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7-2-11. HALL Adjustment
To eliminate the differences in the outputs of the hall element at-
tached to the iris for detecting the position of the lens iris, adjust the
hall AMP gain and hall offset.
Subject
Measurement Point
Lower 2 digits of the date of the page
Adjustment Page
Adjustment Address
33 to 37 during IRIS OPEN
B4 to B8 during IRIS CLOSE
Adjusting method:
1) Set data: 01 to page: 6, address: 00.
2) Set data: 03 to page: 6, address: 02.
3) Set data: 03 to page: 6, address: 01, and press the PAUSE button
of the adjusting remote commander.
4) Set data: 80 to page: F, address: 07, and press the PAUSE button
of the adjusting remote commander.
5)
Set data: 40 to page: F, address: 06, and press the PAUSE button
of the adjusting remote commander.
6) Read the page A display data, and this data is named W2.
7) Set data: 30 to page: F, address: 06, and press the PAUSE button
of the adjusting remote commander.
8) Read the page A display data, and this data is named W1.
9)
Set data: 01 to page: 6, address: 01, and press the PAUSE button
of the adjusting remote commander.
10) Read the page A display data, and this data is named K1.
11) Set data: 40 to page: F, address: 06, and press the PAUSE button.
12) Read the page A display data, and this data is named K2.
13) Convert W1, W2, K1, K2 to decimal notation, and obtain W1',
W2', K1',K2'. (Refer to Table 7-5. "Hexadecimal notation-deci-
mal notation conversion table".)
14) Calculate X1' using the following equations (decimal notation
Specified Value
calculation).
A= W2'+K1'— W1'- K2'
Equation 1
Bis WEAR?
sxirisessshoastecdaniccssesecevatebetvsecseeeeceers Equation 2
X17 = 2080+ 48 XA)— C6
XB)
Equation 3
AY'
15) Convert X1' to hexadecimal notation, and obtain X1.
(Round off to one decimal place)
16) Set data: X1 to page: F, address: 06, and press the PAUSE button
of the adjusting remote commander.
17) Change the data of page: F, address: 07, and adjust the page A
display data to "35".
18) Press the PAUSE button of the adjusting remote commander.
19) Set data: 03 to page: 6, address: 01, and press the PAUSE button
of the adjusting remote commander.
20) Read the page A display data, and this data is named WO. If WO
lies within the ""B4" to "B8" range, perform "Processing after
completing adjustments". If it lies outside the range, perform the
following adjustments.
21) Convert WO to hexadecimal notation, and obtain WO'.
22) Calculate X2' using the following equations (decimal notation
calculation).
C= WO0'= Bia '5 2). csc late idan cakes
Equation 4
X2'= Ha
eR
ee aa ieaselttectecte Equation 5
(XI and B' are values obtained from equations 2 and 3)
23) Convert X2' to hexadecimal notation and obtain X2.
(Round off to one decimal place)
24) Set data X2 to page: F, address: 06, and press the PAUSE button
of the adjusting remote commander.
25) Change the data of page: F, address: 07, and adjust tha page A
display data to "B6".
26) Press the PAUSE button of the adjusting remote commander.
27) Set data: 01 to page: 6, address: 01, and press the PAUSE button
of the adjusting remote commander.
28) Check that the page A display data lies within the "33" to "37"
range.
Processing after Completing Adjustments
1) Set data: 00 to page: 6, address: 01, and press the PAUSE button
of the adjusting remote commander.
7-18
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