Yongnuo Speedlite YN968EX-RT for Cameras - Manual (Page 22)

0 : - Enabled Depth-of-field preview button
1 : - Enabled Test firing button
2 : / - Enabled with both buttons
3 : OFF - Disabled)
C . Fn - 03 : ( FEB auto cancel)
0: ON (Enabled) , 1: OFF (Disabled)
When the speedlite is not operated for 5 min., the power turns off
automatically to save energy. You can disable this function.
0: ON (Enabled) , 1: OFF (Disabled)
Long press the function button [ ] to enter into the custom function,
rotating the [ ] to choose the items which need adjusted. Then press the
[OK] button to enter into the program setting mode, rotating the [ ] to
select the option and press [OK] button. After finishing the custom settings,
press the function button [ ] return to the ready shooting state. press the
function button[P.FN]enter into the personal function，press the function
button[Clear]to clear the C.FN or P.FN settings.
0:0 / – / +, 1 :– / 0 / +
C . Fn - 04 : ( FEB sequence)
C . Fn - 08 : （ AF-assist beam firing)
0:ON (Enabled) , 1:OFF(Disabled)
C . Fn - 09 : ( Auto zoom for sensor size)
0 : ON ( Enabled ）, 1 : OFF ( Disabled )
C . Fn - 10 : ( Slave auto power off timer)
0 : 60min ( 60 minutes ）, 1 : 10min ( 10 minutes)
C . Fn - 13 : ( Flash exposure metering setting)
0 : + ( Speedlite button and dial) ， 1: ( Speedlite dial only)
C . Fn - 02 : ( Modeling flash)
C . Fn - 01 : ( Auto power off)
C . Fn - 00 : Firmware Version
Display the information of current version for the speedlite.
C . Fn - 07 : ( Test firing with autoflash)
0: 1/32 (1/32) , 1: 1/1 (Full output)
C.Fn/P.Fn: Setting Custom /Personal Functions
C.Fn: Custom Functions
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