Instructions for use
1. Pointer display window: Indicate the built-in battery voltage 5 seconds before starting up, and then indicate the signal strength.
2. Cursor display: single display has signal, continuous full display means there are missing points.
3. Bandwidth display window: A dual-digit digital tube is used to display 1-16 step-adjustable bandwidth.
4. Gain adjustment knob: increase or decrease sensitivity. Used to increase or decrease the intensity of the collected signal. Up or down keys can increase or decrease the bandwidth of the amplifier, and the bandwidth value can be displayed through the digital tube.
5. Switch key: After plugging in the probe, switch the key to turn off or open the leak detector.
6. Bandpass adjustment key: press the down key to decrease the number; press the up key to increase the number, 1-16 adjustable.
1-5 is narrowband, 6-11 is medium bandwidth, 12-16 is bandwidth
7. Charging and vibration pickup jack: one hole for dual purpose, located on the right side.
8. Headphone jack: located on the lower right side.