The Relationship between AGC and Open Shutter Settings

Table 3–1explains which settings may be changed based on the current AGC/Shutter setting.

Table 3–1: AGC Maximum Gain and Shutter Limit settings

 

AGC/Shutter Setting

 

 

Max Gain

 

 

Limit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AGC Off

 

N/A

 

 

N/A

 

 

 

 

 

 

 

 

 

 

 

AGC On

 

 

0-28dB (NTSC)

 

 

N/A

 

 

 

 

0-29dB (PAL)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Open Shutter

 

 

0-28dB (NTSC)

 

 

1/2-1/60 (NTSC)

 

 

 

 

0-29dB (PAL)

 

 

2/3-1/50 (PAL)

 

 

 

 

 

 

 

 

 

 

Configuring AGC and Open Shutter Settings

1.Select Camera Functions from the Dome Configuration Menu.

2.Move the highlight to AGC/Shutter mode field. The highlight appears in the first field (AGC/ Mode).

3.Select one of the following:

•Select AGC On to set AGC to automatic mode. This allows you to adjust the maximum AGC gain setting (in decibels). Continue with step 4.

•Select AGC Off to set the AGC to minimum level. You cannot adjust the maximum AGC gain or shutter limit settings. Continue with step 7.

•Select Open Shutter to enable field integration. This allows you to adjust the maximum AGC gain and shutter limit settings. Continue with step 4.

The default setting is Open Shutter.

4.Move the highlight to Max Gain field. Change the setting. The following settings are available:

•For NTSC cameras, the setting values range from 0 to 28dB.

•For PAL cameras, the setting values range from 0 to 28dB.

5.If you need to change the shutter limit setting, continue with step 6. Otherwise, continue with step 7.

6.Move the highlight to the Limit field. Change the setting. The following settings are available:

•For NTSC cameras, the setting values range from 1/2 to 1/60.

•For PAL cameras, the setting values range from 2/3 to 1/50.

The default setting is 1/4 for NTSC and 1/4 for PAL.

7.Select Exit. The Dome Configuration Menu appears. Continue with What To Do Next on page 3–6.

Configuring Camera Features

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