Pentax K100D Service Manual page 70

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24. Shutter speed adjustment by histogram (1/4000 sec)
[Caution]
* Adjustment (SLR function and Digital function) should be completed before
* Shutter speed adjustment required when replaced T100 or 0-E000.
* When check the shutter speed by the reflection type of the shutter tester, follow the SLR function
adjustment in the service manual.
[Required equipment]
Programmed software (for SLR operation), Computer(Windows 2000, XP with equipped USB port)
Memory card (For test), AC adaptor, Diaphragm set ring F8 (KA-0-1A) and AE master lens (ML-240) or
FA50mm F1.4, Light box which has LV8 or LV9, Scale, USB cable (I-USB17)
24-1 Preparation
Preparation of Program soft adjustment I (SLR Operation) and setting should be completed
24-2 Setting the camera
Setting the camera as follows
Mode dial: Manual exposure mode
Focus lever: MF
WB: Tungsten light
ISO: 200
[Menu]:
Capture: Setting the Image Tone --- Natural (Except istD)
Quality level / Recorded Pixels -- *** Best, 6M (L)
Saturation, Sharpness, Contrast --- Standard
Playback: Quick view --- 5 Seconds
Custom: Using aperture ring --- Set to disable shutter release when lens aperture ring is set at other than A
Relation of setting on TV and ISO
Light value
Shutter speed (ms)
ISO sensitivity
24-3 Checking procedure
1) Set the light value at LV8 (or LV9)
2) Set TV at 250 and ISO 200 ( When set LV9: Set TV at 500 and ISO 200)
3) Attach F8 setting ring and AE master lens
4) Set aperture at F1.4 (Open position)
5) Set the camera to the light box
* To avoid the light from outside, shield the light source
6) Capture 3 images --- Standard data
Playback display --- Setting the Histogram display
LV8
1/250 1/4000
ISO200 ISO3200
76700 -69/94-
LV9
1/500 1/4000
ISO200 ISO1600