1.2.6
Keyboard
The keyboard contains:
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4 blank function keys to select the various menus shown on the screen.
Note: for the purposes of this manual, the keys are referred to as F1, F2, F3 and F4 but
are not labelled on the unit.
•
A navigator:
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A cancel key:
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A Start/stop key for the unit and back-lighting on/off key:
A short push switches the unit on. During operation, a short push switches the back-
lighting on or off. A long push of 2 seconds switches the unit off.
•
12 alphanumeric keys for programming the parameters.
•
An LED to indicate the state of charge of the battery: