MZC-304
– USER MANUAL
28
5
Power supply of the meter
5.1 Monitoring of the power supply voltage
The charge level of the batteries or rechargeable batteries is indicated by the symbol in the right
upper corner of the display on a current basis:
Batteries charged
Batteries discharged
Replace or recharge the batteries!
Note:
The
symbol in the display means that the supply voltage is too low and indicates that the bat-
teries must be replaced or recharged,
Measurements performed with an insufficient supply voltage feature additional errors which the
user is unable to evaluate.
5.2 Replacement of batteries
The MZC-304 is powered by four LR6 batteries or AA size rechargeable batteries. They are placed
in the compartment at the bottom of the enclosure.
WARNING:
Before replacing the batteries, disconnect the test leads from the meter.
To replace the batteries:
1. Disconnect the leads from the measuring circuit and turn off the meter;
2. Remove the screw that secures the battery cover (the bottom of the enclosure);
3. Replace all batteries. Observe the correct polarity when putting new batteries ("-" on the elastic
part of the contact plate). Reversed polarity will not damage the meter or the batteries, but the
meter will not work;
4. Place and tighten the battery compartment cover.
NOTE!
After replacing the batteries, always set the power supply type in the main MENU.
The correct charge indication depends on this setting (the discharge characteris-
tics of disposable and rechargeable batteries are different).
NOTE!
Have the meter serviced in case of battery leakage inside the compartment.
Batteries must be recharged in an external charger.
