GVM -680RS Manual page 15

In APP mode, connect to APP and adjust hue through APP.
⑥ Adjust SAT: range 0%~100%
In Master mode / Rotate mode, short press the composite knob to switch
the light mode to SAT, and then turn the composite knob button to adjust
the color purity.
In APP mode, connect to APP and adjust SAT through APP.
⑦ Adjustment scene (SC): range 1~8
In Master mode/Rotate mode, long press for 3 seconds and press the
composite knob to enter/exit scene light (SC) mode. At this time, short
press the composite knob to select scenes, all scenes can be adjusted
by rotating the brightness adjustment knob; the current scene When it is
scene No. ⑤, turn the compound knob to adjust the color temperature;
when the current scene is scene No. ⑥ or ⑦, turn the compound knob to
adjust the time. (Other scenes can only adjust the brightness).
In the APP mode, connect to the APP and adjust the scene through the APP.
⑧ Adjust CH: range 1~12
In Master mode/Slave mode, tap the plus/minus key to set the channel value.
In APP mode, connect to APP and set the channel value through APP.
⑨ APP control:
Switch the photography light to the APP mode, connect the Bluetooth of the
camera light through the mobile phone, and then use the APP to control the
brightness, color temperature, hue, sat, scene, channel, and on/off of the
camera light. If there is a slave, you can also go through the APP Perform
online control.
13