P-Ttl Auto Flash - Pentax 540FGZ - AF - Hot-shoe clip-on Flash Operating Manual

Auto zoom electronic flash unit
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■P-TTL Auto Flash

Effective flash range

Refer to page 25 for the features and conditions of use
of this flash mode.
Procedure
1
Turn on the flash unit.
2
Press the flash mode button (MODE) until
(P-TTL) is displayed on the LCD panel.
26




3
Set the sync mode switch to leading curtain sync
(
), trailing curtain sync (
contrast-control (
subject. (Refer to page 32.)
● After turning the power (ON), the setting will be
(P-TTL) and (A.Zoom).
4
Set the zoom position. (The setting method
differs according to your camera and lens. Refer
to page 21.)
5
Confirm that the subject is within the effective
flash range and the ready lamp is lit. Then take a
picture.
● In the following cameras, if the correct flash
output is obtained, the flash mode indicator and
( ) in the viewfinder will blink.
*ist, MZ-S, MZ-L/ZX-L/MZ-6
For details, refer to "Auto Check Display" on
page 11.
● The correct flash output is obtained in P-TTL
auto mode only when the flash unit is used with
autofocus lenses.
● If necessary, an exposure compensation amount
can be set between +1.0 to -3.0 steps in 0.5-step
increments. (Refer to page 18.)
), or
), according to the

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Af-540fgz

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