Westcott FJ400 Manuale utente
FJ400 AC/DC Strobe
User Manual
V1.0000
10/22/2019
Contents
Introduction 3
Components (Included) 3
FJ400 Strobe: Overview 4
FJ400 Strobe: LCD Display & Menus 5
FJ400 Strobe: Warnings 6
FJ400 Strobe: Firmware Updates 7
Installing the Firmware 7
FJ400 Strobe: Getting Started 8
Charging the FJ400 AC/DC Lithium Polymer Battery 8
Attaching the FJ400 AC/DC Lithium Polymer Battery 8
Removing the FJ400 AC/DC Lithium Polymer Battery 8
AC Power Operation 8
DC Power Operation 8
FJ400 Strobe: Mounting 9
Mounting to a Light Stand 9
FJ400 Strobe: Attaching & Removing Modifiers 9
Connecting a Bowens Speedring & Modifier 9
Removing a Bowens Speedring & Modifier 9
Attaching an Umbrella-Based Modifier 9
Removing an Umbrella Based Modifier 9
FJ400 Strobe: Wireless Control 10
FJ400 Strobe: Exposure Modes 10
Enabling ‘TTL’ Mode Operation [Requires FJ2-Xm or compatible trigger] 10
Enabling ‘Manual’ Mode Operation 10
FJ400 Strobe: SYNC Functions 11
Enabling ‘Normal’ Sync 11
Enabling ‘HSS (High-speed Sync)’ 11
Enabling ‘Freeze Sync’ 11
Freeze Sync Flash Durations 11
FJ400 Strobe: Advanced Functions 12
Mask Function 12
Delay Function 13
Continuous Capture 13
FJ400: Menu [Expanded Look] 13
1
Menu Screen #1 13
Menu Screen #2 14
Menu Screen #3 14
Menu Screen #4 14
Menu Screen #5 14
Menu Screen #6 15
FJ400 Battery: Performance and Care 15
FJ400 Performance & Sleep Modes 15
FJ400 LED Battery Status Indicators 15
FJ400 Charging & Life Expectancy 16
FJ400 Strobe: Technical Specifications 16
Warranty Information 18
Legal Information 19
2
Introduction
Thank you for purchasing the Westcott FJ400 Strobe. The FJ400 and FJ-X2m Wireless Flash Trigger
(sold separately
) are a photographer’s dream combination. The performance of the FJ400 is one of the
industry’s first compact, portable 400 watt-second strobes that is capable of recycling in less than
one-second at full-power so you don’t miss the shot. It offers the most full-power flashes at 480 bursts to
extend those on-location shoots when AC power isn’t an option and it has accurate color temperatures
throughout its entire 9-stop output range. When paired with the FJ-X2m Wireless Radio trigger, you can
say, “Goodbye,” to the need for multiple brand-specific triggers. The FJ400 and FJ-X2m have you
covered with its multi-brand compatibility. This versatile unit offers everything required by professional
photographers today to achieve lighting success - including TTL, HSS, Continuous Capture, Freeze
Function, and so much more. Enjoy!
Components (Included)
●FJ400 Strobe
●FJ400 AC/DC Lithium Polymer Battery
●AC Power Adapter & Cord
●Frosted Diffusion Dome
●Magnetic Reflector (Bowens, 5.5")
●Magnetic CC Gel Set
●Magnetic Diffusion
●USB-C to USB-A Cable
●Rapid Box Switch Insert (Bowens)
3
FJ400 Strobe: Overview
4
FJ400 Strobe: LCD Display & Menus
5
FJ400 Strobe: Warnings
Caution
●IMPORTANT: During operation, the flash tube, LED modeling lamp, and select components of
the FJ400 strobe temperatures will increase. Please use caution while using to avoid serious
burns or injuries.
●Use only with the Westcott FJ400 AC/DC Lithium Polymer Battery and/or AC Power Adapter and
Cord.
●Do not touch glass diffusion dome, flash tube, LED modeling lamp, or metal reflector after
immediate use to avoid potential injury.
●Never leave unattended around children and/or pets.
●Keep away from fire, water, and moisture.
●Do not submerge in water.
●Avoid drastic temperature changes before, during, or after use.
●Avoid direct skin contact with the flash tube and LED modeling lamp when replacing the flash
tube.
●Always remove the FJ400 AC/DC Lithium Polymer Battery from the FJ400 Strobe during
travel/storage to avoid accidental operation which could lead to overheating or permanent
damage.
●Do not overtighten tilter bracket tension knob or umbrella tension screw.
●Ensure the FJ400 is securely mounted before use.
●Only use compatible modifiers and accessories and ensure they are securely attached to the
FJ400 Strobe before use.
●Do not attempt to modify any Westcott products. Contact Westcott for assistance.
●The operating temperature range is 32-104°F(0-40°C).
Dual-Stage Heat Protection
The FJ400 is equipped with self-monitoring cooling fans to ensure safe operation. It is also equipped
with an automatic shutoff feature. In the rare event that the strobe has reached an unsafe operating
temperature, the screen will display OH (overheat). Once the unit has cooled, the OH will disappear from
the screen and it will then be safe to continue operation.
6
FJ400 Strobe: Firmware Updates
The FJ400 strobe is designed with a USB-C port to allow for firmware updates only. Future firmware
updates will result in performance enhancements, modified menu options, and improved menu layouts. It
is strongly suggested that you visit fjwestcott.com/4700 to confirm your strobe has the latest firmware.
Installing the Firmware
1. Visit fjwestcott.com/4700 and scroll to the Support section. Find and download the latest
firmware ZIP file.
2. Unzip the file and open the extracted folder.
3. Read the Changelog file.
4. Save the .BIN file to your computer.
5. Ensure the FJ400 is off and cooled before removing the battery from the strobe.
6. Connect the USB-C cable to the FJ400 and then to your computer.
7. Common operating systems will present the strobe as an external drive device.
8. Locate the firmware file on your computer and drag the file to the FJ400 (external device).
9. Once the file has been completely copied to the FJ400, eject the FJ400 from the computer.
10. Remove the USB-C cable from the FJ400 and reattach the battery.
11. Press the power button on the FJ400 to initiate the firmware update.
IMPORTANT
●It’s recommended that the firmware update installation process be completed only when the
connected computer’s power level is ≥ 50%. Loss of power of any type during this process could
render the FJ400 inoperable and require professional repair.
●Removing the USB-C cable from the FJ400 without properly ejecting the FJ400 from your
computer could render the strobe inoperable and require professional repair.
●Depending on the operating system and the applications running, copying the firmware from your
computer to the FJ400 may take a few minutes and/or halt the copying process. Should this
happen, close the copy progress window and try again. Further copying issues may require the
computer to be restarted.
7
FJ400 Strobe: Getting Started
Charging the FJ400 AC/DC Lithium Polymer Battery
The battery can be charged separate of the FJ400 or while attached to the FJ400. In both instances,
connect the power cord to the AC Adapter, connect the AC Adapter’s barrel plug to the battery AC
receptacle, and connect the power cord into a power outlet.
Attaching the FJ400 AC/DC Lithium Polymer Battery
Attach the FJ400 Battery to the strobe by aligning the silver connection points on the rear of the strobe
to the holes on the silver strips located on the back of the battery and slide the battery down until it locks
into place.
Removing the FJ400 AC/DC Lithium Polymer Battery
Ensure the FJ400 is OFF by long-pressing the Power | Model button until the LCD screen turns off. Then,
slide the release lock located on top of the battery away from the strobe, gently press the battery up and
away from the strobe to remove.
AC Power Operation
1. Ensure the battery charge level is ≥ 25%.
2. Ensure the battery is securely attached to the FJ400.
3. Plug the power cord into the AC Adapter.
4. With the strobe powered off, connect the AC Adapter’s barrel plug to the battery’s AC receptacle.
5. Plug the power cord into a dedicated power outlet.
6. Turn the strobe ON by pressing and holding the Power | Model button until the start-up screen
appears.
DC Power Operation
1. Ensure the FJ400 battery has been fully charged.
2. Ensure the battery is securely attached to the FJ400.
3. Turn the strobe ON by pressing and holding the Power | Model button until the start-up screen
appears.
8
FJ400 Strobe: Mounting
Mounting to a Light Stand
1. Rotate the tilter bracket’s handle counterclockwise until the light stand receptacle is
perpendicular to the strobe body.
2. Loosen the tension knob located lower on the tilter bracket.
3. Insert the light stand spigot into the FJ400’s 5/8"-16 mm tilter bracket receptacle.
4. Tighten the tension knob to secure the strobe to the light stand.
FJ400 Strobe: Attaching & Removing Modifiers
Connecting a Bowens Speedring & Modifier
1. Ensure the strobe is turned OFF and has cooled for five minutes.
2. Grasp the speedring attached to the modifier and align its three square mounting blocks with the
openings located on the face of the strobe.
3. Insert the speedring and turn clockwise until the speedring locks into place.
Removing a Bowens Speedring & Modifier
1. Ensure the strobe is turned OFF and has cooled for five minutes.
2. Grasp the speedring attached to the modifier.
3. Slide the strobe’s speedring release away from the modifier.
4. Rotate the modifier’s speedring counterclockwise until its three square mounting blocks align
with the openings. Pull the modifier away from the strobe to release.
Attaching an Umbrella-Based Modifier
1. Ensure the strobe is turned OFF and has cooled for five minutes.
2. Grasp the umbrella’s shaft and slide into the strobe’s umbrella receptacle.
3. Tighten the tension screw to secure the umbrella-based modifier (up to 8mm shaft).
Removing an Umbrella Based Modifier
1. Ensure the strobe is turned OFF and has cooled for five minutes.
2. Loosen the umbrella tension screw.
3. Grasp the umbrella’s shaft and gently slide the umbrella out of the FJ400 umbrella receptacle.
NOTE:
●Never force entry or removal of speedring, umbrellas, or modifiers.
●Use caution during the removal of modifiers to not damage the flash tube.
●Octagonal umbrella shaft may not fit into the FJ400 umbrella receptacle.
9
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