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7.
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
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., PIXAPRO Pro ST-II transceiver.
Hi-speed sync triggering mode is not available when the flash unit is mounted onto the
camera hotshoe.
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.
Number of flashes that will activate over-temperature protection in high-speed sync
triggering mode:
Power Output Level
Number of Flashes (Approx.)
1/1
10
1/2
15
1/4
20
1/8
30
1/16
40
1/32
50
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
Step
Time of Auto off
100%
5 min.
70%
10 min.
30%
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
Technical Data
RIKO400
Model
Battery
AR-B4500 (Li-ion battery 11.1V/4500mA)
400Ws
Max Power(Ws)
36
Guide Number(m ISO 100)
Approx.450 times
Full Power Flashes (1/1)
M/S1/S2 Mode
1/128~1/1
1/128~1/4
RPT Mode
1/32~1/1
High-Speed Sync
0.05~2.8s
Recycle Time
Color Temperature
5600K±200K
1/300s-1/10000s
Flash Duration
3.5mm/PC Sync cord, Slave triggering, Test button,
Triggering Method
Wireless control port
100% LED Brightness(LUX)
440 (0.5 m)
22.5*23*7cm
Dimension
Approx.1.4kg
Net Weight (with battery)
Maintenance
Shut down the device immediately should abnormal operation be detected.
Avoid sudden impacts and the lamp should be dedusted regularly.
It is normal for the flash tube to be warm when in use. Avoid continuous flashes if
unnecessary.
Maintenance of the flash must be performed by our authorized maintenance department
which can provide original accessories. The flash-tube is user-replaceable. Replacement
tubes can be obtained from the manufacturer.
This product, except consumables e.g. flash tube, is supported with a one-year warranty.
Unauthorized service will void the warranty.
If the product had failures or was wetted, do not use it until it is repaired by
professionals.
Disconnect the power when cleaning the unit or when changing the flashtube.
Changes made to the specifications or designs may not be reflected in this manual.
mode.
icon is shown on the LCD display.
- 8 -
- 10 -
level, etc.
To control the flash wirelessly, you need a PIXAPRO Pro AC 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 Pro AC series remote control, see its user manual.
When the flash unit receives wireless signals,
11. Sync Triggering
The Sync Cord Jack (10) is a Φ3.5mm 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.
Protection Function
Over-Heat 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,
Number of flashes that will activate over-temperature protection:
Power Output Level
Number of Flashes (Approx.)
1/1
40
1/2+0.7
60
1/2+0.3
80
1/2
100
1/4(+0.3/+0.7)
200
1/8(+0.3/+0.7)
300
1/16(+0.3/+0.7)
400
1/32(+0.3/+0.7)
400
1/64(+0.3/+0.7)
500
1/128(+0.3/+0.7)
500
is shown on the LCD display.
is shown on the LCD display.
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