Pentax 540FGZ - AF - Hot-shoe clip-on Flash Operating Manual page 92

Auto zoom electronic flash unit
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Flash modes
Flash output
compensation
Flash output setting
Flash sync mode
Wireless flash
Bounce flash
Power saving
Red-eye reduction
Modeling flash
Wide-angle panel
Catchlight panel
LCD panel illumination
Power source
Dimensions and weight
90
P-TTL auto, TTL auto, auto, manual.
In P-TTL mode, -3.0 to +1.0 levels (0.5 step increments)
Wireless master, slave: (1/1 ➝ 2/3 ➝ 1/2 ➝1/3)
Manual: (1/1 ➝ 1/2 ➝ 1/4 ➝ 1/8 ➝ 1/16 ➝ 1/32 ➝ 1/64)
Leading curtain sync, Trailing curtain sync, Contrast control sync, High-speed sync.
(Control system) Optical pulse transmission
(Wireless position) Master (M), control (C), slave (S)
(Channels) 1 to 4
Compatible modes: P-TTL, auto (A), manual (M)
Effective range: Approx. 4 m (When set to SL 1. According to our testing conditions.)
Vertical and horizontal bounce possible, click stops provided, lock provided at 0°.
Rightward: 0°, 30°, 60°, 90°, 120°, 150°, 180°
Leftward: 0°, 30°, 60°, 90°, 135°
Upward: 0°, 30°, 45°, 60°, 75°, 90°
Downward: 0°, -10°
Automatic power-off: After approx. 3 min. of non-operation with the power (ON). 6
minutes in Auto. After 1 hour in the wireless mode.
Quick power on: By pressing the camera's shutter release button halfway
Operates with autofocus cameras equipped with red-eye reduction feature.
Modeling button (MODELING) discharges flash consecutively for 1 second.
Pull out manually and flash zoom position sets to 20mm.
Pull out manually.
LCD panel illumination button (LIGHT) illuminates the LCD panel for about 10 sec. or press
the button again to turn it off.
Four AA batteries, (Alkaline (LR6), Nickel-Metal Hydride (Ni-MH), or Lithium (FR6))
Optional external power source: TR Power Pack-3
76 mm (W) × 142 mm (H) × 107 mm (T) (3.0'' × 5.6'' × 4.2'')
380 g (13.4 oz.) without batteries

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Af-540fgz

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