User's Manual
Chapter 4 — Maintaining the CK60 Computer
CK60 Series Handheld Computer User’s Manual 99
Sound Test
Use this to cycle through a frequency table, record audio through the
microphone, and play back the recorded audio. Tap Start Test to begin the
series, then tap either Pass or Fail to confirm the results of the test before
continuing to the next test.
A green check mark indicates a pass; a blue question mark indicates the fea-
ture was not tested; a red “X” indicates the validation failed; a dashed arrow
indicates the feature being tested.
Touch Screen Test
Use this test to ensure your touchscreen works properly. Draw anywhere on
the screen with your stylus, press Esc to exit.