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V. Operation instruction
1. Power indicate/ battery test
The instrument has two ways to indicate the battery status.
One is permanent state. By leftmost LEDs indicate battery.
Specific instructions are as follows:
GREEN: normal battery power.
ORANGE: low battery, battery should be replaced as soon as possible.
RED: battery power is low, unable to work.
Another is battery test status. Press the battery test button to test the
battery. Three-color light-emitting diodes indicates the actual battery voltage.
(See figure 4)
If you press and hold the Battery Test button, display the battery voltage.
Release the battery test button to return to the normal state.
2. Automatic circuit / Reset function
The instrument has an automatic circuit, and a reset button, the
instrument can ignore environmental levels of refrigerant.
Automatic circuit - when you turn on the switch, the instrument ignores
refrigerant concentration of the environment, is set to zero. Only when the
concentration is greater than this level it warning.
Note: If the probe in leak position switched on, the leak cannot be
