Troubleshooting
Efficia CM Series Service Guide 4-17
Testing the Speaker
To calibrate the touch screen:
Testing the Speaker
The audio test plays a sample sound three times. If the monitor has two speakers, the
right speaker is tested first, followed by the left speaker.
Note — The CM10 and CM12 models have one speaker. The CM100, CM120, and CM150
have two speakers.
Step
1
Open the Maintenance options in the Diagnostics Menu. See “Accessing the
Diagnostics Menu and Maintenance Options” on page 3-6.
2
Select the Touch Calibration button.
Note — You cannot exit the test until it is completed.
The calibration screen appears.
3
Caution
Touch and release each target and wait for the target to move to the
next position before touching it. Be careful not to touch any target more
than once, because it may adversely effect the calibration.
Touch and release the center of the target cross hair ( ) that appears.
The target moves to the next position, which is the top right corner.
4
Repeat step 3 for the remaining target cross hairs. The target moves
clockwise to each corner and then to the center.
After the center target is touched and released, a confirmation window
appears.
5
Select OK.
Caution
If the confirmation screen does not appear within a few seconds after
the center calibration target disappears, you must restart the monitor
and recalibrate the touchscreen.
The monitors restarts.
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