Turnigy Optical Tachometer Manual
Input Voltage: DC6V – 9.6V (Alkaline Battery - 6LR61)
RPM Range: 1000 – 3600 (+/-40)
(3600 RPM needs minimum input voltage above 6.6V)
(3500 RPM needs minimum input voltage above 6.5V)
(3400 RPM needs minimum input voltage above 6.0V)
;Turnigy Optical Tachometer can provide the specific RPM (headspeed) through the “window”
and display the RPM on the LCD.
;The rocker switch controls the speed of RPM frame.
; Stand-by mode feature: Unit will automatically power off 45 seconds after rocker is
How to use:
;Remove battery cover and install a 9V Alkaline battery. (See Pic.2).
;Press the rocker switch “up” to increase RPM frame or “down” to decrease RPM frame.
;The RPM digit will show on the LCD. Wait until the “DOT” between digits disappears,
indicating that the RPM frame matches the LCD value.
;To check the RPM of the object, view the rotary object through the “window”. If the RPM
matches, the rotary object will appear stationary. If the rotary object does not appear
stationary, continue adjusting the RPM frame.
;After 45 seconds of inactivity, the unit will automatically power off.
;If the LCD displays a “Lo.bA”, please replace battery due to low input voltage (below 6V).
; Re-plug the Battery to “Reset” the Optical Tachometer (if needed).