3. Power knob/Sensitivity Knob
Turn the knob upwards to activate the receiver's power and
increase its sensitivity
When the receiver is on, turn the knob downwards to decrease
the sensitivity and eventually turn off the receiver.
4. Mode Indicator
The mode indicator is a dual-color LED, blue indicates digital wire
tracking mode and green indicates analog wire tracking mode.
5. Received Signal Level Indicator
The stronger the detected signal, the more the lit LEDs.
6. Illumination Button/Mode Switch Button
Press and hold this button for about 2 seconds to turn the
illumination lamp on or off.
Press this button briefly to switch between digital and analog
wire tracking modes.
7. Headphone Jack
Used to connect the headphone for monitoring signal changes in
noisy environments (supports mono headphones only).
8. Probe
The sensing/detecting part of the receiver.
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