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01_Cover_1.fm Page 0 Friday, March 17, 2006 3:38 PM
AUTO ZOOM ELECTRONIC
FLASH UNIT
OPERATING MANUAL
Please read this operating manual carefully first for proper use.
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00_AF540FGZ.book Page 0 Monday, April 10, 2006 11:42 AM Thank you for purchasing the PENTAX Auto-flash AF540FGZ. In addition to easy daylight sync photography with TTL auto, the AF540FGZ also allows wireless TTL auto (P-TTL auto) photography and high-speed sync. It is clip-on type flash which enables accurate focus adjustments even in dark locations with built-in AF-assist spotbeam. PENTAX is a trademark of PENTAX Corporation.
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00_AF540FGZ.book Page 1 Monday, April 10, 2006 11:42 AM FOR SAFE USE OF YOUR FLASH UNIT Although we have carefully designed this flash unit for safe operation, please be sure to follow precautions given on page 2. WARNING This mark indicates precautions that, if not followed, could result in serious injury to the user. CAUTION This mark indicates precautions that, if not followed, could result in minor or medium injury to the user or damage to the equipment. is a symbol indicating items tha
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00_AF540FGZ.book Page 2 Monday, April 10, 2006 11:42 AM WARNING CAUTION The flash contains electronic circuits that Do not use the flash near anyone’s eyes, as it operate at high voltages. Do not attempt to may hurt them. Be particularly careful with the disassemble the flash unit yourself, as there is flash around infants. danger of an electric shock. Never try to disassemble or short the batteries If internal parts of the flash unit becomes and never try to recharge the non-rechargeable
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00_AF540FGZ.book Page 3 Monday, April 10, 2006 11:42 AM Precautions for Your Flash Unit ● Never use organic solvents such as paint thinner, alcohol or benzene to clean the flash unit. ● Avoid leaving the flash unit for extend period in places where the humidity and temperature are very high such as in a car. ● Be careful not to subject the flash unit to strong vibrations, shock or pressure. Use a cushion to protect the flash unit when carrying it in a motorcycle, car, boat, etc. ● Do not us
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00_AF540FGZ.book Page 4 Monday, April 10, 2006 11:42 AM ■ Cautions Regarding Batteries ● This flash unit uses 4 AA-size alkaline, lithium, or nickel metal hydride batteries. Do not use any other type of battery. The flash unit may not be able to operate correctly or demonstrate sufficient performance, or the flash unit itself may generate heat, depending on the type of batteries used. ● AA-size alkaline and lithium batteries themselves are not rechargeable. Also, do not dismantle the batter
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00_AF540FGZ.book Page 5 Monday, April 10, 2006 11:42 AM Table of Contents FOR SAFE USE OF YOUR FLASH UNIT........... 1 Contrast Control Sync Flash............................. 36 Advanced Functions ........................................ 38 Precautions for Your Flash Unit ....................... 3 Wireless Mode .................................................. 38 Cautions Regarding Batteries............................. 4 Slave................................................................
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00_AF540FGZ.book Page 6 Monday, April 10, 2006 11:42 AM Names of Parts Bounce angle adjustment Bounce lock release button LCD panel Battery chamber cover Flash mode button Shoe lock pin Select button Flash signal contacts Adjustment dial Shoe bracket LCD panel illumination button/ Format button Locking lever Zoom button/ Channel button Test button/ Modeling button/ Ready lamp Setting switch Power switch Wireless mode button Sync mode switch 6
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00_AF540FGZ.book Page 7 Monday, April 10, 2006 11:42 AM
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00_AF540FGZ.book Page 8 Monday, April 10, 2006 11:42 AM 5P Sync socket External power source socket Socket cover Slave sensor Wide-angle panel Catchlight panel Flash head AF spotbeam emitter Auto flash sensor 8
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00_AF540FGZ.book Page 9 Monday, April 10, 2006 11:42 AM ■ Major bundled items Stand Case Operating manual (this manual) Certification Opening of the stand Slide the hot shoe bracket into the opening of the stand. ● You cannot attach the off-camera shoe adapter F to the bundled stand. ● When attaching the flash unit to the stand, do not tighten the locking lever too far. Tightening too far may cause the locking lever to not lock sufficiently when the flash unit is removed from t
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00_AF540FGZ.book Page 10 Monday, April 10, 2006 11:42 AM ■ LCD Panel Indicator Zoom indicator : (A.Zoom) ➝ (M.Zoom) xxmm = 20, 24, 28, 35, 50, 70, 85 (35 mm format) 35, 45, 55, 70, 100, 135, 150 (645 format) 55, 60, 70, 90, 120, 180, 190 (67 format) 13, 16, 19, 24, 34, 48, 58 (DIGITAL format) Format indicator : (35mm) ➝ (645) ➝ (67) ➝ (DIGITAL) Flash mode indicator : (P-TTL) ➝ (A) ➝ (M) ➝ (SB) Flash exposure : (-3.0 to +1.0 steps, 0.5 step increments) compensation indicator ISO indi
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00_AF540FGZ.book Page 11 Monday, April 10, 2006 11:42 AM
When in poorly lit locations and the LCD panel cannot Auto Check Display be seen, pressing the LCD panel illumination button If the correct flash output is obtained, the flash mode (LIGHT) will illuminate the panel for about 10 seconds. indicator and () in the viewfinder will begin blinking. Pressing it again will turn off the illumination. If the auto check display does not blink, the flash output ● The
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00_AF540FGZ.book Page 12 Monday, April 10, 2006 11:42 AM Inserting the Batteries Slide the battery chamber cover as shown in the Insert four AA-size batteries, making sure the 1 2 figure to open. plus/minus marking (+, -) match the diagram inside the battery chamber cover. 12
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00_AF540FGZ.book Page 13 Monday, April 10, 2006 11:42 AM Types of Batteries ■ Using the Optional External Power This flash unit uses four AA-size batteries of the same Source type, as shown below. Use the optional TR Power Pack-3 (upcoming product, - Alkaline battery (LR6) sold separately) as an external power source. - Lithium battery (FR6) ● For information on how to use the TR Power - Nickel-Metal Hydride battery (Ni-MH) Pack-3 and connect to the flash unit, refer to the (Nickel manga
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00_AF540FGZ.book Page 14 Monday, April 10, 2006 11:42 AM Mounting to Camera 1 2 Remove the hot shoe cover from the camera. 1 Attach the flash unit to the camera. ● The following cameras have a shoe lock pin. When 2 Turn the locking lever of the flash unit in the attaching the flash unit, turn the locking lever in direction opposite to that indicated by (FIX➝ ) the (FIX➝ ) direction and lock the flash unit to the (clockwise from the direction of the LCD camera with the shoe lock pin. Wh
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00_AF540FGZ.book Page 15 Monday, April 10, 2006 11:42 AM Turning the Power On Sliding the power switch to the (ON) position will turn on the power. The ready lamp will light up when the flash is charged. Sliding it to the (OFF) position will turn off the power. ● Turn the camera on before turning the flash unit on. ● Please refer to page 38 for the WIRELESS MODE position. ● When the power is turned OFF and ON again, the flash mode will be set to P-TTL and the Zoom position A. Zoom 24mm
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00_AF540FGZ.book Page 16 Monday, April 10, 2006 11:42 AM ● When turning off the flash unit, make sure you ■ Charging the AF540FGZ with the turn the power switch of the external power Optional External Power Source source to OFF. Otherwise the external power Prepare the external power source TR Power source may be exhausted. 1 Pack-3 in accordance with the instruction in the operating manual. ■ Switching the Charging Mode Confirm that the power switch of the flash unit You can select a
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00_AF540FGZ.book Page 17 Monday, April 10, 2006 11:42 AM ■ Auto Power Off Function ■ Quick Power On Function When the flash unit is left unused for about 3 minutes If the flash unit is mounted on the autofocus cameras, with the power switch set to the (ON) position, it press the shutter release button half way to turn on the automatically switches off to save the power. power. ● The Quick Power On function can be utilized Slide the setting switch up. both when only internal batteries are u
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00_AF540FGZ.book Page 18 Monday, April 10, 2006 11:42 AM Select Button (S)/Adjustment Dial Functions 4 types of settings are available as shown on the following pages for the select button (S) and the adjustment dial. Procedure Turn the adjustment dial and adjust the blinking 2 number. Press the select button (S) so that the number to 1 adjust is blinking. 18
