Chapter 6 — Troubleshooting and Maintaining the CK30
138 CK30 Handheld Computer User’s Manual
The battery light on the CK30 blinks three times and the CK30
starts the power on sequence.
Note: The correct date and time settings may not be saved
through a cold boot. You may need to reset the time and date.
Cleaning the Scanner Window and CK30 Screen
To keep the computer in good working order, you may need to
perform these minor maintenance tasks:
• Clean the scanner window.
• Clean the CK30 screen.
Clean the scanner window and CK30 screen as often as needed
for the environment in which you are using the computer. To
clean the CK30, use a solution of ammonia and water.
There are no user-serviceable parts inside the CK30.
Opening the unit will void the warranty and may cause
damage to the internal components.
To clean the scanner window and computer screen
1 Press I to turn off the CK30.
2 Dip a clean towel or rag in the ammonia solution and wring
out the excess. Wipe off the scanner window and screen. Do
not allow any abrasive material to touch these surfaces.
3 Wipe dry.