Adjustment Pots; Logic Switch Options - PS Engineering PAC45D System Installation And Operation Manual

2.5.2 Adjustment Pots

On the side of the PAC45D/HUB45R are six adjustment potentiometers.
Figure 2-2— Adjustment potentiometers (NOTE these are all 30-Turn
pots, and may require 10-15 turns to notice any change)
Alert volume (adjusts the level of the internal audio alerts and annunciations generated
by the PAC45D)
1. White & Green text backlight level adjust (see §2.5.2.1)
2. Unswitched input 1 volume
3. Unswitched input 2 volume
4. Unswitched input 3 volume
5. Unswitched input 4 volume
2.5.2.1 Green and White lighting adjustment
•
By default, adjustments to the pot change the minimum trip point for the dim-
mer input to full bright. The pot permits adjustment from 0V to nominal dimmer
voltage (28V or 5V depending on configuration).
•
Long press (3 seconds) of TEL and ACK on pilot panel will cause the #2 potenti-
ometer to adjust the green level, when in this mode the green LEDs will get
brighter or dimmer.
•
Another long press (3 seconds) of TEL and ACK on pilot panel will adjust the
white level
•
Another long press (3 seconds) of TEL and ACK to exit
•
Also, ACK can be pressed at any time to exit (if you want to adjust green but not
white for example)

2.5.3 Logic Switch Options

The PAC45D has several switches accessible through the side of the HUB45 to set specific func-
tions
200-045-0100
PS Engineering
PAC45 Audio Selector Panel and Intercom System
Installation and Operator's Manual
Page 2-9 January 2020