APPA 30R - Front Panel Controls; ZERO and Selection Switches; Trigger and Jaws; Hand Guard

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6. ZERO Switch —This switch is used to ZERO the reading on display.
7. Ω / ; AC/DC Selection Switch — Push the "Ω / ;, AC/DC" switch alternately to measure AC voltage or DC
voltage in the " V H " function or to measure AC current or DC current in the " A H " function or to measure
resistor or continuity in " Ω;" function.
Auto power off disable mode — Press this switch until slide the function switch power on for 1 second it will
cause the auto power off function disable.
8. Trigger — Press the lever to open the transformer jaws. When the pressure on the lever is released , the jaws
will close again.
9. Hand Guard — Designed to protect user for safety.
10. Transformer Jaws — Designed to pick up the AC/DC current flowing through the conductor.