User Manual

4.4 Adjust Color Temperature (2500 – 6500)
Push and release the Mode knob, the display shows the 4 digit color
temperature (2500 – 6500).
4.5 Automatic Lighting Track (ALT) Operation
Automatic Lighting Track (ALT) Operation will keep constant illumination on the
subject when the distance between it and the OM4 LED Ring Light changes.
ALT reacts faster than the aperture controlled exposure of most video and
HDSLR cameras.
Turn OM4 ON
With the OM4 turned on, place it at the maximum distance you intend to shoot from your
subject. Set the intensity knob to 100. Your minimum shooting distance will be one half of
your maximum.
Indications
If the digital display shows “HI”, you are too close to your subject and you need to move
away.
If the digital display shows “Lo”, you are too far from your subject and you need to move
closer.
4.6 Pre-set Mode (P)
In Pre-set mode light intensity and color temperature may be saved for later
use. There are 8 Pre-sets, labeled P1, P2, . . . P8, that can be quickly recalled
when needed.
To enter Pre-set mode,
Push the Mode knob down until P-on
appears in the display (approx. 2s)
To recall Pre–sets
Rotate the Mode knob to scroll through P1 – P8, then push and release the
Mode knob.
The color temperature for that pre-set will display for 1 second, then the light
intensity will be displayed.
Adjusting your Pre-sets
Once you have located a Pre-set P1 – P8, you can adjust and store the color
temperature and light intensity.
Push and release the Mode knob to adjust the desire light intensity (see 4.3)
Push and release the Mode knob to adjust color temperature (see 4.4).
Push and release the Mode knob to show current Pre-set number.
(rotate adjustment to select a different Pre-set number if desired)
.
Press and hold the Mode knob, Pre-set number will blink.
When number stops blinking the settings
have been saved.
To exit Pre-set Mode:
Push and release Mode knob to show current Pre-set number.
Rotate the Mode knob until the display shows Poff.
Push and release the Mode knob to exit.
Adjust the color temperature
Turn the Mode knob clockwise to increase the
color temperature (towards cool), count-
clockwise to decrease the color temperature
(towards warm).
Turn ON ALT
While aiming at your subject, momentarily push the
Power button one, or more times, until the display
shows “Auto”.
Turn OFF the ALT
Push the Power button once. The display will
show the light intensity level.
3500
P-on
P3
P3
Poff