- 32 -
7.
BATTERY
SYMBOL
AND
BATTERY
REPLACEMENT,
MAINS
POWER
SUPPLY
The battery symbol
on the display constantly shows the battery charge status. To the extent that batteries have
discharged, 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.
Data stored on memory are maintained even without power supply. When the symbol is completely
empty, the instrument shuts off.
The battery symbol becomes
[~]
when the external power supply is connected.
To replace the batteries, proceed as follows:
1.
Switch the instrument off;
2.
Disconnect the external power supply, if connected;
3.
Unscrew the battery cover screw counter clockwise and take out the battery holder;
Do not pull
the battery connection wires as they could break
;
4.
Replace the batteries (4 1.5V alkaline C-BABY batteries). Check that the battery polarity
matches the indication on the battery holder;
5.
Replace the battery holder and fasten the cover’s screw clockwise.
6.
Update the clock.
The instrument can be powered by the mains using, for example, the stabilized power supply
SWD10 input 100÷240Vac output 12Vdc – 1A.
The power supply positive (pole) must be connected to the central pin.