SWR Meter
: Measures
SWR
(standing wave ratio) of antenna. Use to check
antenna system or to adjust your antenna to the proper length.
8
To Transmit
Multi-Function Meter
Perform a voltage Standing Wave Ratio (
SWR
) measurement
prior to using the transmitter. A
SWR
ratio in excess of 2:1 may
damage the transmitter.
Be sure to read and understand Part 95, FCC Rules and
Regulations before operating your transmitter.
1. Select a channel.
2. Adjust
MIC GAIN
.
3. When the channel is clear, press the
microphone
PTT
switch and speak.
To measure
SWR
:
1. Position meter switch
to
CAL
.
2. Press and hold
microphone
PTT
switch. (Transmit)
3. Calibrate meter with
SWR
knob by adjusting the
needle to the
▼
mark.
4. Move the meter switch to the
SWR
position while pressing the
microphone
PTT
switch.
5. Release the
PTT
switch.
A reading following two is acceptable. Higher readings indicate a problem in
the antenna system. Problems may be caused by humidity, vibration, or
corrosion. Check both ends of the coaxial cable connector. Also check for
damage to the cable or antenna.
UC343FH 10/23/03 2:32 PM Page 8
