The Other YN-622C User Guide v.4.09
11/12/2014
Part II – 622C Transceivers Page 33 of 64
Group Indicators
There are two independent Group types:
Receiver Group
Test Firing Group
• Each current Group setting is remembered at power-down.
• An on-TX flash has no group indication. It is deemed to be in Group A, and uses Group A’s
settings.
Receiver Group
Each 622C can belong to only one selected Receiver Group: A (default), B or C.
• Set while in standby mode.
• The Receiver Group is displayed briefly at start-up, and when [GP] is pressed.
• While receiving, the Receiver Group LED will wink.
GP LED Receiver Group Notes
A A
A
A
B
B
B
B
C
C
C
C
Test Firing Group
When [TEST] is pressed, flashes are awakened; and when released a test flash is fired.
• Select Test Firing group by holding [TEST] and pressing [GP] repeatedly.
• The default test group is ABC.
• Testing includes connection through the PC-sync port.
• An on-TX flash will be included in the transmitter 622C’s Receiver group, which may be
Receiver Group A, B or C.
GP LED Test Groups
A A
A
A
A
A
A
B
B
B
A
A
A
C
C
C
A
A
A
B
B
B
C
C
C
B
B
B
B
A
A
A
B
B
B
B
B
B
C
C
C
A
A
A
B
B
B
C
C
C
C
C
C
C
A
A
A
C
C
C
B
B
B
C
C
C
A
A
A
B
B
B
C
C
C
Camera Firing Group
When a 622C Transmitter is activated by pressing half-shutter or opening an External flash menu,
the GP LEDs indicate the camera’s Firing Group setting as shown in the Menu.
• The Firing group is set using the camera’s External Flash/Wireless menu settings.
• Canon does not provide for just A or B or C.
• Groups A and B are always enabled.
GP LED Firing Groups Notes
(None) Wireless Off
All, no Groups
A
A
A
A
+
+
+
B
B
B
+
+
+
C
C
C
All, Single Group
B
A
A
A
:
:
:
B
B
B
Two Groups
C
A
A
A
:
:
:
B
B
B
C
C
C
Three Groups