Instruction Manual

17
Releasing the Power Switch will trigger the auto shut off
feature to activate.
3. USB Mode
The Measurement Mode Selector Switch is set to USB mode (USB mode).
The USB mode is displayed on the LCD
screen.
Please refer to the DT-209X API Section of this
manual under USB Mode for additional
information.
The Power switch and Unit
Selector Switch becomes
inactive from the DT-209X. All
controls are transferred to the
host PC.
The auto power off feature will
not work in USB mode. Power
for DT-209X is switched from
battery to USB.
Memory Function
The DT-209X can store measured data on the tachometer. Memory recall after
the auto power off is activated is possible.
1. Standard mode
The figure on the left indicates that the
tachometer stops measuring. The unit of
measure stops flashing when the power
button is released.
RPM
1234