Hitachi HV-F22F Operation Manual page 47

a) FOCUS GATE (SIZE)
Setting for focus data output area size.
-ON-
Setting value 820xx0yyh
b) FOCUS GATE (POSITION)
Setting for focus data output area position.
-ON-
Setting value 820xx0yy h
c) FOCUS DETECTION
Return focus data.
-DATA-
00000000 h(MIN) to FFFFFFFF h(MAX)
(8) INDICATOR
Each type of indicator is displayed.
-OFF-
Setting value 80000000 h
-ON-
Setting value 8200000x h
33
(CSR: F200 00F4 h)
xx: 00h to FFh (H size)
yy: 00h to FFh (V size)
(CSR: F200 00F8 h)
xx: 00h to FFh (H position)
yy: 00h to FFh (V position)
(CSR：F200 00FC h) (read only)
(CSR: F200 0100 h)
x：1- display WHITE GATE、2- display FOCUS GATE