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If you are using a Canon brand flash unit with ETTL function on your camera, and the EF-500 Super flash unit as
a slave unit, please do not use ETTL function, as the monitor pre-flash may cause the slave to fire prematurely.
Designated Slave Flash
If you use two or more EF-500 Super flash units, you can designate which flashes will fire together by using the
channel settings. In this mode, one flash unit will be used as the Slave Controller and the others for firing as Slaves.
Setting the Slave Flash unit(s) for firing
1. Attach the firing flash unit to the camera body.
2. Set the camera’s exposure mode to S or M mode.
ۋThen set the shutter speed to 1/30 or slower. The slave Controller
will transmit the designated signal before the others fire. Thus if you
use a shutter speed faster than 1/30, the firing flash units will not be
synchronized.
3. Switch “ON” the flash unit, and press the camera’s shutter button halfway.
ۋNow, aperture value and film speed are automatically transmitted to the slave flash unit.
4. Remove the slave flash unit from camera.
5. Press the MODE button and select the / . (Slave Mode)
6. Press the SEL button to make the channel display indicator blink.
7. Press the + button or – button to set the channel number. (C1 or C2)
8. Press the SEL button to make the output amount display indicator of flash blink.
9. Press the + button or – button to set the flash output amount.
ۋ Set the flash power by setting the distance indicator on the LCD panel to coincide as closely as possible
with the actual distance from the slave flash to the subject. If the actual distance is out of range, you need
to change the aperture value.
10. Press the SEL button several times to make the display stop blinking.
11. Place the slave unit in the desired location. Do not place the slave unit within the picture area.
Setting for Slave Controller unit
12. Attach the Slave Controller flash unit to the camera body.
13. Press the MODE button and select the / (Slave Mode).
14. Press the SEL button to make the channel display indicator blink.
15. Press the + button or – button to set the same channel number as
that set on the firing flash unit.
16. Press the SEL button to make the flash output amount display
indicator blink.
17. Press the + button
mark displayed.
18. Press the SEL button to make the display stop blinking.
19. After you confirm that all flash units are fully charged, press the shutter button to take the picture.
ۋ When the firing flash unit of EF-500 Super is fully charged, the AF Auxiliary Light will blink.
ۋ You cannot set the aperture value by SEL button, if you select the mark at the setting of flash
output amount. The flash unit will be set to the Slave Controller mode.
ۋ The Slave Controller unit functions only to control the slave unit.
SPECIFICATIONS
TYPE : Clip-on type serial-controlled TTL auto zoom electric flash
GUIDE NUMBER : 50 (ISO 100/m, 105mm head position)
POWER SOURCE : Four AA type alkaline batteries or, : Four AA type Ni-Cd batteries or,
: Four AA type Ni-MH Nickel-Metal Hydride
RECYCLING TIME : about 6.0 sec. (Alkaline batteries)
: about 4.0 sec. (Ni-Cd, Ni-MH Nickel-Metal Hydride)
NUMBER OF FLASHES : about 220 flashes (Alkaline batteries)
: about 100 flashes (Ni-Cd, Ni-MH Nickel-Metal Hydride)
FLASH DURATION : about 1 / 700 sec. (full power firing)
FLASH ILLUMINATE ANGLE : 28mm 㹳 105mm motor powered control (17mm with Built-in Wide Panel)
AUTO POWER OFF : Available
COLOR TEMPERATURE : Suitable for Daylight type Color Films