Delta OHM HD2205.2, Manual

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B
ACKUP BATTERY REPLACEMENT
The instruments are fitted with a backup battery that maintains the configuration data in the mem-
ory and ensures the functioning of the clock without power supply.
The battery operates only when the instrument is not powered by the mains. The low power con-
sumption ensures a long life of the battery.
The battery charge status is constantly monitored: When the battery is low, the BACKUP
BATTERY LOW!!! message is displayed: The battery must be replaced as soon as possible.
The 3.6V type ½AA Lithium battery (diameter x length = 14mm x 25mm) with axial rheophores: In
the following picture is shown a battery in its correct position, the positive pole is directed down-
wards.
Before replacing the discharged battery, complete the logging operations in progress, and
turn the instrument off.
To avoid losing the configuration data, the battery change should not take over one minute ,
otherwise the instrument has to be reconfigured.
Procedure
1. Unscrew the 6 screws on the back.
2. Lift the front making sure the flat cables
that connect the various instrument parts
are not disconnected.
3. Cut the rheophores of the new battery to
a length of about 15 mm.
4. Cut the strip blocking the discharged bat-
tery to the printed circuit.
5. Remove the discharged battery.
6. Put the new battery in making sure the
polarity is correct : the negative pole is
directed toward the back .
7. Fix the battery with a new strip.
8. Close the instrument back using the 6
screws.
Internal view of the instrument