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MN 6 6 2 7 8 5 T B U C
( F ) - 1 1 T r a v e r s e f i n e a d j u s t m e n t g a i n s e t t i n g ( T R V G 0 )
Data
(D7 to D0)
D7 D6 D5 D4 D3 D2 D1 D0
S e t t h e a b o v e v a l u e a f t e r s e t t i n g t h e T R V v a l u e .
( F ) - 1 2 S e t t i n g o f a u t o m a t i c a d j u s t m e n t r a n g e
T h e l i m i t s o f a d j u s t m e n t v a l u e s c a n b e s e t a r b i t r a r i l y i n t h e r a n g e o f 1 / 2
＋4 2 d B ) .
I n o r d e r t o e n s u r e a u t o m a t i c g a i n c o n v e r g e n c e w i t h i n a l i m i t e d , n a r r o w a d j u s t m e n t r a n g e t o p r e v e n t
e x c e s s i v e g a i n c h a n g e , w h i c h h a d d i f f i c u l t y i n c o n v e r g e n c e c o n t r o l , h o w e v e r , m a k e s u r e t h a t t h e m a x i m u m
a u t o m a t i c a d j u s t m e n t r a n g e i s ± 9 d B o n t h e b a s i s o f t h e g a i n s e t v a l u e .
・T r a c k i n g g a i n
A u t o m a t i c a d j u s t m e n t r a n g e
Data
(D7 to D0)
D7 D6 D5 D4 D3 D2 D1 D0
0
0
0 0 D3
D 7 D 6 D 5 D 4 D 3 D 2 D 1 D 0
0 0
0 0 D 3
・F o c u s g a i n
A u t o m a t i c a d j u s t m e n t r a n g e
Data
(D7 to D0)
D 7 D 6 D 5 D 4 D 3 D 2 D 1 D 0
0 0
0 0 D3
D 7 D6 D5 D4 D3 D2 D1 D0
0 0
0 0 D 3
A d d r e s s
C o m m a n d
( H E X )
( B 7 t o B 0 )
( A 7 t o A 0 )
37
G L T 3 / G L T 4 t o G L T 1 / G L T 2
Address
Command
(HEX)
(B7 to B0)
(A7 to A0)
3 D
D 2 D 1 D 0
3 E
3F
D 2 D 1 D 0
40
G L F 3 / G L F 4 t o G L F 1 / G L F 2
A d d r e s s
Command
( H E X )
( A 7 t o A 0 )
(B7 to B0)
3 9
D 2 D 1 D 0
3 A
3 B
D 2 D 1 D 0
3 C
( H E X )
Traverse gain
F 2
TRVG0/16
(HEX)
Tracking gain upper limit
F 2
mantissa)
GLT1 (
exponent)
GLT2 (
Upper limit: GLT1/2
Tracking gain lower limit
mantissa)
GLT3 (
exponent)
GLT4 (
Lower limit: GLT3/2
(HEX)
Focus gain upper limit
F2
mantissa)
GLF1 (
exponent)
GLF2 (
Upper limit: GLF1/2
Focus gain lower limit
mantissa)
GLF3 (
exponent)
GLF4 (
Lower limit: GLF3/2
S D D 0 0 0 2 6 A E M
T a b l e 7 - 1 - 4 ( 2 8 )
Function
(0 to 127)
8
t o 2 5 5 / 2 ( o r −4 8 d B t o
T a b l e 7 - 1 - 4 ( 2 9 )
F u n c t i o n
(128 to 255)
(0 to 7)
8-GLT2
(128 to 255)
(0 to 7)
8-GLT4
T a b l e 7 - 1 - 4 ( 3 0 )
F u n c t i o n
(128 to 255)
(0 to 7)
8-GLF2
(128 to 255)
(0 to 7)
8-GLF4
S e t t i n g
a t r e s e t
1 8
Setting
at reset
212
2
1 0 6
0
S e t t i n g
a t r e s e t
1 4 3
4
1 4 4
1
4 3
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