Technical data
18 Programmer’s Guide
2 Programming Fundamentals
Variable Parameters
<ampl>,
<rel_ampl>
The <ampl> (amplitude) parameter and the <rel_ampl> (relative 
amplitude) parameter consist of a rational number followed by optional 
units. Acceptable units for <ampl> include: V, mV, V, dBm, dBmV, 
dBuV, Watts, W. <rel_ampl> units are given in dB.
<file_name> A file name parameter is the name of your file, is not used in the SCPI 
command string.
<freq> A frequency parameter is a positive rational number followed by 
optional units. The default unit is Hz. Acceptable units include: Hz, 
kHz, MHz, GHz.
<integer> There are no units associated with an integer parameter.
<number> A number parameter is a member of the set of positive or negative 
intriguers and including zero. Fractional numbers are included in the 
number parameter. There are no units associated with a number 
parameter.
<percent> A percent parameter is a rational number between 0 and 100, with no 
units.
<rel_power> A relative power parameter is a positive rational number followed by 
optional units. The default units are dB. Acceptable units are dB only.
<string> A string parameter includes a series of alpha numeric characters.
<time> A time parameter is a rational number followed by optional units. The 
default units are seconds. Acceptable units include: S, MS, US.










