Swann PRO-680 Operating Instructions Manual page 5

540 tv line cctv camera with vari-focal lens 4mm ~ 9mm
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The OSD (On Screen Display)
The controls consist of LEFT, RIGHT, UP, DOWN and SET buttons. UP and DOWN select an item from the
menu to modify, whilst LEFT and RIGHT change the value of that setting. The SET button will confirm
a choice or enter a sub-menu.
LENS: Alters the way the camera will receive light. This is an advanced setting - unless you know exactly
what you're doing, we suggest leaving this at it's default setting.
AGC (Automatic Gain Control): When AGC is on, the camera will automatically "amplify" the output
image to maintain an even exposure. However, in some situations, this can introduce "grain" to your
image, reducing video quality.
WHITE BALANCE: Alters the way the camera processes color information. Specifically, this allows you
to compensate for the color of the available light. AUTO works quite well - the camera will constantly
adjust how it displays colors when the light changes.
FUNCTION: Allows you to access some of the image processing options built into the camera.
CAMERA ID: Allows you to name the camera and overlay the name onto the screen.
MIRROR: Flips the image, like looking at it in a mirror.
DAY NIGHT: You can choose whether or not the camera will display black and white constantly (B&W), or
try to display a color image at night (COLOR). Note that these settings can reduce your video quality.
MOTION & PRIVACY: These only affect the performance of a compatible security monitor. If you use this
with an incompatible system, they will display black and white squares overlayed on your image.
GAMMA: This one's a tad complex. It alters the voltage to brightness ratio of the video image. You can
use this to fine-tune the camera's image for a system with a strange gamma reproduction curve. If you
don't know what that means, we suggest not changing the setting!
ADJUST: Opens a ProcAmp (processing amplifier). This will allow you to manually adjust the way the
camera processes the image it creates. You'll be able to set:
CONTRAST: The difference between the darkest and brightest thing the camera displays.
SHARPNESS: How clinical the camera will be when determining the look of the image. Low sharpness
settings can make the image look a bit soft or blurry, whereas high sharpness settings make lines look
jagged and uneven.
CB_GAIN (Color Blue Gain): How much BLUE there is in your image.
CR_GAIN (Color Red Gain): How much RED there is in your image.
Note: The GREEN color setting is constant and cannot be altered. If you want increase the amount of
green in your image, decrease the red and blue instead.
Using the OSD Controls
SHUTTER: Changes how long the camera will expose
each frame of video for. Again, unless you know why you
want to change it, it's best to leave this on AUTO. FIXED
will keep the shutter at the speed that it's currently set to,
whereas MANUAL will let you choose a specific interval.
BLC (Backlight Compensation): Changes the way
the camera handles dynamic lighting. If you find that
what you want to see appears as a silhouette against a
bright background, then turn BLC on. The camera will
compensate for the bright background, and adjust the
exposure so that things in the foreground are correctly
exposed.
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