PS Engineering PMA450, System Installation And Operation Manual, Page: 33 / 41

PS Engineering
PMA450 Audio Selector Panel and Intercom System
Installation and Operator’s Manual
200-450-0000 Page 3-13 Rev. 6, Dec. 2015
Figure 3-8 Playback Display
3.14 User Setup menus
The PMA450 has several user adjustable functions accessible from a setup menu.
Figure 3-9 User Configuration Menu
During the unit boot up process, press the lower line select button until the setup screen appears.
Cycle the PMA450 power to exit setup screen.
During the unit boot up process, hold the lower line select button until the setup screen appears. This shall
place the unit into the “User Configurable Mode- home screen”. This allows adjustment for:
  Adjust Screen (LCD)
  Rename Switched Inputs
  Bluetooth
Cycle the PMA450 power to exit setup screen.
3.14.1 Adjust Screen (LCD Adjustment)
The first items are adjustments to the Liquid Crystal Display, allowing the installer or user to tailor the con-
trast and backlight intensity to suit the cockpit conditions.
There are two modes: LCD Brightness & LCD Contrast.
LCD will vary in real time while adjustments are made. LED bar & numeric indication will vary.
3.14.1.1 Brightness and Contrast
Adjusting either the Brightness or Contrast level requires selecting either of the two smaller buttons and
then turning the inner knob. Counter clockwise to lower the number (level of Brightness & Contrast) and
clockwise to increase the number (level of Brightness & Contrast).
To change the display:
Press the line select for the desired item
Turn the small, inner knob to change the contrast or brightness as desired.
Cycle the PMA450 power to exit setup screen.