Cactus V5 User Manual - page 18

18

3. Flash Not Triggered / Shutter Not  

Released

LED BLINkS? POSSIBLE CAUSE

SOLUTION

TX: No 

RX: No

1. Poor battery 

contact or 

battery out of 

power on TX

- Replace batteries on TX 

and retry

2. Shutter speed 

is faster than 

the camera’s 

x-sync  

limitation

- Adjust the camera’s  

shutter speed to the 

maximum supported x-

sync speed

TX: Yes 

(GREEN) 

RX: No

1. Poor battery 

contact or 

battery out of 

power on RX

- Replace batteries on RX 

and retry

2. Channel mis-

match

- Ensure both transceivers  

are set to the same 

channel

3. Background 

radio  

interference

- Set both transceivers to 

another channel 

- Change setup location as 

interference may come 

from other equipment in 

the surrounding area

4. Beyond 100m  

effective 

range

- Make sure TX and RX 

transceivers are placed 

within 100m (328 ft) of 

each other

Note:

 The effective 

range of 100m (328 ft) 

may not be achieved in 

the presence of radio 

interference