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14
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This housing has Conversion Circuitry built into the camera
t
ray. When used with Ikelite DS Substrobes the Conversion
Circuitry provides real Canon eTTL flash exposure with over and
under-exposure compensation of two f-stops in half-stop
increments.
The Consversion Circuitry also offers Manual exposure control
with 3 1/2 f-stops of under-exposure control in 1/2 stop
increments.
The Conversion Circuitry is powered by the Ikelite DS Substrobe
when connected to the housing with the #4103.51 single or
#4103.52 dual sync cord.
S
ee page 12 for DS Substrobe compatibility with the Conversion
Circuitry.
13
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TToo RReemmoovvee PPoorrtt
To remove the port lift up on each Release Button and slide the
port lock away from the port.
PPoorrtt SSeeaall IInnssiiddee VViieeww
If the port is installed before the
camera is inserted into the housing,
l
ook on the inside of the housings at
the port seal. Check to see that the
o’ring is properly sealed as shown in
figure 1 and not extruded as shown
in figure 2.
Fig. 1
Fig. 2
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After installing the port, turn the Zoom Control knob on the
housing. If the Zoom Control is difficult to turn, the gear sleeve
may be warped. If so reduce or omit any rubber installed on the
Zoom Clamp. (Fig.H on pg.11).
If the Zoom Clamp is still warped,
use of the #5509.28 package may be required. (See page 7)
16
NNOOTTEE:: DDSS SSuubbssttrroobbee UUpp--ddaattee mmaayy bbee rreeqquuiirreedd..
DDSS5511 SSuubbssttrroobbeess
• DS51 SubStrobes with a Serial Number below 63,850 can not be
updated to operate with the eTTL Conversion Circuitry.
• DS51 SubStrobes with a Serial Number between 63,850 and
69,999 operate with the eTTL Conversion Circuitry, but require
update to provide optimum performance.
• DS51 Substrobe with a Serial Number of 70,000 or higher or
with one of the two following labels in the battery compartment
provide optimum performance with the eTTL Conversion
Circuitry.
DDSS112255 SSuubbssttrroobbeess
• DS125 Substrobes with a Serial Number below 2,500 must be
updated to operate correctly with the eTTL Conversion Circuitry.
• DS125 Substrobes with a Serial Number between 2,501 and
4,900 operate with the eTTL Conversion Circuitry but require
update to provide optimum performance.
• DS125 Substrobe with a Serial Number of 5,000 or higher or
with one of the two following labels in the battery compartment
provide optimum performance with the eTTL Conversion
Circuitry.
ikelite
SubstrobeSubstrobe
MOD-NC
serial number
serial number
FFoorr SSuubbssttrroobbee UUpp--DDaattee::
Contact Ikelite for information.
15
UUssiinngg tthhee CCoonnvveerrssiioonn CCiirrccuuiittrryy
((SSeett DDSS SSuubbssttrrbbooee ttoo TTTTLL mmooddee))
•• MMooddee aanndd CCoommppeennssaattiioonn BBuuttttoonnss
The Conversion Circuitry default is set to TTL. To switch between
TTL and Manual Modes depress both Mode Buttons at the same
time and keep them depressed until you see the desired Yellow
LED Mode illuminate.
•• TTTTLL MMooddee
(indicated when the yellow LED directly below TTL is
illuminated). TTL Mode is the default setting. When the DS
Substrobe is powered ON the yellow TTL LED will illuminate.
None of the Red LEDs will illuminate. This indicates that NO (+)
plus or (-) minus compensation is selected. Depress the Mode
buttons to select +/- compensation. Note that the TTL +/-
compensation values are in the yellow bar with the heading TTL.
•• MMaannuuaall MMooddee
(indicated when the yellow LED directly below
the M is illuminated). When the Manual Mode is selected the Red
LED directly below the F (full power) will illuminate. Note that
the Manual minus (-) compensation values are in the black bar
with the heading M.
((SSeett DDSS SSuubbssttrrbbooee ttoo TTTTLL mmooddee))
F
-1-2-3
M
••••
MODE
-2
-1 +1 +2
TTL
••••
Red LEDs (Compensation)
Mode &
Compensation
Buttons
Manual Mode
Yellow LED
TTL Mode
Yellow LED
33
UUssiinngg EExxtteerrnnaall SSttrroobbeess CCoonntt..