Filter
Top Products
1-2
Overview
Features
■
Allows automatic, manual or remote control of sound system levels.
■
It has an SPL meter with over 50 dB range built in.
■
The microphone can be placed up to 5000 feet from unit.
■
Simplicity in set up and operation.
■
Single rack space - 1 RU.
■
Balanced 600 ohm inputs and outputs.
■
Line input activated by a contact closure.
■
Loop start TELCO input with priority over line input.
■
Clock inputs or remote control connections.
■
Relay outputs for emergency override or indicators.
■
Line output and a contact closure to supervise downstream equipment.
■
Internal microprocessor senses ambient noise via a microphone input, and
adjusts the paging level accordingly.
■
Rack or wall mount.
■
UL listed power supply, FCC Part 15 approved.
Figure 1-1 shows a back view of the Ambient Level Controller (ALC) and
Figure 1-2 shows a front view of the ALC. Figure 1-3 shows a block diagram
of the ALC.