Nikon SB-910 - Manual (Page 23)

B–4
B
Operation
t
Activating key lock
Key lock icon
Press function buttons 1 and 2, between which a
lock icon is printed, simultaneously for 2 seconds.
The key lock icon appears on the LCD and the dial
and buttons are locked.
The power switch/wireless mode switch for •
multiple flash units and the test firing button
remain unlocked.
To cancel key lock, press function buttons 1 and
•
2 again simultaneously for 2 seconds.