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31 August 1989
7.6 ADS Reference Voltage Setting
When:
Every call
Purpose:
To maintain correct ADS mode operation
Target:
ADS reference voltage = from 2.6 to 3.1 volts
Measure:
SP 56
How:
The main CPU automatically stores the reference voltage displayed in
the guidance display ("V0") during SP 56 operation. (This voltage setting
is valid only when the ADS reference voltage is from 2.6 to 3.1 volts.)
This process saves time because the rear cover does not have to be removed to
adjust the ADS reference voltage.
1. Clean the optics, and select ADS mode. Then, set SP 56.
2. Place three sheets of A3/LDG white paper on the exposure glass, and press the Enter key.
and then, the Start key.
3. Check if the ADS reference voltage "V0" is within specifications (from 2.6 to 3.1 volts).
4. After more than three scannings are finished, press the Clear/Stop key. The ADS
reference voltage is now newly stored.
NOTE: If it is not within specifications, perform "ADS Voltage Adjustment.
5-54
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