Hitachi HV-D37A Home Security System User Manual


 
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8. LEVEL
This menu screen allows you to set up a black level and gain of R/B video signal.
1) ENABLE : Level control ON/OFF setting.
2) R GAIN : R gain level setting
The allowable setting range is -128 to 127.
Pressing the R button increases a numeric value to make the R video signal gain higher. Pressing the L
button decreases a numeric value to lower the R video signal gain. For 0 (zero) setting, hold down both
the L and R buttons for approx. two seconds.
3) B GAIN : B gain level setting
The allowable setting range is -128 to 127.
Pressing the R button increases a numeric value to make the B video signal gain higher. Pressing the L
button decreases a numeric value to lower the B video signal gain. For 0 (zero) setting, hold down both
the L and R buttons for approx. two seconds.
4) R BLK : R black level setting
The allowable setting range is -128 to 127.
Pressing the R button increases a numeric value to make the R video signal black level higher. Pressing
the L button decreases a numeric value to lower the R video signal black level. For 0 (zero) setting, hold
down both the L and R buttons for approx. two seconds.
5) B BLK : B black level setting
The allowable setting range is -128 to 127.
Pressing the R button increases a numeric value to make the B video signal black level higher. Pressing
the L button decreases a numeric value to lower the B video signal black level. For 0 (zero) setting, hold
down both the L and R buttons for approx. two seconds.
Note: In case of CAM MODE: AUTO, numeric values of R BLK, B BLK become ineffective.