Pentax 645D Limited Edition Operation Manual - Page 60

Flash

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Flash Mode Attaching a Flash I Remove the hot shoe cover of the camera. 2 Attach the flash and turn on the camera. Memo • Press the button to discharge the flash in Modeling Flash or Test Flash mode. Set this with [34. External Flash Discharge] in the [C5] menu. (MI p.R35) I Using a Sync Cord You can connect a sync cord to the X-sync socket on the camera. Caution Do not use high-voltage or high-current external flashes. They may cause the camera to malfunction. A flash with reversed polarity (the center of the hot shoe or sync plug has a negative symbol) cannot be used, as this may damage the camera or flash. • Linked functions will not work. • To prevent vignetting caused by Trailing Curtain Sync from occurring, it is recommended to take a test shot using a shutter speed one stop slower than the flash sync speed. • The contact of the X-sync socket is not dust-proof or waterresistant. Attach the provided Sync socket 2P cap when not in use. Setting the Flash Mode The following flash modes are available. The flash modes that are available differ depending on the exposure mode. Flash Mode Flash On Flash On+Red-eye Reduction Slow-speed Sync Slow-speed Sync+Red-eye Available Exposure Modes P/SviTv/AviTAv/M/BIX P/Sv/Av 58

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Flash
Mode
Attaching
a
Flash
I
Remove
the
hot
shoe
cover
of
the
camera.
2
Attach
the
flash
and
turn
on
the
camera.
Memo
•
Press
the
button
to
discharge
the
flash
in
Modeling
Flash
or
Test
Flash
mode.
Set
this
with
[34.
External
Flash
Discharge]
in
the
[C5]
menu.
(MI
p.R35)
I
Using
a
Sync
Cord
You
can
connect
a
sync
cord
to
the
X
-sync
socket
on
the
camera.
Caution
Do
not
use
high
-voltage
or
high
-current
external
flashes.
They
may
cause
the
camera
to
malfunction.
A
fl
ash
with
reversed
polarity
(the
center
of
the
hot
shoe
or
sync
plug
has
a
negative
symbol)
cannot
be
used,
as
this
may
damage
the
camera
or
flash.
•
Linked
functions
will
not
work.
•
To
prevent
vignetting
caused
by
Trailing
Curtain
Sync
from
occurring,
it
is
recommended
to
take
a
test
shot
using
a
shutter
speed
one
stop
slower
than
the
flash
sync
speed.
•
The
contact
of
the
X
-sync
socket
is
not
dust
-proof
or
water-
resistant.
Attach
the
provided
Sync
socket
2P
cap
when
not
in
use.
Setting
the
Flash
Mode
The
following
fl
ash
modes
are
available.
The
fl
ash
modes
that
are
available
differ
depending
on
the
exposure
mode.
Flash
Mode
Flash
On
Flash
On+Red-eye
Reduction
Slow
-speed
Sync
Slow
-speed
Sync+Red-eye
Available
Exposure
Modes
P/SviTv/AviTAv/M/BIX
P/Sv/Av
58