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4.1: Groups of Keys and Auxiliary Keys
The keyboard layout will be described with the keys listed in groups. In each group
the functional description will move top down from left to right, where the keys
straight under the display are in the row number 1.
In the 3 and 4 matrices groups you can start a function by:
Press a key shortly
Press and hold a key
Press a key in level (layer) 2 or level 3
Use the shift key to change to level 2, 3 or back to base level. The shift-key is the
left key in row 1 in the 3 x 3 group. A short press activates the second level (“shift
2”) of functions connected to the keys and pressing long activates the third level
(“shift 3”). Press the shift key several times to switch between all the 3 levels. When
entering base level a short beep signal is played.
4.1.1: The 4 Auxiliary Keys
With respect to the XL product series, there are several settings on the 4 auxiliary
keys for different product types.
row 1
turn backlit display on/off
help mode on/off (type without backlit display)
row 2
increase volume
row 3
decrease volume
row 4
repeat input
4.1.2: 3 x 3 Group (from left to right)
row 1,
left key
short = change level
long = level 3
row 1,
middle key
short = recall memory
long = save value
level 2 = add value
row 1,
right key
short = delete/turn on
long = 1 step back
level 2 = delete 1 memory
level 3 = delete all
memories
row 2,
left key
short = square
long = to the power of
level 2 = announce time
row 2,
middle key
short = repeat/return
long = menu
level 2 = statistic mode
