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4. Adjustment
4-1. Flash adjustment
1. General
When you exchange a flash unit or lens unit please perform this adjustment.
2. Necessary equipment
(1) Dark room
(2) AC adaptor
(3) Gray paper (Superior's oxford gray No. 22)
The following sizes are available from us (also available from camra shop).
Parts code Parts name Specifications
1904 5411 Superior photographing background paper No. 22 (1.75 x 2.7 m)
1904 5412 Sperior photographing background paper No. 22 (2.72 x 11 m)
3. Condition
(1) Perform in a dark room.
(2) Distance between flash lens and gray paper should be 70 ± 5 cm.
(3) Use lighter color of the gray paper.
Paper should be larger enough to fit in a picture taken from 70 cm distance.
(Reference; more than 1.5 m x 2.0 m)
4. Adjustment
(1) Connect an AC adaptor to the camera.
(2) Set the camera in REC mode.
(3) Boot MENU 2 in the test mode by the following operations;
Turn the power on while pushing SHIFT and MENU keys.
Push FLASH, FLASH, and MENU keys rapidly in order.
(4) Using + and – keys, select STROBE ADJ and push the shutter release button.
(5) Adjustment is completed after emitting flash 5 times.
1
st
flashing; Checking amount of light in normal shooting
(Emitting 4 times maximum changing PWM value.)
2
nd
flashing; Confirming amount of light of the 1
st
flashing.
3
rd
flashing; Checking brightness after changing PWM value.
4
th
flashing; Checking the circuit for changing aperture (F2.8 -> F5.6).
5. Block diagram
CARD
POWER
ON/OFF
W
T
MENU
PLAY
REC
SHIFT
INFO
RESIZE
MF
70 cm
Back ground paper.
QV-2900UX
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