19-1
OP27, OP37 Equipment Manual
Release 05/99
Maintenance/Upkeep
Operator
Panels OP27 ad OP37 are designed for low-maintenance operation.
Maintenance of the OP is limited to
regular cleaning of the keyboard overlay and screen
changing the backup battery and
replacing the display back-lighting.
Thetable below lists units whichusers can install or replace themselves.
Parts OP27 OP37
Direct key module (DKM) 4 4
Control Panel Interface 4 4
AT expansion slot and AT cards – 4
Hard disk – 4
Floppy disk drive – 4
A
description of fitting the direct key module, the control panel interface, the
A
T expansion slot and the A
T cards is provided in Chapter 18.
19.1 Cleaning
the Screen and Keyboard Overlay
Clean
the OP screen and keyboard foil overlay at regular intervals with a damp
cloth. Do not clean the device while it is turned on. IThis ensures that functions
are not triggered inadvertently by coming into contact with the keyboard over
-
lay.
Use only water and washing–up liquid to dampen the cloth. Never use aggres
-
sive solvents or abrasive cleaning agents.
Scope
Preparation
Cleaning agents
19
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