Front Panel Setup

Set up the FM-15 ALC as follows:

1.Set the MANUAL LEVEL CONTROL to automatic (Blue Knob) (see Figure 2-1). This allows the FM-15 ALC to calibrate itself.The automatic position will allow the FM-15 ALC to constantly change the paging level to compensate for the changes in noise level in the area being monitored.

2.Check the SPL meter (the Green LED) (see Figure 2-1) for maximum noise level. This is your high noise level reading.

3.Set the MAXIMUM NOISE LEVEL control (Red Knob) (see Figure 2-1) to the average high noise level. If you feel the room noise may actually be louder at some time, move the control up one click to the right (clockwise).

4.The PAGING LEVEL meter (the Red LED paragraph) (see Figure 2-1) indicates the paging level changes that are taking place with dual LEDS.

5.Calibration is complete.

Automatic Level

Telephone Input

Control

Active

-18 dB

-12 dB

-24 dB

 

Manual Level Control

-6 dB

Noise Level

Paging Level

dB SPL

dB

105dB

Full Volume

100dB

-6 dB

95dB

90dB

-12 dB

85dB

80dB

-18 dB

75dB

70dB

-24 dB

65dB

60dB

 

Set Maximum Noise Level

95dB

90dB100dB

85dB

105dB

Manual Level Control

SPL meter

Paging Level

Maximum Noise

[Blue Knob]

[Green LED]

[Red LED]

[Red Knob]

Figure 2-1. FM-15 ALC

2-2Operation

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Avaya LUALC, Ambient Level Controller manual Front Panel Setup, Manual Level Control