Hitachi HV-F31F - Manual (Page 39)

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b) (SHARPNESS) LEVEL DEPENDENT. (CSR: F200 00B4 h)
Sharpness is decreased at levels below a certain amount. Used mainly to avoid noise enhancement in
dark signal components.
-Manual adjustment-
Setting value 820000xx h xx: 00h toFFh
Setting toward FFh reduces the sharpness level and expand the video signal level range.
c) (SHARPNESS) CLISP
(CSR: F200 00B8 h)
Below a certain level, the sharpness signal is removed to avoid appearing as noise. But if the level is set
too low, some blurring can occur in detailed components.
-Manual adjustment-
Setting value 820000xx h xx: 00h to FFh
Setting toward 00h reduces sharpness level; setting toward FFh increases sharpness level.
d) (SHARPNESS) H/V BALANCE (CSR: F200 00BC h)
Balance setting for horizontal and vertical sharpness level.
-Manual adjustment-
Setting value 820000xx h xx: 00h to FFh
Setting toward 00h reduces vertical sharpness level; setting toward FFh reduces horizontal
sharpness level.