protech QM7420 User Manual

10
4. Buttons
① Up button (for EMS,HAL,LAL)
② MODE button
(for cycling through the mode loop)
③ Laser/Backlight button
④ Down button (for EMS,HAL,LAL)
Functional Design
1. IN the hold time, MODE button to change
MAX/MIN/DIF/AVG.
2. To set values for the High Alarm (HAL), Low Alarm (LAL)
and Emissivity (EMS), press and hold the MODE button until
the appropriate code appears in the display, press the UP
and down buttons to adjust the desired values.
3.You can turn on/off the backlight/laser by pressing
Laser/Backlight button at any state.
MODE Button Function
Press the mode button also allows you to access
the set state,Emissivity(EMS),C/F, HAL
adjustment,LOW adjustment and TRIG. Each time you

protech QM7420 Specifications

General

Brand	protech
Model	QM7420
Category	Thermometer
Language	English