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Setting the difficulty level
The training programmes offer you 3 and/or 5 different difficulty
levels.
Press the
>
button
w
to switch up to the next difficulty level.
If the highest level was already set the device will switch back
to the lowest level.
The bar indicator
2&
in the display
q
shows you the currently
selected difficulty level. The display of only
one
bar indicates the
lowest difficulty level, if the display
q
shows 3 and/or 5 bars, this
is an indication of the highest difficulty level.
Muting the acoustic function
The acoustic function acknowledges every press of a button with a
short beep sound and after your answer entry, plays a short theme
music depending on wether the entry was correct or not.
To switch the device's acoustic function on or off press the
>
button
r
.
When the acoustic function is active the symbol lights up in the
display
q
.
When the function is switched off the symbol lights up in the dis
-
play
q
.
The training programme in particular
Here you learn details pertaining to the training programmes.
G 1 - Basic calculation operations
To select this programme press the button G 1
>
j
. In the display
q
the first calculation task appears. Thereby the strokes in the an
-
swer indicator
2%
show how many digits the correct answer has.
Summary of Contents for KH 2283
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