Extron electronic VLM 2000 Test the system continued, Finish the installation, Front, Rear, Plate

3. Test the system (continued).

c. Use a screwdriver to adjust the audio to the proper

level by rotating the Aux/Mix encoder on the PoleVault		Turn Aux/Mix
	Min/Max LED	Encoder.
switcher’s front panel.

NThe Aux/Mix distal encoder has a full range of approximately two rotations. Minimum and

maximum levels are indicated by the red Min/Max LED located at the left of the encoder.

d. Walk around the room to check for sound quality and

coverage.
	Ñ Adjust the audio level.
T The audio should be barely audible to the person
speaking if the levels are adjusted properly. Have
another person listen for the sound quality.
e. If you experience feedback, reduce the audio levels by
turning the Aux/Mix encoder counterclockwise.
4. Finish the installation.
a. Test any optional devices that have been installed.	Front
b. Reattach the front plate of the PMK.	Plate
	FRONT

Tighten Front
Plate Screws (2)	REAR

Á Reattach the front plate of the PMK.

VoiceLift Microphone Installation • Installation — Stage 3 2-15