PS Engineering PDA360EX Installation Manual - Manual (Page 20)

PS Engineering Inc. ®
PAR100EX Audio Selector Panel and Intercom System
Installation and Operator’s Manual
200-760-0000 Page 2-13 Rev. 12, Jan. 2014
 TEL VOL- The received telephone volume. The unit is set at the factory for 75% of volume. Turn
Clockwise to increase the TEL receive volume.
 LCD CST: adjusts display contrast to suit individual preferences and ambient light.
Figure 2-5 PAR100EX Cover adjustment locations
2.11 Microphone gain reduction
For installations in very noisy aircraft, a reduction in the intercom microphone input gain may be desir-
able. The PAR100EX has two DIP switches located on the main board that can switch the inputs to a
lower gain setting.
Remove the top cover (see §2.8), and locate the two DIP switches near the mounting rod at the rear of the
unit.
Unswitched 3
LCD Contrast
3
TEL VOL