Cisco Systems 5.2.x Troubleshoot Audio Quality, Troubleshoot the Handheld Remote Control Unit

Chapter 14 Touchscreens, Projectors, and Displays

Reference

Problem The image is blurred.

Solution Run Frequency Coarse and Fine tuning.

Solution Turn Off the display, remove all accessories (cables, etc.), and then turn display back On again. Solution Set the resolution and frequency to the recommended ranges.

Problem The image is too light OR too dark.

Solution Adjust the brightness and contrast.

Problem Colors are not consistent OR shadows are too dark OR white areas are too white.

Solution Adjust the color.

Troubleshoot Audio Quality

Problem Sound is too quiet OR is not audible.

Solution Check the volume level.

Problem Sound frequency is too high OR too low.

Solution Check the levels for treble and bass.

Troubleshoot the Handheld Remote Control Unit

Problem Buttons do not respond.

Solution Check...

•Battery polarities (+/-).

•If batteries have lost their charge.

•If the power is turned On.

•If the power cord is connected securely.

•If a fluorescent or neon lamp is turned On nearby.

Note	When you use Digital Signs to lock your remote control and the front panel controls for your display, the
	remote control cannot unlock them. Instead, you must switch the Safety Lock, Remote Control Lock, and Panel Lock
	toggles all to Off in Digital Signs.
Note	When you use Digital Signs to lock your remote control, the remote control cannot unlock itself. Instead, you
	must switch the Safety Lock and Remote Control Lock toggles both to Off in Digital Signs.

Run a Diagnostic Self-Test on a 40- or 52-inch Cisco LCD Display

Procedure

Step 1 Turn Off your display and turn Off every device connected to it.

Step 2 Disconnect all devices from your display.

	User Guide for Cisco Digital Media Manager 5.2.x
OL-15762-03		14-33