05-4819A01, Rev. 08
LCT 450 Installation/Operation Guide
15
SCD [0-255]
Soft-Carrier Dekey
This command displays or changes the soft-carrier dekey delay in mil-
liseconds.
This timer specifies how long to wait after the removal of the keying
signal before actually releasing the transmitter. A value of
0
millisec-
onds will unkey the transmitter immediately after the removal of the
keying signal.
SER
Radio's Serial Number
This command displays the radio's serial number as recorded at the
factory.
SHOW [DC, PORT, PWR]
Show Power Settings
The
SHOW
command displays different types of information based on
the command variables. The different parameters are:
•
DC
-Display DC input/output voltages
•
PWR
-Display RF power output
SPECTRUM [xxx.xx]
Internal Spectrum Analyzer
Activates the built-in spectrum analyzer tool (see
Figure 8
) that can be
displayed on a connected PC. This tool is helpful in diagnosing inter-
ference problems on or near your channel frequency.
Access the spectrum analyzer by entering spectrum at the command
prompt. A display appears showing detected signals on your current
channel.
Optionally, you can specify a frequency at the command prompt to
view the surrounding spectrum of that frequency. To do this, enter
spectrum xxx.xx
, where
xxx.xx
is the frequency in MHz.
