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GMH 3331
Operation and maintenance | 7
B-H77.0.01.DB2-1.0
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7 Operation and maintenance
7.1 Operating and maintenance notices
NOTE
Plugs and sockets must be protected from soiling.
NOTE
If the product is stored at a temperature above 50 °C, or is not used for an extended
period of time, the batteries must be removed. Leaks from the batteries are avoided as
a result.
NOTE
The product, measuring sensor and temperature probe must be handled with care and
used in accordance with the technical data. Do not throw or strike. Contaminants can
influence the measurement negatively. Use of an unsuitable measuring sensor or tem-
perature probe can damage said devices or the product.
NOTE
The product must be switched off to change the measuring sensor, the temperature
probe, electrode, interface or mains adaptor. It must not be disconnected by pulling
the cable; pull the plug only.
7.2 Battery
7.2.1 Battery indicator
If the
BAT
display text appears in the main display, the battery voltage is no longer ad-
equate for operation of the product. The battery is fully depleted.
If
BAT
appears in the display with a warning triangle, the battery is low and should be
replaced soon. However, the device will still operate for a certain length of time.
7.2.2 Changing battery
Description
Proceed as follows to replace the batteries.
Prerequisites
– The product is switched off.
Instruction
1. Open the cover of the product by carefully pushing it back and away from the
product.
2. Pull the battery out of the compartment and disconnect it.
3. Ensure correct polarity when replacing the battery!
4. Insert the battery in the compartment. Then position the cover correctly and slide it
in until it engages.
Outcome of an action
The product is now ready for use again.