SR 12V Amplifier wtih A/B Switch The 50023/98SR12 amplifier is provided with an A/B switch function which, if an alternative TV connection is available (for instance from dock), can cut off the TV signal reception of your antenna and receive reception directly from another source.
A/B Switch: - When the knob is turned to the "A" input antenna, the amplifier on on.
- When it is turned to "B" it means that the input is from the dock or from another source, and that the amplifier is off.
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