Unsuccessful troubleshooting
• Switch off the flash unit by its main switch, wait
briefly, and then switch on again.
• Reset the flash unit settings (see section 6.3).
If the flash unit should still not function properly
even though all suggested solutions have been
observed, then please contact an authorised dealer.
Forming the flash capacitor
For technical reasons it is necessary to switch on
the flash unit for approx. 10 minutes (in standby
mode) every 3 months. The capacitor incorporated
in the flash unit undergoes a physical change if
the flash unit is not switched on for prolonged
periods.
The batteries must supply sufficient power for flash
readiness to be indicated within 1 minute after the
unit was switched on.
8. Technical data
Guide number at ISO 100 / 21°:
28 (with 7 mm telephoto attachment)
22 (without attachment)
16 (with 2.5 mm wide-angle diffuser)
Flash modes:
TTL, Manual M and MLo
and additionally ...
with 28 AF-3 C digital:
Canon E-TTL, flash exposure storage FE
with 28 AF-3 N digital:
Nikon i-TTL, i-TTL-BL
with 28 AF-3 M digital:
Minolta ADI and preflash technology for digital
cameras
with 28 AF-3 O digital:
Olympus TTL for Camedia digital cameras
... depending on the type of camera used.
Manual light output settings:
P 1/1, P 1/8
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