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I I n n s s t t a a l l l l i i n n g g t t h h e e P P o o r r t t
There are two port locks on
the front of the housing.
(See housing front) Each
port lock has a Release
Button, lift the release
button and slide each Port
Lock away from the port
opening. In the unlocked
position the Release Button
will remain in the up
position as shown.
To prepare the port for installation, remove the port o'ring and
lightly lubricate it. The port seal is a side-to-side seal and
requires the o'ring to be lightly lubricated for easy installation.
Put a small amount of lubricant on your fingers and draw the
o'ring through your fingers to lightly lubricate it. Do not stretch
the o'ring. Check that the lip of the port where the o'ring fits
and the sealing surface on the housing are clean. Place the port,
with o'ring into the housing's port opening. Press down on the
port firmly and evenly until you feel the port slide into place.
Continue to push down on the port and push each port lock
forward until it clicks into place. It may help to slightly rotate
the port as you push in on the port lock. When the port lock
clicks into place the Release Button will drop down against the
port lock.
Check around the perimeter of the port seal to see that the
o'ring is properly sealed and not extruded.
U U s s i i n n g g E E x x t t e e r r n n a a l l S S t t r r o o b b e e s s
This housing has Conversion Circuitry built into the housing.
When used with Ikelite DS Substrobes the Conversion Circuitry
provides real Olympus TTL flash exposure with over and under-
exposure compensation of two f-stops in half-stop increments.
The Conversion Circuitry also offers Manual exposure control
with 3 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 #41 03.51 single or
#41 03.52 dual sync cord.
See page 1 6-1 7 for DS Substrobe compatibility with the
Conversion Circuitry.
U U s s i i n n g g t t h h e e C C o o n n v v e e r r s s i i o o n n C C i i r r c c u u i i t t r r y y
• • T T T T L L M M o o d d e e
TTL Mode compensation values are
indicated in the yellow band. Place
the Setting Indicator to T T T T L L f f o o r r N N O O
C C o o m m p p e e n n s s a a t t i i o o n n . Rotate the Dial either
direction to select + /- compensation.
Place the Setting Indicator to the
desired compensation value.
Note that in TTL compensation
values are in 1 /3 f-stops.
• • M M a a n n u u a a l l M M o o d d e e
Manual Mode compensation values are indicated in the black
band. Rotate the Dial to place the Setting Indicator to the desired
compensation value. Note that in Manual Mode compensation
values are in 1 /2 f-stops from (F) full power to -3 f-stops.
S S u u b b s s t t r r o o b b e e t t o o T T T T L L m m o o d d e e ) )
Port Lock
Release
Button
Locked Position
Lift Release
Button to
Unlock
Pull Back to
Disengage
Unlocked Position
Port
13
( ( S S e e t t D D S S S S u u b b s s t t r r o o b b e e t t o o T T T T L L m m o o d d e e ) )
TTL Scale
(yellow)
(1/3 stops)
Setting
Indicator
DIAL
Manual Scale
(black)
(1/2 stops)
M M o o d d e e a a n n d d C C o o m m p p e e n n s s a a t t i i o o n n D D i i a a l l
( ( S S e e t t D D S S
15
I I n n s s t t a a l l l l i i n n g g t t h h e e P P o o r r t t c c o o n n t t . .
P P o o r r t t S S e e a a l l I I n n s s i i d d e e V V i i e e w w
If the port is installed before the camera is inserted into the
housing, look 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.
T T o o R R e e m m o o v v e e P P o o r r t t
To remove the port lift up on each
Release Button and slide the port
lock away from the port.
C C a a u u t t i i o o n n : :
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.1 0). If the Zoom Clamp is still warped,
use of the # 5509.28 package may be required. (See page 7)
N N O O T T E E : : D D S S S S u u b b s s t t r r o o b b e e U U p p - - d d a a t t e e m m a a y y b b e e r r e e q q u u i i r r e e d d . .
D D S S 5 5 0 0 S S u u b b s s t t r r o o b b e e s s
• DS50 SubStrobes with a Serial Number below 63,850 can not
be updated to operate with the TTL Conversion Circuitry.
• DS50 SubStrobes with a Serial Number between 63,850 and
69,999 operate with the TTL Conversion Circuitry, but require
update to provide optimum performance.
• DS50 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 TTL Conversion Circuitry.
D D S S 1 1 2 2 5 5 S S u u b b s s t t r r o o b b e e s s
• DS1 25 Substrobes with a Serial Number below 2,500 must be
updated to operate correctly with the TTL Conversion Circuitry.
• DS1 25 Substrobes with a Serial Number between 2,501 and
4,900 operate with the TTL Conversion Circuitry but require
update to provide optimum performance.
• DS1 25 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 TTL Conversion Circuitry.
F F o o r r S S u u b b s s t t r r o o b b e e U U p p - - D D a a t t e e : :
Contact Ikelite for information.
ikelite
Substrobe
Substrobe
serial number
MOD-NC
Fig. 1
Fig. 2
14
serial number
16
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