User Manual
2-29
PoleVault Systems Installation • Installation — Stage 5
2e
 Set MLC volume to maximum, and adjust 
  the level on the switcher 
FRONT
REAR
Front
Plate
Cable from
power source
Tighten Front and
Rear Plate Screws (4)
and Side Screws (2)
3a
 Replace the front plate and 
3b
 tighten 
 down the screws on the mounting kit 
d. Test the controller’s configuration with the following:
  • Check that the MLC is controlling the PVS 204SA 
  switcher and projector, and does output the 
  correct image when switching inputs.
  • Check the projector’s power control (turn it off 
  and on at the MLC controller).
  • Adjust the conguration as necessary.
e.  Adjust the audio input sensitivity as follows:
  • Ensure there is an audio source at each transmitter.
  • Set the MLC controller’s volume to maximum.
  • On the PVS 204SA switcher, press and hold the 
  selected input buttons for 3 seconds. The input’s 
  LED will blink.
  • While holding the input button in, rotate the level 
  encoder until the Clip LED blinks, then turn the 
  encoder back down until the blinking stops.
  • Release the input button.
  • Repeat Step e for all inputs.
f.  If necessary adjust the amplifier level by rotating the 
same encoder used in Step e.
g.  If necessary set the Aux/Mix level by rotating the 
Aux/Mix encoder.
3. Final installation
a.  Replace the front plate of the PMK 450. The power 
cable can exit the unit through the power cable 
access slot at the rear.
b. Tighten down all six screws on the PMK 450, four on 
the front and rear plates, and two on the sides.
c.  Check and tighten the adjuster plate locking screws 
on the projector bracket.
MIN/MAX CLIP
AUX/MIX LEVEL
AUDIO
This LED flashes when the 
amplifier output is clipping.










