Gain Control - Extron electronics PVS 407D User Manual

Gain Control

Individual channel input sensitivity control
Individual channel input gain control adjustments are made by pressing the adjustment
buttons for the selected input button. The adjustment range is -18 dB to +24 dB, with
the default set at 0 dB.
NOTE:
level and at the highest level possible before clipping occurs.
Front panel input sensitivity adjustment
To make sure the correct input sensitivity is attained, do the following:
For the active input (with the LED lit), press the up >
until the Normal LED is lit and the Peak LED only lights occasionally. Press the down <
adjustment button for compensation if the Peak LED stays on too long.
NOTE: Having the audio level beyond the point at which the peak LED flashes results
in a distorted output signal (clipping).
INPUT
Figure 9.
Individual gain adjustment can also be made by configuration software.
Repeat the steps for the other inputs as desired.
NOTE: The Peak, Normal, and Signal LEDs function as the Aux Input level indicator
only when the switcher is in the "Aux Adjust" mode.
Adjusting input sensitivity for all inputs ensures that all inputs are at the same
AUDIO LEVEL ADJUST
PAGING
VOICELIFT
SENSOR
PEAK PEAK
NORMAL NORMAL
SIGNAL SIGNAL
Front Panel Audio Input Peak/Normal/Signal LEDs and Adjustment
Buttons
level adjustment button
Input
Level set too high,
lower input gain.
PEAK
Level has been
NORMAL
properly adjusted.
SIGNAL
Signal threshold;
raise input gain.
PVS 407D Switcher • Operation 15