Do you have a question about the Archer 15-1821c and is the answer not in the manual?
Enhances signal strength for maximum sound quality.
Adjusts gain to control overloading and improve weak reception.
Allows placement almost anywhere for convenience.
LED light indicates when the antenna is powered on.
Connects to 75-ohm or 300-ohm terminals with a transformer.
Indicates when the power switch is turned on.
Selects signal strength mode (HI or LO).
Selects the desired station frequency.
Turns the FM amplified antenna on or off.
Connects the antenna output to the receiver/tuner's antenna terminal.
Position the antenna conveniently near the receiver/tuner.
Connects the AC adapter to the unit and the wall outlet.
Steps for turning on, tuning, and adjusting gain for optimal reception.
Keep dry, avoid hot areas, and handle with care to prevent damage.
Use a soft cloth dampened in mild soap-and-water solution.
The range of FM frequencies the antenna supports.
Specifies the gain level at the HI position.
The required DC voltage for operation.
The physical weight of the antenna unit.