Air Comm Systems, Inc. Page 5
ACS PA100(F/D) Control Unit Installation and Operations Manual
Operations of the ACS PA100(F/D)
n
Description
The ACS PA100(F/D) Control Unit is a compact, lightweight, panel mounted unit for use with
the ACS PA100F or ACS PA100D remote mounted Amplifier. It is built to withstand
demanding helicopter applications and is a proven performer in Law Enforcement, EMS,
Forestry and Utility applications, and is approved for use on USFS contracts.
n
Method of Operation
1 Turning the Unit ON or OFF
To turn the unit on, rotate the SELECTOR switch (S2) clockwise to PA position. To turn the
unit off, rotate SELECTOR switch (S2) fully counter-clockwise.
2 PA Operation
Set the SELECTOR switch to PA. Adjust the VOLUME control (R32) to a position just below
the point at which feedback occurs. When maximum volume in the PA position is required,
hold the microphone close to your lips and speak in a loud voice.
3 Broadcasting Radio Messages over the Loud Speaker
Set the SELECTOR switch to the PA or MANUAL position. Set the VOLUME control (R32) to
desired level.
4 Wail or Yelp
Set the SELECTOR switch to the desired position.
5 Manual Siren Operation
Set the SELECTOR switch to the MANUAL position. Depress the SIREN button or, if
connected, activate the auxiliary switch. The toggle switch (S5) must be in the RADIO OFF
position.
Figure 3 Control Unit Front Panel
