Color Adjustment Data Writing; Flash Adjustment - Casio QV-4000 Service Manual And Parts List

3-2. Flash adjustment

1. General
When you exchange a flash 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
1904 5411
1904 5412
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 1.5m x 2.0m)
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 DISP and MENU keys.
Push FLASH, FLASH, and MENU keys rapidly in order.
(4) Move control button up and down, select STROBE ADJUST and push the shutter release button.
(5) Adjustment is completed after emitting flash 4 times.
st
1 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
3 rd flashing; Checking brightness after changing PWM value.
th
4 flashing; Checking the circuit for changing aperture (F2.0 -> F5.6).
5. Block diagram
Parts name
Superior photographing background paper
Sperior photographing background paper
70 cm
QV-4000
— 18 —
Specifications
No. 22 (1.75 x 2.7m)
No. 22 (2.72 x 11m)
st flashing.
Back ground paper.