Pentax AF540FGZ 2

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.

Contents

AUTO ZOOM ELECTRONIC FLASH UNIT OPERATING MANUAL Page FOR SAFE USE OF YOUR FLASH UNIT Page Precautions for Your Flash Unit ■Cautions Regarding Batteries Table of Contents Names of Parts Page Page ■Major bundled items Opening of the stand ■LCD Panel Indicator MZ-S Auto Check Display Inserting the Batteries ■Using the Optional External Power Source Mounting to Camera Turning the Power On Ready lamp ■Charging the AF540FGZ with the Optional External Power Source ■Switching the Charging Mode ■Auto Power Off Function ■Quick Power On Function Select Button (S)/Adjustment Dial Functions ● When using multiple flash units set to P-TTLor same time, use the camera’s exposure compensation Connected Flash Mode Adjustment Range Camera Format and Flash Coverage Angle 2 Zoom position (Flash coverage angle) setting Auto zoom (A.Zoom): Lens Types *ist D series DA, D FA, FA J Zoom Positions for Each Format * With the wide-anglepanel 35mm camera 645 camera 67 camera Page DA, D FA, FA J, FA, F 35mm autofocus single Focal length *ist, MZ-L/ZX-L/MZ-6 20 mm and over, less Using the Flash Modes ■P-TTLAuto Flash ■TTL Auto Flash ■Auto Flash 1 Turn on the power switch 2 Press the flash mode button (MODE) until (A) is displayed on the LCD panel 3 Set the aperture value and ISO Press the select button (S) so that (f/stop) on the LCD panel blinks Turn the adjustment dial to set the aperture value ■Manual Flash 645, LX, MZ-M/ZX-M Using the Sync Mode ■Leading Curtain Sync Mode ■Trailing Curtain Sync Mode ■High-SpeedSync Mode ●Please read the camera operating manual for camera operation High-speed ■Contrast Control Sync Flash With a single flash With contrast control sync flash Advanced Functions ■Wireless Mode Page Using the AF540FGZ in Combination with a Built-inFlash Unit Confirm that the AF540FGZ and built-in flash unit are fully charged, and take the photograph A lamp on the AF540FGZ will blink Turn the camera off and then attach the AF540FGZ to the hot shoe of the camera When Attaching the AF540FGZ to the Camera for Control Flash (Preparation of Flash Unit Attached to Camera) (Preparation of Separated Flash Unit) Place the other AF540FGZ in the desired position the camera has been set to (Photographing) Page Slide the setting switch back up to the (white dot) Wireless High-SpeedSync Photography (Using the AF540FGZ in Combination with a Built-inFlash Unit) 3other than P-TTL ● Set the zoom position with (M.Zoom) regardless of the lens you use 4 Enable the built-inflash unit of the camera and display ( ) on the LCD panel 5 Set the sync mode switch of the wireless flash (Using the AF540FGZ in Combination with another AF540FGZ) MASTER: For using both flash units as main flashes Confirm that both flash units are fully charged, and take the photograph Place the other AF540FGZ in the desired position the LCD panel Press the channel button (CH) and select the same channel that the flash unit attached to the camera has been set to ■Slave 6tabletop, chair, etc 7 Check that the ready lamp is lit, then take the picture ●When the built-inflash or the external flash ●The AF540FGZ will fire at the same time that the camera’s flash fires The slave unit will turn off automatically after about 1 hour of ■Slave Mode Setting ■Slow-Speed-SyncPhotography ■Bounce Flash ●A click stop is provided for each bounce angle ●When using bounce flash, ( ) will be displayed on the LCD panel The effective flash range will blink only when the bounce angle is set at It is recommended to set the bounce angle at P-TTL,TTL Auto Flash Photography Manual Flash Photography ■AF Spotbeam ■Wide-AnglePanel and Catchlight Panel Catchlight panel Wide-anglepanel ■Modeling Flash/Test Flash ■Connecting the AF540FGZ with the Extension Cord Hot shoe adapter FG Extension cord F5P Supported Functions for Pentax Cameras ■Cameras that Support Each Flash Mode Page ■Cameras that Support Each Sync Mode ■Cameras that Support Wireless Mode ■Cameras that Support Slow-Speed-SyncMode ■Functions Related to Each Flash Mode 1. Cameras that Support P-TTLAuto Flash Mode Flash Mode (P-TTL) P-TTLauto (TTL) TTL auto (A) auto flash 2. Cameras that Support TTL Auto Flash Mode <Film cameras (35mm autofocus single lens reflex cameras) (A), (B), (C) (C) <Film cameras (medium format) (D), (E), (F) (D) (E) (F) <Film cameras (35mm manual focus single lens reflex cameras)> Type G: LX (G), (H) (G) (H) 3. Cameras that Does not Support P-TTL and TTL Auto Flash Mode (B), (C), (D) Page ■Sync Mode Restrictions Under the following condition, the flash mode automatically switches to ) is displayed on the LCD panel only in the following case: Contrast Control Sync Photography Flash Unit The flash mode automatically switches to ● ( ) is displayed on the LCD panel only in the following case: High-Speed-SyncMode Photography Exposure Modes Not Supported by High-SpeedSync Mode , , , , , , P Slow-Speed-SyncPhotography Restrictions Exposure Modes Not Supported by Slow-Speed-SyncPhotography Page ■Precautions When Photographing with a Slave Flash Flash Effective Range ■Calculating the Flash Effective Range Display of Flash Effective Range ■Guide Number (GN) Flash High-SpeedSync Guide Number *With the wide-anglepanel attached Shutter speed 85mm ■P-TTLand TTL Auto Flash Effective Range Page Optional Accessories Specifications (ISO 400) Flash duration (1/2 peak each) Recycling time/Total number of flashes Consecutive Discharge Flash Coverage Angle Color temperature Flash modes Flash exposure compensation Flash output setting Flash sync mode Wireless flash Warranty Policy For customers in the USA STATEMENT OF FCC COMPLIANCE For customers in Canada Pour les utilisateurs an Canada Information on disposal for users PENTAX Corporation PENTAX Europe GmbH (European Headquarters) PENTAX U.K. Limited PENTAX France S.A.S