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Hitachi VK-S274R Service Manual page 41

Color & b/w video camera
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Adjustment > Error Messages and Countermeasure
Error Messages
TOO BRIGHT
PRESS ANY KEY
TOO DARK
PRESS ANY KEY
AF ERROR
AF LIMIT OVER
TIME OUT ERROR ON AF STEP
TIME OUT ERROR ON FOCUS
TIME OUT ERROR ON ZOOM
TOO DARK
TRACE ERROR. ADJUST ZOOM TRACE & AF
NOISE AGAIN
ERROR!!
SPOT NOISE COMPENSATION IS
STOPPED BY INITIAL DATA.
PLEASE CHECK THE EEPROM.
PRESS ANY KEY.
ERROR!!
THE SPOT NOISE IS TOO MANY.
CAN'T COMPENSATE ANY MORE.
PRESS ANY KEY.
ERROR!!
THRESHOLD DATA ERROR.
PLEASE CHECK THE EEPROM.
PRESS ANY KEY.
1) The subject is too bright.
2) Move the camera further away from the light box.
1) The subject is too dark.
2) Check the light box.
3) Move the camera closer to the light box.
When adjusting the auto focus
1) If this error message appears even when the
adjustment is performed 2 or 3 times, the autofocus
circuit system is defective.
2) Refer to "(4) No zoom and focus operation" on "4-1-2
Trouble Diagnosis Flowchart".
1) Check the conditions of subject.
2) If this error message appears even when the
adjustment is performed 2 or 3 times, the autofocus
circuit system is defective.
3) Refer to "(6) No focus lens operation" on "4-1-2
Trouble Diagnosis Flowchart".
1) Check the conditions of subject.
2) If this error message appears even when the
adjustment is performed 2 or 3 times, the autofocus
circuit system is defective.
3) Refer to "(4) No zoom and focus operation" on "4-1-2
Trouble Diagnosis Flowchart".
1) If this error message appears even when the
adjustment is performed 2 or 3 times, the autofocus
circuit system is defective.
2) Refer to "(7) No zoom operation" on "4-1-2
Trouble Diagnosis Flowchart".
1) Insufficient lighting. Check the subject.
1) Supply power again and readjust.
When adjusting the spot noise
1) Spot noise compensation is inhibited by the data in
the EEPROM.
2) Turn the power on again.
3) Data in the EEPROM is defective. (data Initialize it.)
4) Check the EEPROM, and if necessary, replace it.
1) The amount of spot noise that can be compensated
reaches the limit.
2) Turn the power on again.
3) Check the image sensor, and if necessary, replace it.
1) Turn the power on again.
2) Data in the EEPROM is defective. (data Initialize it.)
3) Check the EEPROM, and if necessary, replace it.
6 - 15
Countermeasure

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