Nikon SIGMA EF-630 Instructions page 32

distance between the flash and the subject.
Caution!!
i-TTL-BL / i-TTL auto flash does not work if the Sync.Terminal
is used.
The EF-630's Sync.Terminal is compatible with plugs that have
a positive (+) polarity on the central pin and a negative (-)
polarity on the shield. If the plug has reverse polarity, use a
commercially- available polarity conversion cord.
ACCIDENTAL OPERATION PREVENTION
When the power switch is set to the [
operations other than the TEST button and the
become disabled, preventing accidental changes to the flash
settings.
Whilst the flash is locked, the

Status area.
BEEP SOUNDS
Certain conditions of the flash are indicated by a sound,
making them easy to recognize without having to look at the
LCD panel.
Turn the BEEP switch on the front side of the main body to
[ON]. (When it is turned to ON, the
Status area.)
One short beep Indicates the completion of charging.
Two long beeps Too low or too high flash exposure value
One long beep (2sec.) Error warning
32
] (lock) position,
button
mark is displayed in the
mark is displayed in the
FUNCTIONS TO BE SET ON THE CAMERA
FV LOCK SHOOTING
This is a shooting method that exposes any desired section of
the subject with the correct flash exposure.
It can be used with [TTL], [TTL-BL] and [WL
For the operation methods, refer to the camera user's manual.

REAR CURTAIN SYNCHRONIZATION
The flash fires just before the shutter is closed. The light behind
the moving subject and the path of the light can be captured;
therefore, the photos can express the subject's natural movement.
It can be used with [TTL], [TTL-BL], [MANUAL], [GN-M], [WL
] and [WL ] Flash modes.
TTL MANUAL
When the rear curtain synchronization shooting is set on the

camera, the mark is indicated in the status area.
FP FLASH ( High- speed Sync )
The FP flash keeps firing while the shutter curtain is running.
Thus you can use a shutter speed faster than the synchronized
speed.
It can be used with [TTL], [TTL-BL], [MANUAL], [GN-M], [WL
] and [WL ] Flash modes.
TTL MANUAL
When the FP flash shooting is set on the camera, the

mark is indicated in the status area.
In [TTL] / [TTL-BL] mode, confirm that the subject is within the
shooting range by checking the distance indicated in the Status
area before you start shooting.
] flash modes.
TTL