Delta OHM HD32.2, Manual

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10. B
ATTERY SYMBOL AND BATTERY REPLACEMENT
– M
AIN POWER SUPPLY
The battery symbol
on the display constantly shows the battery charge status. To the extent that batteries have dis-
charged, the symbol "empties". When the charge decreases still further it starts blinking.
In this case, batteries should be replaced as soon as possible.
If you continue to use it, the instrument can no longer ensure correct measurement and turns
off.
Data stored on memory will remain.
The battery symbol becomes
[ ≈ ]
when the external power supply is connected.
To replace the batteries, go on as indicated below:
1.
switch the instrument off;
2. disconnect the external power supply, if connected;
3. unscrew the battery cover counter clockwise and take out the battery holder.
4. replace the batteries (4 1.5V alkaline batteries – 1.5 V AA type). Check that the battery polarity
matches the indication on the battery holder;
5. Replace the battery holder and screw the cover on clockwise.
The instrument can be powered by the main using, for example, the stabilized power supply
SWD10 input 100÷240Vac output 12Vdc – 1000mA. The positive connector is in the middle.
The external diameter of power supply connector is 5.5mm, the internal diameter is 2.1mm.
Warning: The power supply cannot be used as battery charger. If the instrument is connected
to the external power supply, the [
≈ ]
symbol is displayed instead the battery symbol
.
Malfunctioning upon turning on after battery replacement
After replacing the batteries, the instrument may not restart correctly; in this case, repeat the opera-
tion.
After disconnecting the batteries, wait a few minutes in order to allow circuit condensers to dis-
charge completely; then reinsert the batteries.
10.1
WARNING ABOUT THE BATTERIES USE
•
Batteries should be removed when the instrument is not used for an extended time.
•
Flat batteries must be replaced immediately.
•
Avoid loss of liquid from batteries.
•
Use waterproof and good-quality batteries, if possible alkaline. Sometimes on the market, it
is possible to find new batteries with an insufficient charge capacity.