3.11. Data holding, B/L
Press the “Hold B/L” switch, the presently measured value is held on LCD, press it again, the function is
cancelled. Press “Hold B/L” key to turn on the backlight
3.12. Automatic power off
• The meter will be into sleeping mode when it works for (15±10) minutes. Press “POWER” key twice to
restart the power.
3.13. Hot Wire Test
• Insert the red test lead into the ΩHzV terminal and the black test lead into theCOM terminal.
• Set the knob to TEST range, and set the red test lead to the tested circuit.
• If LCD displays “OL” and the light and sound alarming, it means the circuit of the red test lead tested
is hot wire, if there is no any response, it means it is neutral wire.
Notes
• The function is only for testing AC (AC 110V~AC380V)
4. Maintenance of the Instrument
This instrument is precise, and users shall never change its circuit at random.
• Protect the instrument from water, dust and hurl-down.
• Never store or use the instrument in high-temperature, high-humidity, flammable, explosive and
strong-magnetic-field environment;
• Please clean the outer surface of the instrument with wet fabric and gentle detergent, instead of grinding
additives and strong solvents like alcohol, etc.;
• If the instrument is left unused for long term, the battery shall be taken out in order to avoid that the
instrument is eroded by battery weeping;
• When
symbol displays, should replace the battery.
• For replacement of fuse, please use fuse of the same specification and model.
Notes
• Don’t connect the voltage higher than DC1000V or AC750V peak value;
• Don’t use this instrument is the batteries are not installed or the back cover is not fastened;
• Please move the testing probes from tested points and shut down the machine before replacement of
batteries or fuse.
