Checkline QB-LED - Manual (Page 15)

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4.6 Operating Modes
The following operating modes may be displayed:
No. Position of the
Selector Switch
(E)
Adjustable
Parameters
Description Display
Battery Status Fully charged.
Battery Status Half charged.
Battery Status Low (symbol will flash).
LASER / EXT /
SLOW
The trigger frequency is below the
measurement range
LASER / EXT /
SLOW
The trigger frequency is above the
measurement range
NOTE: The symbol of a parameter that differs from the factory settings will flash
during operation. The stroboscope will be automatically switched off after 15 minutes of
running on battery power.