
6
VI. Operation
1. Power on/off:
Open the battery compartment cover on the back of the shell, install batteries. Long press
the power button to turn the unit on or off. After 3 seconds, the device will start and the
initial value of 4000 FPM will be displayed. If measurement data has been stored after
previous use, the latest measurement data stored will be displayed.
2. Switch on the backlight:
Long press the “FINE/BL” button to activate the backlight, long press this key again to
deactivate the backlight.
3. Switch on the light source: (Hold the STROBE button)
Flashing will begin when the device is powered on and the “TEST” button is held.
4. Tuning switch: (FPM mode only)
After you start the device, the “FINE/BL” button under FPM mode allows you to switch
between coarse and fine tuning. In the case of fine-tuning, the “FINE” icon will appear on the
left top of the display. In the case of coarse tuning, no prompt will appear.
5. Single-step regulation of rotation speed:
The “UP” button or the “DOWN” button controls the value of rotation speed will increase or
decrease according to the step values described earlier in this manual.
6. Regulating the flashing frequency:
The device can also scan through speed settings continuously. Hold the “UP” or “DOWN”
button, and the device will begin scanning.
In coarse mode, the device will automatically increase or decrease by 100FPM (when the
tuning range≥1000FPM) or 10FPM (when the tuning range <1000FPM) every 0.2s.
In fine mode, the device will automatically increase or decrease by 1FPM (when the tuning
range≥1000FPM) or 0.1FPM (when the tuning range<1000FPM) every 0.2s.
Once you release the button, the device will stop scanning
*
(Regulation limits: In any mode, when the upper limit of 40000FPM / 665FPS is exceeded,
the device will automatically remain at the 40000FPM / 665FPS. When the speed is lower
than the lower limit of 60FPM / 1FPS, the device will automatically remain at 60FPM / 1FPS.)
7. Data storage function:
After adjusting the speed, press the “MEM” button in the center of the device panel to store
the current value. The next time the device is started, the latest measurement data stored will
be displayed. After saving, the pre-set data stored in the device can be retrieved at any time.