testo 622 Manual De Instrucciones página 37

Displaying pressure values and set height above sea level
To change the display between absolute pressure, barometric
pressure and set height above sea level:
> Press [hPa].
Acknowledging an alarm
Alarm was triggered:
-LED flashes
-The alarm value that was exceeded or undershot flashes
To clear an alarm:
> Press [Alarm].
- Alarm is cleared
7 Maintaining the product
Changing batteries/rechargeable batteries
CAUTION
Incorrectly inserted batteries / rechargeable batteries can
damage the instrument!
> Observe the polarity when inserting the batteries /
rechargeable batteries.
1. Open the battery compartment on the rear of the instrument.
2. Remove spent batteries / rechargeable batteries from the
battery compartment and insert new batteries / rechargeable
batteries (type AA)
- Instrument turns on automatically.
3. Close the battery compartment.
With the alarm activated and a change to the setup menu,
the current alarm is acknowledged.
If the power supply is interrupted the settings are being
saved for at least 3 min.
If the instrument is not used over a longer period, the
batteries/rechargeable batteries should be removed from
the instrument to prevent damage to the instrument and the
batteries/rechargeable batteries.
7 Maintaining the product
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