Adjusting The Audio Gain Level; 1: Procedure To Adjust The Audio Gain Level - Honeywell Gamewell-FCI AA-100 Installation & Operation Manual

Terminals and Connectors

5.1 Adjusting the Audio Gain Level

The Installer can use a multi-position rotary switch to adjust the gain of the audio output signal to
compensate for audio line losses. After you make the correct adjustment, the audio amplifier pro-
duces its maximum rated output power.
5.1.1 Procedure to Adjust the Audio Gain Level
After you complete the installation of all
amplifiers and associated circuitry, adjust
the low-level audio input to the amplifier
set for normal standby. To adjust the
audio gain level, do the following:
1. Use a small slotted screwdriver to
position the rotary switch until the
NORMAL LEVEL LED is lit and
the INCORRECT LEVEL LED is
off.
2. The audio gain is properly adjusted.
NOTE:
You can install an R-470 resistor assembly across P3, (pins 4 and 5) of the last directly connected
device on the low-level audio riser. This installation calibrates the audio amplifier. Failure to do so
will cause a calibration difficulty.
14
R-470 Resistor Installation Requirement:
AA-100/AA-120 Audio Amplifiers Installation/Operation Manual — P/N 9000-0573:C 03/12/2020
Figure 5.1.1.1 shows the Audio Gain switch.
Audio
Gain
Figure 5.1.1.1 Audio Gain Level Diagram
Adjusting the Audio Gain Level