Speco Technologies SIPT5 - Manual (Page 63)

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4. Digital Noise Reduction (Dynamic Noise Reduction)
DNR is to reduce the noise on the screen.
a. Press the SET button to display the SETUP menu and move
arrow indicator to ‘ DNR ’ using the UP or DOWN button.
b. SET ‘ DNR ’ to the desired mode using the LEFT or RIGHT
button.
OFF : Deactivation
LOW : Low reduction of the noise
MIDDLE : Middle reduction of the noise
HIGH : High reduction of the noise
NOTE: If you change the ‘GAIN’ menu from AGC-L to AGC-H
sensitivity is increased as well as noise on the screen.
When selected ‘GAIN’ menu OFF, DNR will not work.