Instructions For Use; About The Keys - East Tester ET-AY30 User Manual

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Instructions for use

The installation shall be carried out in accordance with the

relevant provisions of GB3836.15-2000 "Electrical equipment
used in explosive gas environment -- part 15: electrical
installation in dangerous places (excluding coal mines)".
Pay attention to the battery indicator icon on the upper right of

the screen. When the battery indicator icon shows only one grid,
please connect the power adapter to charge in time. Charging
should be done under the condition of good ventilation and no
gas leakage, and use the manufacturer's original power adapter.
Connecting RS232 communication cable in explosive gas

environment is prohibited.
Do not replace the components or structures without permission,

so as not to affect the explosion-proof performance.
 Avoid long-term overpressure, so as not to damage the pressure
sensor.
 To avoid damaging the mechanical parts of the pressure
calibrator, do not apply torque between the housing and the
pressure connection.

3 About the keys

"LIGHT"
backlight brightness; long press the key to turn on/off the pressure
calibrator;
Backlight key: short press the key to quickly adjust the
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