Note
• Do not start the engine during test, or the instrument will be
damaged.
Battery charging test
For testing if the charging system operates normally.
1. Set the rotary switch to 20 VDC position.
2. Insert the red test lead into the V terminal and the black test lead
into the COM terminal.
3. Connect the black test lead to the battery negative pole and the
red to the positive pole.
4. Run the engine idle and close or turn off accessories as light, fan,
radio etc. Voltage would be 13,2 V to 15,2 V.
5. Open the throttle to 1800 RPM to 2800 RPM. The voltage would
increase max 0,5 V.
6. Turn on driving lights, fan, windscreen wipers etc. and increase
the loads of the electric system. The voltage would not be less
than 13,0 V if the charging system works properly.
Replacing the Battery
1. Disconnect the connection between the testing leads and the
circuit under test when battery indicator appears on the display.
2. Turn the Meter to OFF position.
3. Remove the screw, and separate the case bottom from the case top.
4. Replace the battery with a new 9V battery (NEDA 1604 or 6F22
or 006P).
5. Rejoin the case bottom and case top, and reinstall the screw.
Replace the fuse
1. Disconnect the connection between the testing leads and the
circuit under test.
2. Turn the Meter to OFF position.
(see fig 6)
(see fig 7)
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