Operating instructions

20-Inch B&W Monitor

AMM20

Chapter 3 – Operation

To turn on the monitor, press the power button on the front panel. After a

few seconds, video should appear on the monitor. If video does not appear,

refer to the Troubleshooting section of this manual.

Press the VIDEO button to switch between the two video sources. LEDs

will light to indicate whether the A or B source is displaying.

Press the SCAN button to switch between the over-scan and under-scan

modes. When set to UNDER, the entire image from the camera displays

with some black border showing. OVER is the normal CCTV application

setting, and the picture fills the entire monitor display.

The VOLUME knob is used to adjust the audio level.

Rotate the SHARPNESS knob to adjust the picture sharpness.

Rotate the CONTRAST knob clockwise to increase picture contrast and

counterclockwise to decrease contrast.

If the picture is too dark, rotate the BRIGHT knob clockwise to brighten it.

If the picture is too bright, rotate the BRIGHT knob counterclockwise to

darken it.

If the picture is skewed, adjust the H-HOLD (horizontal hold) by rotating

the knob clockwise or counterclockwise until the picture is stationary.

If the picture rolls, adjust the V-HOLD (vertical hold) by rotating the knob

clockwise or counterclockwise until the picture is steady.

Rotate the H-SIZE knob to increase and decrease the horizontal size of the

image on the monitor display..