User's Manual

Chapter 4 — Maintaining the CK60 Computer
CK60 Series Handheld Computer User’s Manual 97
LED Test
Use this test to light each LED on the CK60 Computer to ensure each is
working properly. This test continuously turns the LEDs on the CK60
Computer on until you press Esc to exit. There are multiple LED tests, tap
OK on each test to go through the sequence, then tap either Pass or Fail to
confirm the results of the test before continuing to the next test.
The top portion of the display shows the area of the CK60 Computer being
tested. The Color and State descriptions in the left column indicate what
you should expect with each LED feature being tested.
A green check mark indicates a pass; a blue question mark indicates infor-
mation is not available or the feature was not tested; a red “X” indicates
inaccurate information; a dashed arrow indicates the feature being tested.
Memory Information
This displays the RAM, ROM, and Disk on Chip (DOC) memory
installed in the CK60 Computer and the size of each. Press Esc to exit.
LED being tested
Color LED should display
Action LED should perform