8
SWR Meter
: Measures
SWR
(standing wave ratio) of antenna. Use it to check
the antenna system or to adjust your antenna to the proper length.
To measure
SWR
:
1. Position meter switch
to
CAL
.
2. Press microphone
PTT
switch. (Transmit)
3. Calibrate meter with the
SWR CAL
control by adjusting
the needle to the
t
mark.
4. Move the meter switch to the
SWR
position while pressing the
microphone
PTT
switch.
A reading below 2 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.
RF Meter
: Measures RF Output Power for transmitter. To use, position the
meter switch at
S/RF
. Press microphone
PTT
switch to read transmitting
power.
S-Meter
: Measures incoming signal strength. To use, position the meter
switch at
S/RF
. The meter swings to indicate signal strength.
i.e.
S 3, S 5, S 7 . . .
M
Mu
ullttii--F
Fu
un
nccttiio
on
n M
Meetteerr
pc78xl.qxd 2/25/99 10:09 AM Page 8
