(**) cont. Also, when the batteries are near exhaustion the voltage level tends decreases, and the
actual strobe output may be slightly less than indicated. Alkaline batteries especially have this
tendency for voltage to decrease, so also consider this factor when precise and/or full strobe output
is necessary.
Calculate manual exposure using this seal as a guideline.
ISO 100 Underwater Manual Exposure
Manual Setting Position
Distance
- Digital Camera -
Ft. m Full -1 -2 -3 -4 -5
1 0.3 22 16 11 8 5.6 4
2 0.6 16 11 8 5.6 4 2.8
3 0.9 11 8 5.6 4 2.8 2
4 1.2 8 5.6 4 2.8 2
G.N.=22
6 1.8 5.6 4 2.8 2
ISO 100 x m
8 2.5 4 2.8 2
on land
Proper manual exposure may vary due to several factors including; water conditions / visibility,
angle and distance of strobe to subject, reflectivity of subject, amount of magnification of lens etc.
Learning to obtain optimum manual exposure requires testing and experience.
Z-220 Care and Maintenance
To obtain best performance from your Z-220, please follow these preventative care and
maintenance guidelines.
1) Protect the Z-220 from excessive impact shock and vibration. Do not
drop. Do not leave on a vibrating boat deck without some cushioning,
for example. Especially, protect the Optical Sensor. Use some towels
or padding under the arm connector (see figure) to prop up the strobe so
there is no pressure exerted on the Optical Connector.
2) Do not leave strobe exposed to direct sunlight or other areas of high temperature.
3) Do NOT disassemble or attempt to self-repair. The strobe contains very high voltage
circuitry. Disassembling could lead to severe electric shock and injury. If you think the
strobe is in need of repair, always contact Inon or your Inon dealer.
INON Z-220 Manual
Version 1.41 Dec. 24, 2002
Translation Copyright 2002 by Mark Rupert
21
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