Pentax 540FGZ - AF - Hot-shoe clip-on Flash Operating Manual page 63

Auto zoom electronic flash unit
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Flash Mode
TTL Auto Flash
672
(TTL)
645N2, 645N,
Z/PZ series, MZ/ZX
series (except MZ-M/
ZX-M), SFX
SFX/SF1
645, Super A/
Super Program, LX
Auto Flash (A)
Aperture setting
capable PENTAX
single lens reflex
cameras
Manual Flash
Aperture setting
(M)
capable PENTAX
single lens reflex
cameras
Camera
- In trailing curtain sync or contrast control sync mode, the flash mode
will automatically be switched to (TTL) when you press the shutter
release button halfway down, even if you have set it to manual (M).
- When the exposure mode is Programmed AE, Shutter Priority AE, or
Aperture Priority AE, the flash mode will automatically be switched to
(TTL), even if you have set it to manual (M).
/SF1
,
- In trailing curtain sync or contrast control sync mode, the flash mode
N
N
will automatically be switched to (TTL) when you press the shutter
release button halfway down, even if you have set it to manual (M).
- If the camera exposure metering timer is on (information is displayed in
the viewfinder), you cannot select (A) or (M) by pressing the flash mode
button (MODE).
- You cannot use (TTL) with the SF7/SF10.
- Under the following conditions, autofocus cameras can also use (A).
- The camera exposure mode is set to manual exposure.
- The camera exposure metering timer is off.
- With the following combinations of cameras and exposure modes, you
cannot photograph correctly if the aperture is set to a value brighter than F2.
Camera: Z-5P, Z-5, Z-1P/PZ-1P, Z-1/PZ-1, SFX
Exposure mode: Programmed AE and Shutter Priority AE modes
Notes
-
/SF1
, SF7/SF10, SFX/SF1
N
N
-
61

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