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ST Series User’s Manual
8-4
8.2 Periodic Check Points
To keep your ST unit in its best condition, please inspect the following points periodically.
ST Operation Environment
Is the operating temperature within the allowable range (0
o
C to 50
o
C )?
Is the operating humidity within the specified range (10%RH to 90%RH, dry bulb temperature of 39
o
C or
less)?
Is the operating atmosphere free of corrosive gasses?
Electrical Specifications
Is the input voltage appropriate? DC19.2V to DC28.8V
Related Items
Are all power cords and cables connected properly? Have any become loose?
Are all mounting brackets holding the unit securely?
Are there many scratches or traces of dirt on the installation gasket?
8.3 Changing the Backlight
The ST unit’s backlights cannot be replaced by the customer. When the backlights need to be replaced, please
contact your local ST distributer.