CROLED RL720 Manual Download Page 7

6

Function And Operation

Mounting Cellphone
Install the hot-shoe mount on ring light and tighten it firmly. Secure the cellphone in the phone 

holder. Please keep an eye on it during the operation to prevent it from falling.

Brightness Control
The brightness can be adjusted by brightness control. Rotate the knob to adjust its brightness 

from 0% to 100%. LCD screen displays the brightness from 10 to 99 meaning different levels of 
light brightness. 

Brightness Control

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