PNI JL269, Руководство пользователя

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4.4 Battery voltage check
In detecting status, by pressing both and buttons, the user
can check how much voltage left in the battery. LED lights flash. The voltage
left is equal to the quantity of the LED lights. Press both and
buttons again, the detector will return to the detecting status.
Moreover, the user can also check the voltage by the color of
“ Power” light.
4.5 Open /
close audible
alarm
In detecting status, the initial setting of audible alarm is on. The more
gas leaks, the higher the audible alarm frequency will be. If the detecting
spot is too noisy, operator can use the earphone purchased by himself.
Press button can open or close the audible alarm function.
4.6 Set present level as reference basis
The gas concentration of the detection field is in gradient distribution.
In order to find the gas leakage source precisely, during detecting, the user
can set the present level as reference basis by pressing button.
4.7 Turn off the detector
Press both and buttons, the detector will be turned off.
5. Calibration
In order to assure the accuracy, it’s suggested to re-calibrate the detector
once every 6 months.
Calibration procedure:
Hold both and buttons to turn on the detector and the
detector will enters into calibration warm-up period. LED lights flash in
turns showing the warm-up period which will be about 3 minutes.
Color Voltage
Green Enough
Yellow Not enough
Red Low voltage, need charge
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