JJC JM-II Series - Bulb Shutter Function

2. Then full press while holding the shutter button of transmitter until the transmitter LED
light OFF, the receiver will now lock the shutter for continuous shot.
3. To release the shutter lock, press the shutter button of the transmitter again, the
receiver will unlock the shutter. Then you will get plenty of pictures.
 Bulb shutter function
1. Shift the mode dial of the transmitter to single shot section while select the camera to
BULB mode. Half press the shutter button of transmitter to focus.