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Fj400 strobe: advanced functions, Mask function – Westcott FJ400 Strobe 2-Light Location Kit with FJ-X3m Universal Wireless Trigger User Manual

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Normal: 1/800~1/8500s

Freeze: 1/800~1/19000s

FJ400 Strobe: Advanced Functions

Mask Function

Ideal for creating in-camera cutout masks of foreground objects for use with image editing software for
easy background replacement and compositing.

NOTE: Available in Manual Mode Only. See section “

Enabling ‘Manual’ Mode Operation

.

NOTE: Optical Triggering is disabled in Mask Function.
IMPORTANT: A minimum of two FJ400 Strobes is required.

1. After setting Manual Mode on the FJ400 in MENU 1, press Button 1 repeatedly until MENU 4

appears in the cyan square at the top right of the screen.

2. Press Button 2 (Mask) to activate mask functionality which will turn Button Icons 3 and 4 from

disabled (gray) to enabled (black).

3. Press Button 3 (All) to highlight the total number of exposures to be taken in the masking

sequence (2-6). Rotate the Control Dial to the desired number and press the center button and/or
wait three seconds to engage your selection.

4. Press Button 4 (SEQ#) to highlight where in the sequence of exposures this individual strobe will

fire. Rotate the Control Dial to the desired number and press the center button and/or wait three
seconds to engage your selection.

a. NOTE: Your selection choices (1-6) will be limited to the number of exposures you set in

the “All” menu plus the number 1 for the first strobe(s) to fire in the exposure sequence of
2 or more. You can assign up to 20 individually programmed FJ400 strobes to a
sequence order number (1-6).

Here’s a method to create a simple mask to isolate an image from the background:

1.

In Menu 4, Set Button 3 (All) to 2 on every strobe being used to create the two (2) masking
images.

2.

Set Button 4 (SEQ#) on any strobe that’s lighting the foreground subject to the number 1 as they
will light the first exposure.

3.

Set Button 4 (SEQ#) to number 2 on any strobe that’s lighting your white background. These
strobes will fire with your second exposure. Light from the strobe(s) that is set on No. 2 should
not spill onto the foreground subject to ensure a crisp mask.

NOTE: Optimal Mask Function results are achieved utilizing a tripod and the

FJ-X2m Wireless Radio

Trigger.

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