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18. LED Signal Guide
STATUS
INDICATOR ON TX INDICATOR ON RX
Flash triggering
Green
Shutter triggering
Green
Half-press auto
focusing
Orange
Power level
command received
N/A
Orange
Bulb mode
activation
Green (for 2 seconds)
Bulb mode
deactivation
Green
Low battery
Red (every 3 seconds)
Firmware update
mode
Red (every 0.5 second)
TTL pass-through
setup error
Red (every 0.2 second)
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