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C1667M (6/06) 9
SETTING THE DIP SWITCHES
The factory default switch positions are shown in Figure 3. Switches 2-5 are set to auto and switch 1
is set to H mode. These settings ensure that the adaptive technology in the TW3004AR automatically
adjusts the low, medium, and high frequency components of the video signal, allowing for the best
possible video transmission.
Figure 3.
Default Switch Positions
You can override the adaptive technology by setting one of the switches (2, 3, 4, or 5) to a particular
distance (1K, 2K, 3K, or 4K). For example, if you want to transmit video up to 1,000 feet (305 meters)
of UTP cable, set switch 2 to 1K. You can set only one distance at a time.
The H (high) and L (low) modes are available only when switches 2-5 are set to automatic. High mode
is the default position and is used when the video output into a 75-ohm terminator is greater than or
equal to 1 Vp-p. Low mode should be used when the video output into a 75-ohm terminator is less
than 1 Vp-p.