Nikon D5500 - Manual (Page 285)

261 A Custom Settings: Fine-Tuning Camera Settings
Option Description
Optional
flash
Choose a flash mode for the master (commander) flash.
TTL
i-TTL mode. Choose flash compensation from values
between +3.0 and –3.0 EV in increments of
1 /
3
EV.
M Choose the flash level.
– –
Only the remote flash units fire; the master flash does not,
although it does emit monitor pre-flashes.
Group A Choose a flash mode for all flash units in group A.
TTL
i-TTL mode. Choose flash compensation from values
between +3.0 and –3.0 EV in increments of
1
/
3
EV.
AA
Auto aperture (available only with compatible flash units;
0 325). Choose flash compensation from values between
+3.0 and –3.0 EV in increments of
1 /
3
EV.
M Choose the flash level.
– – The flash units in this group do not fire.
Group B
Choose a flash mode for all flash units in group B. The
options available are the same as those listed for Group A,
above.
Channel
Choose from channels 1–4. All flash units in both groups
must be set to the same channel.