Hanna-instruments HI 96750 Uživatelský manuál stáhnout pdf (Strana 21)

• Press ZERO/CFM to restore the factory

calibration or press RANGE/GLP/ again

to abort factory calibration restore.

• Press READ/ /TIMER to enter in the

factory calibration restore screen. The

instrument asks for confirmation of user

calibration delete.

• The instrument briefly notifies “done”

when restores factory calibration and

returns to

measurement mode

BATTERY MANAGEMENT

To save battery, the instrument shuts down after 10 minutes of non-use in

measurement mode

and after 1 hour of non-use in

calibration mode.

If a valid measurement was displayed before

auto-shut off, the value is displayed when

the instrument is switched on. The blinking

“ZERO” means that a new zero has to be

performed.

One fresh battery lasts for around 750 measurements, depending on the light level.

The remaining battery capacity is evaluated at the instrument startup and after each measurement.

The instrument displays a battery indicator with three levels as follows:

• 3 lines for 100 % capacity

• 2 lines for 66 % capacity

• 1 line for 33 % capacity

• Battery icon blinking if the capacity is under 10 %.

If the battery is empty and accurate measurements can’t be taken anymore, the instrument

shows “dead batt” and turns off.

To restart the instrument, the battery must be replaced with a fresh one.

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Hanna-instruments HI 96750 Uživatelský manuál Strana 21