Keysight N432A Programming Manual page 55

<string> definition
Throughout this document, <string> is used to represent 7-bit ASCII characters.
The format is defined as:
Program data
Response data
Figure 1-7
Keysight N432A Programming Guide
'
"
"
"
<string> format
'
' <inserted >
<nonsingle
quote char>
"
"
<inserted >
<nondouble
quote char>
"
<inserted >
<nondouble
quote char>
N432A Remote Operation
'
"
"
1
55