Flash Adj - Samsung ST76 Service Manual

7-4 Flash ADJ

■ Set a limit to the illuminance by the Strobe light to classify the hardware defect.
■ Classify the set that deviates from the specifications by illuminating 2 times and then calculate the flash R, B gain.
<Adjustment method>
1. Attach an 18% reflective paper in the dark room where the light is blocked.
2. Set up the camera in the dark room.
3. Set the distance between the reflective paper and camera to 50cm.
4. Save the applicable adjustment file to the memory card.
5. After installing the memory card containing the program file, turn on the power of the camera.
6. The adjustment will automatically start.
Compare the reference illumination for 2 illuminations using the flash algorithm, and make a judgment.
q
By using the average value of the illuminance of 2 times, check the R and B gain to make Pass/No
w
Pass judgment.
Record the R and B gain to EEPROM during flash process and R, B gain success.
e
<Adjustment result>
On the memory card, open and check if a CSV file was generated from the adjustment.
<Restriction>
If the capacity of CSV file is more than 30KB, clear all of the previous data and then, record
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Reflective paper
50cm
Tripod
Fig. 7-3
Camera
Adjustment
7-5