Touch Operation Manual - Page 125

Maintenance - sun cover

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24 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. Simple maintenance procedures Cleaning the display unit Where marks on the screen can't be removed by a microfiber cloth, use a 50/50 mixture of warm water and isopropyl alcohol to clean the screen. Avoid any contact with solvents (acetone, mineral turpentine etc.), Ammonia-based or vinegar-based cleaning products as they may damage the anti-glare layer, plastics bezel, or rubber keys. To prevent UV damage to the plastic bezel and rubber keys, it is recommended that the sun cover be fitted when the unit is not in use for an extended period. Checking the keys Make sure that no keys are stuck in the down position. If one is stuck, wiggle the key to free it back to normal. 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 this is in the correct position. Touchscreen Calibration 1. Turn the unit off 2. Press and hold the Waypoint key, then turn the unit on 3. Hold the Waypoint key during power on, until the calibration utility screen comes up 4. Touch crosshair shown on screen to perform nine points calibration 5. After successful calibration the unit will return to normal application screen Maintenance | Lowrance HDS Gen2 Touch | 123

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| 123
Maintenance |
Lowrance HDS Gen2 Touch
Maintenance
Preventive maintenance
The unit does not contain any field serviceable components, there-
fore 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.
Simple maintenance procedures
Cleaning the display unit
Where marks on the screen can’t be removed by a microfiber cloth,
use a 50/50 mixture of warm water and isopropyl alcohol to clean
the screen. Avoid any contact with solvents (acetone, mineral tur-
pentine etc.), Ammonia-based or vinegar-based cleaning products
as they may damage the anti-glare layer, plastics bezel, or rubber
keys.
To prevent UV damage to the plastic bezel and rubber keys, it is
recommended that the sun cover be fitted when the unit is not in
use for an extended period.
Checking the keys
Make sure that no keys are stuck in the down position.
If one is
stuck, wiggle the key to free it back to normal.
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 this is in the correct position.
Touchscreen Calibration
1.
Turn the unit off
2.
Press and hold the
WAYPOINT
key, then turn the unit on
3.
Hold the
WAYPOINT
key during power on, until the calibration utility
screen comes up
4.
Touch crosshair shown on screen to perform nine points calibration
5.
After successful calibration the unit will return to normal application screen
24