20
R
ZENITH On Demand
Resetting dose counters
By pressing both keys and for more than 5
seconds, both dose counters are reset.
Function block
By pressing both keys and and releasing them,
all functions are blocked except the dose selection and
the dispensing start.
The display shows the symbol .
After having pressed the keys and , and
releasing them, all functions stop.
Enter service menu
If the key is pressed and hold when switching the appliance on , a
screen is entered where the following data are displayed:
Firmware version.
I and 2 dose total counter (cannot be reset)
The dispensing time counter in continuous mode (shown in
seconds) in the low middle of the other two counters (cannot be
reset)
The display brightness (contrast value) in the middle of the screen
adjustable by the keys
and .
PROGRAMMING
Factory reset
If the key kept pressed when switching the
appliance on all settings are reset to factory defaults.
The service menu counters are not reset.
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