User Manual
3.0 Mounting & Power Accessories 
3.1 Mounting 
QF29 – for under camera mounting OM42 – for twin rail mounting 
3.2 Power 
AC Power – OM44 (provided) 
DC Power 
V Mount Battery – using OM41 power cable 
Quantum QB8, T3 – using OM43 power cable 
4.0 Operation 
4.1 Connections  
4.2 ON / OFF 
4.3 Adjust Light Intensity (0 – 100%) 
Push and release the Mode knob, the display shows the intensity 0 – 100%. 
On 
Press and hold the Power 
button until the digital display 
shows “ON”. The OM4 light 
output will gradually increase 
to the last intensity setting 
used. The intensity level (0 – 
100) will appear on the 
display. 
Off 
Press and hold the Power 
button until the digital display 
shows “OFF”. The OM4 light 
will gradually dim. 
Connect a power 
source to the Omicron 
4. See Section 3.2 for 
a list of power sources. 
The digital display shows 
“rdY” and will blink once per 
second. The OM4 is ready to 
operate. 
If the digital display blinks “Lb”. 
It indicates the voltage of the 
power source is too low to 
operate. Check the battery 
pack operation. 
The battery may need charging 
75 
Adjust the light intensity 
Turn the Mode knob 
clockwise to increase the 
light intensity, count-
clockwise to decrease the 
light intensity. 
Power button 
Mode Knob 




