Pelco Manual C1471M (10/98) 17
The following settings are not reset when the camera is reset: park time, auto flip
disable, and limit stops.
Turning off power to the dome does not reset the camera. Camera settings are
retained in memory, and when power is restored, the settings are the same as
when the camera was turned off.
To reset the camera:
1. On the main menu, move the joystick up or down to position the cursor (>)
beside Camera.
2. Press the Iris Open button to enter the Camera submenu.
3. Move the joystick up or down to position the cursor beside Reset Camera.
4. Press the Iris Open button to reset the camera.
4.7.4 Gain/AGC
4.7.4.1 AGC Mode
The three AGC (Automatic Gain Control) modes are auto, on, and off.
•In auto mode, the dome automatically adjusts the gain–the amount of amplifi-
cation the camera places on its video information to obtain a full 1-volt peak-to-
peak video signal out. If the iris is manually opened to its wide-open position
and the picture is weak, the AGC can be turned off and the gain increased
manually to improve the picture. When you close the iris, the AGC turns back
on automatically when the lens iris starts closing.
•In on mode, the AGC is on all the time.
•In off mode, the AGC is off.
To change the AGC mode:
1. On the main menu, move the joystick up or down to position the cursor (>)
beside Camera.
2. Press the Iris Open button to enter the Camera submenu.
3. Move the joystick up or down to position the cursor beside Gain/AGC.
4. Press the Iris Open button to enter the Gain/AGC submenu.
5. Move the joystick up or down to position the cursor beside AGC mode.
6. Press the Iris Open button. The cursor moves to the right beside the word
Auto, On, or Off.
7. Move the joystick up or down to position the cursor beside Auto, On, or Off.
8. SELECT – Press the Iris Open button to select your choice.
CANCEL – Press the Iris Close button if you do not want to change the setting.
4.7.4.2 Gain
Gain adjusts the signal level of the video output. Increasing the gain in low light
conditions increases the noise level in the picture. To change the gain:
1. On the main menu, move the joystick up or down to position the cursor (>)
beside Camera.
2. Press the Iris Open button to enter the Camera submenu.
3. Move the joystick up or down to position the cursor beside Gain/AGC.
4. Press the Iris Open button to enter the Gain/AGC submenu.
5. Move the joystick up or down to position the cursor beside Gain.
6. Press the Iris Open button. The cursor moves to the right beside the current
gain setting (a numeric value).
7. Move the joystick up or down to change the gain (making the picture on your
monitor get brighter or darker).
8. SELECT – Press the Iris Open button to select your choice.
CANCEL – Press the Iris Close button if you do not want to change the setting.