VC-300M Antenna Tuner
Owner's Manual
4
INSTALLATION PROCEDURES
1. Connect a coax cable from your transmitter or receiver to the transmitter to the
TRANSMITTER connector on the rear panel. Keep the cable as short as possible.
Do not use more than 200 watts through the tuner.
2. To avoid possible damage to the VC-300M, set the TRANSMITTER, ANTENNA,
and RANGE switches as outlined in the nest section before applying transmitter
power.
3. Begin tuning with your transmitter set at a low output setting (
10 to 20W)
.
WARNING: Do not operate the VC-300M with the cover off! Do not change the
inductor switch with more than 20 watts of applied power!
TUNING
1. Select the band and frequency of desired operation.
2. Set TRANSMITTER, ANTENNA, and INDUCTOR controls to the suggested
settings before applying transmitter power. Actual settings may vary from antenna to
antenna.
BAND/
TRANSMITTER
ANTENNA
INDUCTANCE
FREQUENCY
Sug. Actual Sug. Actual Sug. Actual
160 M / 1.8 MHz
2.8
3.8
J+
75 M / 3.75 MHz
3.0
3.8
D
40 M / 7.15 MHz
4.5
5.5
B+
30 M / 10.125 MHz
2.8
3.2
B+
20 M / 14.175 MHz
3.5
4.0
A+
17 M / 10.118 MHz
2.0
2.7
A+
15 M / 21.225 MHz
3.0
3.5
A+
12 M / 24.940 MHz
5.5
6.0
A+
10 M / 28.850 MHz
2.8
3.1
A
3. Set up your transmitter to a low power output. If your transmitter has a tune position,
select that position.
