Operating Instructions

Maintenance
DLT-V72 Operating Instructions V2.50 Preliminary 131 / 140
Cleaning the housing
 Ensure that the DLT-V72 is switched off and currentless.
 Clean the housing with a slightly dampened cloth.
 Do not use compressed air, a high-pressure cleaner or vacuum cleaner, as this can damage the
surface.
Using a high-pressure cleaner poses the additional risk of water entering the device and damaging
the electronics or display.
Cleaning the touchscreen
 Device with PCT touchscreen: Switch off the device completely.
 Device with resistive touchscreen: Deactivate the touchscreen:
 Use a neutral glass cleaner without ammonia or isopropyl alcohol applied to a lint-free cloth.
ATTENTION: Do not apply cleaning agent to the touchscreen; apply it to the cleaning cloth
 Then wipe off the touchscreen with it.
16.6. Touchscreen protective film (optional)
NOTICE: Property damage
Do not attach the protective film to damaged or worn out touchscreens. Air bubbles can get
trapped and cause malfunctions.
The ordered optional protective film is normally attached to the DLT-V72 touchscreen at the factory.
If the film must be attached by the customer or replaced:
 Turn off the DLT-V72.
 Use a neutral glass cleaner without ammonia or isopropyl alcohol applied to a lint-free cloth.
 Wipe off the touchscreen with it.
 Then use distilled water to remove any residual glass cleaner.
NOTICE: Property damage
Never use any kind of chemical solvent, acidic or alkali solution.
Do not use any abrasive glass cleaner or cloths that could scratch the touchscreen.
 Make sure that the surface of the touchscreen is free of dust and other particles.
 Position the protective film with the adhesive side facing downwards tight at one corner of the
viewing window.
 Carefully press on the foil.
 Then using a wiper (wooden wiper) to push out any air bubbles to the corners.