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12
12
seconds,
and the max/min/ave symbols will disappear in LCD.
3.10. Turning On/Off Tachometer
Press any button will turn on the power of tachometer. To turn off the
power of tachometer, press and hold the START button until word "OFF"
is displayed in LCD. Then release the START button.
3.11. Disable Auto-Power-Off Function
If tachometer is in auto-power-off mode, only the minutes will be
displayed. And tachometer will be turned off in 30 minutes. To disable
the auto-power-off function, press and hold the UNIT button (left button)
for 2 seconds until the hours is displayed.