User setup menus, Lcd adjustment, Display timeout – PS Engineering PMA450 Installation Manual User Manual
Page 32

PS Engineering
PMA450 Audio Selector Panel and Intercom System
Installation and Operator’s Manual
200-450-0000
Page 3-12
Rev. 3, November 2014
3.13 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, hold 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 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.
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.
Figure 3-10 LCD Menu
3.14.1 Display Timeout
This is a feature that allows the end user to adjust how quickly the screen menus timeout (revert to main
menu).
This allows adjustment of the timeout screen and can be configured from 1 second to 30 seconds by turning
the inner knob.