Lcd Backlight Button; Automatic Power Off - Extech Instruments EX810 User Manual

Data Hold
Peak Hold
MAX/MIN
Temperature Units (˚F / ˚C)

LCD Backlight Button

Automatic Power OFF

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To freeze the LCD reading, press the HOLD button. While data hold is active, the HOLD icon
appears on the LCD. Press the HOLD button again to return to normal operation.
The Peak Hold function captures the peak AC or DC voltage or current. The meter can capture
negative or positive peaks as fast as 1 millisecond in duration.
1. Turn the function switch to the A or V position.
2. Allow time for the display to stabilize.
Press and Hold the PEAK button until "CAL" appears in the display. This procedure will zero
3.
the range selected.
Press the PEAK button, Pmax will display.
4.
5. The display will update each time a higher positive peak occurs.
Press the PEAK button again, Pmin will display. The display will now update and indicate the
6.
lowest negative peak.
To return to normal operation, press and hold the PEAK button until the Pmin or Pmax
7.
indicator switches off.
Note: If the Function switch position is changed after a calibration the Peak Hold calibration must
be repeated for the new function selected.
Press the MAX/MIN key to activate the MAX/MIN recording mode. The display icon "MAX" will
1.
appear. The meter will display and hold the maximum reading and will update only when a new
"max" occurs.
Press the MAX/MIN key and "MIN" will appear The display icon "MIN" will appear. The meter
2.
will display and hold the minimum reading and will update only when a new "min" occurs
Press the MAX/MIN key and a blinking "MAX MIN" will appear. The meter will display the
3.
present reading, but will continue to update and store the max and min readings.
To exit MAX/MIN mode press and hold the MAX/MIN key for 2 seconds.
4.
The temperature units selection switch is located in the battery
compartment. To change the units, remove the battery door, lift out the
battery and set the switch for the desired units.
The LCD is equipped with backlighting for easier viewing, especially in
dimly lit areas. Press the backlight button to turn the backlight on. Press
again to turn the backlight off.
In order to conserve battery life, the meter will automatically turn off after approximately 25 minutes.
To turn the meter on again, turn the function switch to the OFF position and then to the desired
function position.
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