MFJ MFJ-1024 Manuale utente

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MFJ-1024 REMOTE ACTIVE ANTENNA

The MFJ-1024 Remote Active Antenna is designed to provide reception of

radio signals from 50 KHz to 30 MHz using a remote mounted antenna and

amplifier module.

INSTALLATION

1. Attach the remote unit to your pole or other mounting location and

run the cable to your receiver location.

2. Connect the cable from the remote unit to the REMOTE ANTENNA jack

on the back of the base unit. The jack is a PL-259 type.

3. Connect a 12-15 VDC power supply or an MFJ 12V AC adapter

to the PWR jack on the back of the base unit. The power jack

accepts a 2.5mm subminiature plug, with the tip positive.

4. Connect your receiver or receivers to the jacks labeled

RECEIVER A and RECEIVER B on the back of the base unit. The

jacks accept RCA type plugs.

5. If desired, an auxilliary antenna may be connected to the AUX

ANT jack on the base unit.

OPERATION

After proper installation of the Remote Active Antenna, turn on your

receiver and depress the PWR ON switch on the antenna base unit. The

front panel LED should light, indicating circuit operation. Select

receiver A or B by pressing the REC A/B switch. Set the attenuation

switch to -Odb. Set the GAIN control to the 9 o'clock position.

Tune your receiver to the frequency you wish to listen to.

Increase GAIN to desired level. Best circuit operation may be

achieved at less than maximum GAIN setting. On very strong signals

that may overload your receiver, it may be necessary to set the

attenuation switch to the -20db position to reduce the signal

strength.

NOTE: On some portable receivers, especially those with plastic

cabinets, oscillation may occur at some frequencies if GAIN is set

too high. If this happens, reduce the level of the GAIN control until

oscillations disappear.

When the power switch is in the AUX position the power to the remote

antenna and amplifier module is cut off and your receiver is connected

to the auxilliary antenna jack on the base unit. Any antenna of your

choise may be connected to the jack. When the unit is in the

auxilliary mode, the GAIN control is not operational, but the

attenuation and receiver select controls will work with your auxilliary

antenna.