Testo testo 476 Tachometer, 30 - 12 500 rpm 0563 4760 Data Sheet

4. Overview

7















On/Off  



Flash Adjustment Knob adjusts the flash rate. The
speed with which the flash rate changes is controlled by
how quickly the knob is rotated:
Quick rotation = flash rate changes in large 

increments.

Slow rotation = flash rate changes in small 

increments.



LCD display shows flash rate (flashes per minute =
FPM). 



Low Bat indicator will light up when the battery needs
charging.



Power supply socket (incl. battery charging)



The External Trigger Jack is used when employing an
external sensor to control the flash rate.



EXT illuminates when External Trigger Jack is plugged.



Lanyard can be looped on a belt or used as a wrist
strap.



Front Bezel Screw is removed in order to replace the
flash tube.





Underside:

Close-up of LCD:

