GE b30, Technical Reference Manual

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Keyboard
5-11
Document no. 2044677-001
3 Keyboard
3.1 Keyboard Log
Keyboard
The service menu for testing the command board
functions.
Upper Led is for testing the upper alarm LED (red)
on the command board. When the text is
highlighted, the upper alarm LED can be turned
on and off by pressing the ComWheel.
Lower Led is for testing the lower alarm LED
(yellow) on the command board. When the text is
highlighted, the lower alarm LED can be turned on
and off by pressing the ComWheel.
Dummy Press is for testing the ComWheel. When
the text is highlighted, pressing the ComWheel
creates a sound from the loudspeaker and the
corresponding number on the service data field
increases.
Service Data
Message Count counts the number of messages
that are sent out to the main CPU board.
Leds upper and lower indicate the states of the alarm LEDs on the command board.
Direct action keys texts are indications to the command board membrane keys. When a key on the
command board is pressed, the corresponding text in the menu changes its colour.
Control wheel, Press counts the ComWheel pressings.
Control wheel, Clockwise and Counter clockwise indicate the ComWheel turnings.
Keyboard Scroll Log
All the keyboard presses and the commands
given by the ComWheel are recorded in the
Keyboard Log. The keyboard log is saved in the
permanent memory of the monitor. The length
of the log is 80 events. The log is FIFO type.
Scroll Stat enables to scroll the keyboard
events.