On-Board Monitor (Display Unit)
Selecting ON-BOARD MONITOR from the service mode menu displays the version information for the display unit.
Selecting Functions , on the on-board monitor (display unit) version information menu, brings up a functions menu.
From the functions menu, the operation of the control switches can be checked and the brightness of the LCD can be adjusted.
Control Switch Check
Selecting Key Function on the display unit functions menu brings up a menu with three items:
- Key
- This item allows the operation of the push switches to be checked. While a switch is pressed, a corresponding value is shown. The values for the push switches are as follows:
- 01 - Mute switch
- 02 - Re-Rte switch
- 03 - Menu switch
- 04 - Repeat switch
- 05 - Rotary controller pushed
- FE - Multiple switches pushed
- FF - No switch pushed
- OBM increment sensor - This item allows the rotary operation of the rotary controller to be checked. The value should decrease when the rotary controller is turned clockwise and increase when the rotary controller is turned anti-clockwise
- Radio increment sensor - No value for this item will register on the Discovery II system.
If there are no inputs on the switch pack for 3 seconds, the Functions item becomes active. Selecting < Return returns the system to the service mode menu.
Brightness
Selecting Brightness on the display unit functions menu produces a menu with a slider bar. Turning the rotary controller moves the slider up and down to adjust the brightness of the LCD. Pushing the rotary controller accepts the new brightness setting.
Selecting < Return returns the system to the service mode menu.