Vitek VTC-C770WS, Manual

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4.3 Power Supply Connections
The VTC-C770WS camera works with 24VAC or 12VDC, dual voltage power. It does NOT
require matching polar connection for 12VDC supply. Primary and secondary grounds are
completely isolated to avoid possible ground-loop problems. Its wide operating voltage range
of 10.5V-30V for DC and 12-28.8V for AC gives extra flexibility during installation.
5. Start up
When the camera is powered properly, it initializes the internal parameters and the filter
switch mechanism. The filter switch unit repeats IN and OUT at each power up and just
after RESTORE FACTORY SETTINGS.
6. SETUP Menu
6.1 In the menu
Use up and down buttons to move through the menu page, and side to side buttons to change
the settings. Press the Circular button to select or enter.
Button stands for MENU or ENTER.
6.2 Entering menu
Press button for 2+ seconds on the back of the camera.
6.3 MAIN
Follow the chart for submenu settings.