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6.2.1. Power button :
Press the “ ” button to turn the power on.
Press the “ ” button again to turn the power OFF and the meter will
go into sleep mode.
6.2.2. Max. and Min button:
Press the “ ” button to display the max. or min. reading.
Press and hold the “ ” button for 1 second to read the max. value.
Press the button one more time to read the min. value.
Press and hold the “ ” button for more than 1 second, and max.
and min. mode turns off and the 510 returns to normal operation.
When the “ ” button is active, the “ ” button is disabled.
6.2.3. BTU (ft2*h) / W/m2button :
Press the “ ” button to turn power on. The screen displays BTU
(ft2*h). Press the “ ” button to switch from BTU (ft2*h) to W/m2.
Pressing the button again returns the unit to BTU.
6.2.4 Data hold button :
Press the “ ” button to go into hold mode, and “ D-H ” appears
on the screen and the data on the display is frozen. Press this button
once again to deactivate data hold and return to normal operation.
6.2.5 Auto Range button :
The ” button allows the range to be changed from 199.9 to 1999
and back again. If a measurement is being made and “OL” is displayed,
press the button to switch to the higher range.
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