MFJ-1020C Active Antenna
Owner's Manual
2
FRONT PANEL CONTROLS
B A N D
TU N E
P W R
O N
B Y P A S S
G A IN
O FF
1
2
3
4
5
1
2
3
4
5
7
6
8
9
A
B
C
D
E
O FF
MFJ-1020C Active Antenna
.3
2
16
2.5
7
25
3
5
.7
5
.5
6
20
.8
.4
1
3
8
4
10
12
1
.6
1
.7
4
.5
14
A B C D E
.3
5
.6
5
.5
1
6
1
2
.5
.6
.7
1.2
1.4
1
1
4
0
18
1. GAIN CONTROL:.....................Adjust the gain of the MFJ-1020C from -10
dB to +10 dB.
2. BYPASS SWITCH: ...................Connects the Input SO-239 directly to the
Output SO-239.
3. TUNE CONTROL:....................Optimizes Peak Tuning for each of the 5
bands.
4. BAND SWITCH:.......................Power rotary switch that selects the 5 bands
from 300 KHz to 30 MHz.
5. POWER LED.............................Illuminates when power is on.
REAR PANEL CONNECTIONS
IN P U T
P O W E R
9-12 V D C
O U TP U T
+
6
7
8
9
MFJ ENTERPRISES, INC.
STARKVILLE, MS USA
6. POWER: .........................3.5mm barrel connector for power to MFJ-1020C
9-12 VDC with center positive. Inserting the plug
into the rear jack automatically disconnects the
internal battery. MFJ offers an optional 12 VDC
adapter (AC-12).
