10
Operation
RINGER VOLUME adjusts the level of the night ringer tone output. The
music volume level should first be set to the customer's satisfaction.
When adjusting this level, the PEAK LEVEL indicator should be used to
ensure that the amplifier signal is not distorted.
MUSIC MUTE adjusts the level of the background music heard during a
paging announcement. The fully counterclockwise position provides
maximum muting (no background music). The background music mute
level should be set to the customer's satisfaction, but the page
announcement should be heard distinctly above the background music.
MUSIC VOLUME adjusts the level of the background music output. The
background music level should be set to an acceptable level without
overdriving the system. When adjusting this level, the PEAK LEVEL
indicator should be observed to ensure that the amplifier signal is not
distorted.
MIC VOLUME adjusts the level of the microphone page output.
CAUTION: Microphone should not be placed near any paging
loudspeakers.
TEL VOLUME adjusts the level of the telephone page output. Further
adjustment can be made using the PEAK LEVEL indicator described
above.
The Automatic Level Control (ALC) controls the level at which the
amplifier will begin to limit the output signal.
Adjustment Procedure
1) Disable ALC by turning ALC control to the maximum counterclockwise
position.
2) Make a page, speaking softly, yet distinctly. Set the TEL VOLUME
control to the desired paging level during this page.
3) Make another page speaking relatively loudly this time. Rotate the
ALC control clockwise, while making the page, until it has the same
loudness as the first page.
NOTE:
The TEL Volume and ALC controls work together to set the
output level.
NOTE: The PEAK LEVEL indicator should not show excessive peaking
during loud pages. If this is occurring, the ALC control must be adjusted
until peaking is at a nominal level.
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