Protection function – Godox Witstro Ring Flash AR400 User Manual

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To avoid overheating or deteriorating the flash head, the over-temperature protection

function will be activated automatically after 10 continuous high-speed flashes and the

recycle time becomes 10s longer.

8. LED Light Control

Press the LED Light Control Button (14) to control LED light: Off

30%

70%

100%

Off……

When the LED light is turned on, the icon is shown on the LCD display.

Protection Function

Over-Temperature Protection

To avoid overheating and deteriorating the flash head, do not fire more than 40

continuous flashes in fast succession at 1/1 full power. After 40 continuous flashes, allow a

rest time of at least 10 minutes.

If you fire more than 40 continuous flashes and then fire more flashes in short intervals,

the inner over-temperature protection function may be activated and make the recycling

time about 10 to 15 seconds. If this occurs, allow a rest time of about 10 minutes, and the

flash unit will then return to normal.

When the over-temperature protection is started, is shown on the LCD display.

Number of flashes that will activate over-temperature protection:

Power Output Level

1/1

1/2+0.7

1/2+0.3

1/2

1/4(+0.3/+0.7)

1/8(+0.3/+0.7)

1/16(+0.3/+0.7)

1/32(+0.3/+0.7)

1/64(+0.3/+0.7)

1/128(+0.3/+0.7)

Number of Flashes (Approx.)

100

200

300

400

500

Power Output Level

1/1

1/2

1/4

1/8

1/16

1/32

Number of Flashes (Approx.)

Number of flashes that will activate over-temperature protection in high-speed sync
triggering mode:

Hi-Speed Sync Triggering

To enter mode, press both Mode Selection Button (16) and LED Light Control Button(14).

Press Mode Selection Button (16) again to exit mode.

In hi-speed sync triggering mode, you can use a hi-speed sync trigger to have your flash

unit synchronize with all shutter speeds of cameras(max. 1/8000 second, up to your

camera). This is convenient when you want to use aperture- priority for fill-flash portraits.

Note:

Hi-speed sync triggering mode is effective only when the flash unit is used together with

hi-speed sync trigger, e.g., Godox Cells II transceiver.

Hi-speed sync triggering mode is not available when the flash unit is mounted onto the

camera hotshoe.

Step

100%

70%

30%

Time of Auto off

5 min.

10 min.

15 min.

9. Buzz Function

The buzz function can be controlled by pressing BUZZ Button (15).

When the buzzer is turned on, is shown on the LCD display.

10. Wireless Control Function

The flash unit is built in with a Wireless Control Port (9) so that you can wirelessly control

the on-and-off of your flash, modeling lamp and buzzer, as well as adjust the flash output

level, etc.

To control the flash wirelessly, you need a Godox FT series remote control set (on-

camera and on-flash transceiver). Insert its receive end into the Wireless Control Port (9)

on the flash and insert the transmit end into the camera hot shoe. Settings made on the

hotshoe-mounted transceiver and receive ends will be wirelessly communicated to the

flash. Then you can press the camera shutter-release button to trigger the flash.

For full instructions on the use of FT series remote control, see its user manual.

When the flash unit receives wireless signals, is shown on the LCD display.

11. Sync Triggering

The Sync Cord Jack (10) is a

3.5mm plug. Insert a trigger plug here and the flash will be

fired synchronously with the camera shutter.

12. PC Sync Triggering

Insert one end of a PC sync cable into the PC Sync Socket (11) of the flash unit and the

other end into the PC Sync Socket on the camera. The flash unit will fire when the camera’s

shutter-release button is pressed.