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SECTION 2 – SWITCH FUNCTIONS
Pressing the ON/OFF key switches the instrument ON. Hold down
the key for 2 seconds to switch the unit OFF. The unit will
automatically power off after 30 minutes without any key presses. To
disable auto power-off, hold down the power button during turn-on. The unit
will flash AOFF, which means that the auto power-off has been disabled. The
auto power-off is re-enabled each time the instrument is turned on.
Press the BACKLIGHT key to turn the LCD backlight on for 30
seconds. To turn the backlight on permanently, hold the backlight key
down for 3 seconds. The LCD will flash. The backlight is now switched on
permanently. To switch the backlight off, press the backlight key again.
Press the FPM/MPS key to switch the measurement units from FPM
(feet per minute, 1 FPM resolution) to MPS (meters per second, 0.01
MPS resolution).