EXFO FTB-1v2 Guide De L'utilisateur page 405

<BINARY NUMERIC RESPONSE DATA>

This data type will be used by a device to return integer representations
in binary (base 2).
Examples: #B11011110101, #B110100, #B0100
<STRING RESPONSE DATA>

This data type will be used by a device to return strings containing 7-bit
ASCII characters and especially when text has to be displayed since
even the non-printable characters are also returned.
Examples: "SCPI Commands", "SCPI ""Commands"""
FTB-1v2 and FTB-1v2 Pro
# B
"
"
Applicable Data Types for Output —IEEE 488.2
0
1
"
<inserted >
<non-single
quote char>
Data Types
"
393