Remote Antenna Switch
MFJ-4713
INSTRUCTION MANUAL
©
2020
MFJ Enterprises, Inc.
300 Industrial Park Rd. Starkville, MS 39759
P: (662) 323-5869F: (662) 323-6551
Page 1: ...Remote Antenna Switch MFJ 4713 INSTRUCTION MANUAL 2020 MFJ Enterprises Inc 300 Industrial Park Rd Starkville MS 39759 P 662 323 5869 F 662 323 6551 ...
Page 2: ...al handbooks or other official publications The copy of this manual provided to the customer will not be updated to reflect current data Customers using this manual should report errors or omissions recommendations for improvements or other comments to MFJ Enterprises 300 Industrial Park Road Starkville MS 39759 Phone 662 323 5869 Fax 662 323 6551 Business hours M F 8 00 AM 4 30 PM CST ...
Page 3: ...713 1 1 1 DESCRIPTION 1 1 2 FEATURES 2 1 3 CONTROLS CONNECTIONS 3 2 SYSTEM SETUP OPERATION 4 3 TECHNICAL ASSISTANCE 4 List of Figures 1 MFJ 4713 Components 1 2 SWR Plot 2 3 MFJ 4713 Controls 3 4 MFJ 4713 Station Setup 4 i ...
Page 4: ...as as possible and the Control Box Figure 1b which goes on your bench The Switch Box has a two inch plate for mounting the unit It can either be mounted at the base of a mast using the provided U bolt or it can be mounted to a wall using screws Wherever it is attached be sure to mount it with the SO 239 connectors facing the ground to prevent water buildup inside the unit The Control Box is design...
Page 5: ...0 MHz Figure 2 meaning that the MFJ 4713 will have minimal impact on the performance of your station Other than the convenience of controlling four antennas from a single point it will be as if it isn t even there The switch turns freely and easily illuminating the bright LEDs to show which antenna you currently are using Finally both units are built with a folded edge for ease of mounting Figure ...
Page 6: ...V AC Coaxial power input 3 Box Link Connect a piece of coax between these two ports 4 Selector This rotary switch controls power and selects the desired antenna port 5 Indicators Bright LEDs light up to indicate which antenna is selected 6 RF Ground RF safety ground 7 Antenna Ports Connect antennas here Figure 3 MFJ 4713 Controls 1 To Radio 2 12V AC input 3 Box Link 4 Antenna Selector 5 Antenna In...
Page 7: ...n easier than the setup as there is only a single control Connect an antenna to the desired port then turn the selector switch to match If the Switch Box is nearby you may hear the relays clicking This is normal behavior 3 TECHNICAL ASSISTANCE If you have any problem with this unit first check the appropriate section of this manual If the manual does not reference your problem or reading the manua...
Page 8: ...USER NOTES ...
