Operation Manual
Page 1
AUTO ZOOM ELECTRONIC FLASH UNIT OPERATING MANUAL Please read this operating manual carefully first for proper use.
AUTO ZOOM ELECTRONIC FLASH UNIT OPERATING MANUAL Please read this operating manual carefully first for proper use.
Operation Manual
Page 2
PENTAX is a clip-on type flash which enables accurate focus adjustments even in dark locations with TTL auto, the AF540FGZ also allows wireless TTL auto (P-TTL auto) photography and high-speed sync. Thank you for purchasing the PENTAX Auto-flash AF540FGZ. In addition to easy daylight sync photography with built-in AF-assist spotbeam. It is a trademark of HOYA CORPORATION.
PENTAX is a clip-on type flash which enables accurate focus adjustments even in dark locations with TTL auto, the AF540FGZ also allows wireless TTL auto (P-TTL auto) photography and high-speed sync. Thank you for purchasing the PENTAX Auto-flash AF540FGZ. In addition to easy daylight sync photography with built-in AF-assist spotbeam. It is a trademark of HOYA CORPORATION.
Operation Manual
Page 3
is a symbol indicating items that are prohibited. FOR THE SAFE USE OF YOUR FLASH UNIT Although we have carefully designed this item could cause serious personal injuries. CAUTION This symbol indicates that violating this item could cause minor or medium personal injuries, or material losses. is a symbol emphasizing a warning. 1 WARNING This symbol indicates that violating this flash unit for safe operation, please be sure to follow precautions given on page 2.
is a symbol indicating items that are prohibited. FOR THE SAFE USE OF YOUR FLASH UNIT Although we have carefully designed this item could cause serious personal injuries. CAUTION This symbol indicates that violating this item could cause minor or medium personal injuries, or material losses. is a symbol emphasizing a warning. 1 WARNING This symbol indicates that violating this flash unit for safe operation, please be sure to follow precautions given on page 2.
Operation Manual
Page 4
...batteries Remove the batteries from the camera immediately if they become hot or begin to smoke. Do not attempt to burn yourself during removal. 2 Be particularly careful with the flash around infants. If internal parts of the flash unit becomes exposed due to water or moisture as there ...is danger of an electric shock. Be careful not to disassemble the flash unit yourself, as there is danger of an electric...
...batteries Remove the batteries from the camera immediately if they become hot or begin to smoke. Do not attempt to burn yourself during removal. 2 Be particularly careful with the flash around infants. If internal parts of the flash unit becomes exposed due to water or moisture as there ...is danger of an electric shock. Be careful not to disassemble the flash unit yourself, as there is danger of an electric...
Operation Manual
Page 5
... or different (layout other companies. 3 When the flash unit is subjected to rain or moisture, wipe it off the camera, do not try to maintain optimum performance. ● Avoid contact with cameras and accessories made by the other than PENTAX standard) electrical contacts for the hot shoe or grip. caused due to strong vibrations...
... or different (layout other companies. 3 When the flash unit is subjected to rain or moisture, wipe it off the camera, do not try to maintain optimum performance. ● Avoid contact with cameras and accessories made by the other than PENTAX standard) electrical contacts for the hot shoe or grip. caused due to strong vibrations...
Operation Manual
Page 6
...hindered in temperatures below freezing for proper performance. ● If you do not intend to operate correctly or demonstrate sufficient performance, or the flash unit itself may cause an explosion or leakage. ● When changing batteries, do not dismantle the batteries. Trying to recharge or dismantle ...9679; Do not insert the batteries with the positive (+) and negative (-) terminals the wrong way around. The flash unit may lead to leakage etc. 4 Do not use the flash unit for an extended period of battery. Batteries should be able to use any other type of time, remove ...
...hindered in temperatures below freezing for proper performance. ● If you do not intend to operate correctly or demonstrate sufficient performance, or the flash unit itself may cause an explosion or leakage. ● When changing batteries, do not dismantle the batteries. Trying to recharge or dismantle ...9679; Do not insert the batteries with the positive (+) and negative (-) terminals the wrong way around. The flash unit may lead to leakage etc. 4 Do not use the flash unit for an extended period of battery. Batteries should be able to use any other type of time, remove ...
Operation Manual
Page 7
... Slave Mode Setting 52 Slow-Speed Sync Photography 53 Bounce Flash 54 AF Spotbeam 56 Wide-Angle Panel and Catchlight Panel 57 Modeling Flash/Test Flash 58 Connecting the AF540FGZ with the Extension Cord 59 Supported Functions for PENTAX Cameras 60 Cameras that Support Each Flash Mode.......... 60 Cameras that Support Each Sync Mode .......... 62 Cameras...
... Slave Mode Setting 52 Slow-Speed Sync Photography 53 Bounce Flash 54 AF Spotbeam 56 Wide-Angle Panel and Catchlight Panel 57 Modeling Flash/Test Flash 58 Connecting the AF540FGZ with the Extension Cord 59 Supported Functions for PENTAX Cameras 60 Cameras that Support Each Flash Mode.......... 60 Cameras that Support Each Sync Mode .......... 62 Cameras...
Operation Manual
Page 8
Names of Parts Bounce angle adjustment LCD panel Flash mode button Select button Adjustment dial LCD panel illumination button/ Format button Zoom button/ Channel button Test button/ Modeling button/ Ready lamp Setting switch Power switch Wireless mode button @ Sync mode switch > Bounce lock release button S Battery chamber cover Y Shoe lock pin G Flash signal contacts T Shoe foot V Locking lever 6
Names of Parts Bounce angle adjustment LCD panel Flash mode button Select button Adjustment dial LCD panel illumination button/ Format button Zoom button/ Channel button Test button/ Modeling button/ Ready lamp Setting switch Power switch Wireless mode button @ Sync mode switch > Bounce lock release button S Battery chamber cover Y Shoe lock pin G Flash signal contacts T Shoe foot V Locking lever 6
Operation Manual
Page 11
Tightening too far may cause the locking lever to not lock sufficiently when the flash unit is removed from the stand and attached to the stand, do not tighten the locking lever too far. ■Major bundled items Stand Opening of the stand Case Operating manual (this manual) Certification 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 hot shoe of the camera. 9
Tightening too far may cause the locking lever to not lock sufficiently when the flash unit is removed from the stand and attached to the stand, do not tighten the locking lever too far. ■Major bundled items Stand Opening of the stand Case Operating manual (this manual) Certification 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 hot shoe of the camera. 9
Operation Manual
Page 12
...➝ 645 ➝ 67 ➝ DIGITAL Flash mode indicator : P-TTL ➝ A ➝ M ➝ SB Flash output : -3.0 to +1.0 steps, 0.5 step increments ...compensation indicator ISO indicator : ISO 25 to 4CH > Wireless mode indicator : MASTER, CONTROL, SLAVE 10 control sync) - (High-speed sync) (Contrast Bounce flash warning : Flash... output adjustment indicator : NN/ X X f/stop : F2 to F22 (When set to ISO 100) @ Channel indicator : 1 to 1600 Bar graph Effective flash...
...➝ 645 ➝ 67 ➝ DIGITAL Flash mode indicator : P-TTL ➝ A ➝ M ➝ SB Flash output : -3.0 to +1.0 steps, 0.5 step increments ...compensation indicator ISO indicator : ISO 25 to 4CH > Wireless mode indicator : MASTER, CONTROL, SLAVE 10 control sync) - (High-speed sync) (Contrast Bounce flash warning : Flash... output adjustment indicator : NN/ X X f/stop : F2 to F22 (When set to ISO 100) @ Channel indicator : 1 to 1600 Bar graph Effective flash...
Operation Manual
Page 13
... may be seen, pressing the LCD panel illumination button (LIGHT) will begin blinking. Verify the effective flash range (refer to page 80) and adjust the distance to the subject, or open the aperture further. Pressing it again will turn off the illumination. &#...) and the exposure metering timer is too close. ● Depending on for about 10 seconds. If the auto check display does not blink, the flash output is obtained, the flash mode indicator and ( ) in poorly lit locations and the LCD panel cannot be incorrect if the subject is on the combination of...
... may be seen, pressing the LCD panel illumination button (LIGHT) will begin blinking. Verify the effective flash range (refer to page 80) and adjust the distance to the subject, or open the aperture further. Pressing it again will turn off the illumination. &#...) and the exposure metering timer is too close. ● Depending on for about 10 seconds. If the auto check display does not blink, the flash output is obtained, the flash mode indicator and ( ) in poorly lit locations and the LCD panel cannot be incorrect if the subject is on the combination of...
Operation Manual
Page 15
...alkaline batteries (LR14). (Nickel cadmium (Ni-Cd) batteries cannot be exhausted or not inserted correctly. Types of Batteries This flash unit uses four AA batteries of flashes, refer to "Charging the AF540FGZ with the AF540FGZ for mechanical reasons. Alkaline battery (LR6) - Verify the orientation of ...or, if the indicators and ready lamp still do not light up, replace them with new batteries. ● If you let the flash unit discharge successively using lithium batteries, the batteries will overheat, activating a safety circuit that the temperature of the batteries returns to normal...
...alkaline batteries (LR14). (Nickel cadmium (Ni-Cd) batteries cannot be exhausted or not inserted correctly. Types of Batteries This flash unit uses four AA batteries of flashes, refer to "Charging the AF540FGZ with the AF540FGZ for mechanical reasons. Alkaline battery (LR6) - Verify the orientation of ...or, if the indicators and ready lamp still do not light up, replace them with new batteries. ● If you let the flash unit discharge successively using lithium batteries, the batteries will overheat, activating a safety circuit that the temperature of the batteries returns to normal...
Operation Manual
Page 16
... to the camera with a hot shoe. When attaching the flash unit, turn the locking lever in the direction indicated by (FIX➝) (clockwise from the direction of the LCD panel). Slide the hot shoe foot of the flash unit into the camera's hot shoe from the camera. 2 Attach the flash unit to the camera. ...Turn the locking lever of the flash unit in the (FIX➝) direction and lock the flash unit to lock it. 14 ● The...
... to the camera with a hot shoe. When attaching the flash unit, turn the locking lever in the direction indicated by (FIX➝) (clockwise from the direction of the LCD panel). Slide the hot shoe foot of the flash unit into the camera's hot shoe from the camera. 2 Attach the flash unit to the camera. ...Turn the locking lever of the flash unit in the (FIX➝) direction and lock the flash unit to lock it. 14 ● The...
Operation Manual
Page 17
... ● The WIRELESS position of the power switch is charged. If the flash unit is used for each function. ➝ Wireless mode (page 38 - 49) ➝ Slave flash (page 50 - 51) 15 The ready lamp will light up when the flash is used with new batteries. If charging time takes more than 20... exhausted and should be replaced with exhausted batteries, the settings may return to their default configuration. ● Turn the camera on before turning the flash unit on the power. Turning the Power On Ready lamp Sliding the power switch to the (ON) position will turn off the power.
... ● The WIRELESS position of the power switch is charged. If the flash unit is used for each function. ➝ Wireless mode (page 38 - 49) ➝ Slave flash (page 50 - 51) 15 The ready lamp will light up when the flash is used with new batteries. If charging time takes more than 20... exhausted and should be replaced with exhausted batteries, the settings may return to their default configuration. ● Turn the camera on before turning the flash unit on the power. Turning the Power On Ready lamp Sliding the power switch to the (ON) position will turn off the power.
Operation Manual
Page 18
...may be exhausted. ■Switching the Charging Mode You can select a charging mode from the AF 540 FGZ: otherwise, the flash unit will be displayed. 3 Press the flash mode button (MODE) twice. PP1: Charge the flash unit using the external power source and internal batteries. (Enables high speed charging with the ... a charging interval of approximately 2 seconds.) 1 Slide the setting switch up. 2 Press the LCD panel illumination button (LIGHT) for use. PP2: Charge the flash unit using only the external power source. Then, plug the power cord into the external power socket on the...
...may be exhausted. ■Switching the Charging Mode You can select a charging mode from the AF 540 FGZ: otherwise, the flash unit will be displayed. 3 Press the flash mode button (MODE) twice. PP1: Charge the flash unit using the external power source and internal batteries. (Enables high speed charging with the ... a charging interval of approximately 2 seconds.) 1 Slide the setting switch up. 2 Press the LCD panel illumination button (LIGHT) for use. PP2: Charge the flash unit using only the external power source. Then, plug the power cord into the external power socket on the...
Operation Manual
Page 19
...batteries are used and when an external power source is used . ● In the auto flash mode (A), the power will shut off after about 6 minutes. ● In the wireless mode, the power will be ...the select button (S) the number of non-operation. ■Quick Power On Function If the flash unit is mounted on the power. ● The Quick Power On function can be utilized both...batteries are used and when an external power source is used . 17 ■Auto Power Off Function When the flash unit is left unused for 2 seconds or more. SL 1 or SL 2 will turn on autofocus cameras, press...
...batteries are used and when an external power source is used . ● In the auto flash mode (A), the power will shut off after about 6 minutes. ● In the wireless mode, the power will be ...the select button (S) the number of non-operation. ■Quick Power On Function If the flash unit is mounted on the power. ● The Quick Power On function can be utilized both...batteries are used and when an external power source is used . 17 ■Auto Power Off Function When the flash unit is left unused for 2 seconds or more. SL 1 or SL 2 will turn on autofocus cameras, press...
Operation Manual
Page 21
... Auto and adjusting the amount of light at the same time, use the camera's exposure compensation. Flash output compensation ISO / F (aperture) setting Manual flash output Flash output setting Connected Flash Mode P-TTL Auto flash Auto flash (A) Manual (M) Wireless (W) master flash (M) Wireless (W) slave flash (S) Adjustment Range -3.0 to +1.0 levels (EV) (0.5 step increments) ISO 25 to ISO 1600, F2 to F22...
... Auto and adjusting the amount of light at the same time, use the camera's exposure compensation. Flash output compensation ISO / F (aperture) setting Manual flash output Flash output setting Connected Flash Mode P-TTL Auto flash Auto flash (A) Manual (M) Wireless (W) master flash (M) Wireless (W) slave flash (S) Adjustment Range -3.0 to +1.0 levels (EV) (0.5 step increments) ISO 25 to ISO 1600, F2 to F22...
Operation Manual
Page 22
... shutter release button is pressed halfway down when the AF540FGZ is indicated by the focal lengths of available lenses in the LCD panel of the flash unit, according to the preset image size (FORMAT) of the camera you are using. The format size will automatically be adjusted to match ... of the camera. 1 ■Format setting Firstly, set the FORMAT to display camera formats (image sizes) in the LCD panel. Camera Format and Flash Coverage Angle The AF540FGZ's flash coverage angle can switch from 35mm ➝ 645 ➝ 67 ➝ DIGITAL ➝ 35mm in that order. 20 The...
... shutter release button is pressed halfway down when the AF540FGZ is indicated by the focal lengths of available lenses in the LCD panel of the flash unit, according to the preset image size (FORMAT) of the camera you are using. The format size will automatically be adjusted to match ... of the camera. 1 ■Format setting Firstly, set the FORMAT to display camera formats (image sizes) in the LCD panel. Camera Format and Flash Coverage Angle The AF540FGZ's flash coverage angle can switch from 35mm ➝ 645 ➝ 67 ➝ DIGITAL ➝ 35mm in that order. 20 The...
Operation Manual
Page 23
..., return the setting switch to the upper (white dot) position. Press the zoom button (ZOOM) until (A.Zoom) is displayed. ● When the flash mode is set to auto flash, the auto zoom function does not operate even if the camera and lens are both of the camera and lens are manual focus..., you must set the flash coverage angle manually. If you are autofocus, you are setting the format manually, return the setting switch to the upper (white dot) position. When (M.Zoom...
..., return the setting switch to the upper (white dot) position. Press the zoom button (ZOOM) until (A.Zoom) is displayed. ● When the flash mode is set to auto flash, the auto zoom function does not operate even if the camera and lens are both of the camera and lens are manual focus..., you must set the flash coverage angle manually. If you are autofocus, you are setting the format manually, return the setting switch to the upper (white dot) position. When (M.Zoom...
Operation Manual
Page 24
If the catchlight panel is not necessary, leave it in a slit on the top of the flash head. Zoom Positions for Each Format * With the wide-angle panel 35mm camera 645 camera 67 camera Digital camera 20mm* 35mm* 55mm* 13mm* 24mm 28mm ... than the lens focal length. ● In the manual zoom mode, refer to the LCD panel and set it so the flash coverage angle matches the lens focal length or set a flash coverage angle that it covers the front of the flash head. Pull it out so that is in the slit.) 22
If the catchlight panel is not necessary, leave it in a slit on the top of the flash head. Zoom Positions for Each Format * With the wide-angle panel 35mm camera 645 camera 67 camera Digital camera 20mm* 35mm* 55mm* 13mm* 24mm 28mm ... than the lens focal length. ● In the manual zoom mode, refer to the LCD panel and set it so the flash coverage angle matches the lens focal length or set a flash coverage angle that it covers the front of the flash head. Pull it out so that is in the slit.) 22
