EXFO FTB-1v2 Guide De L'utilisateur page 403

<HEXADECIMAL NUMERIC RESPONSE DATA>

This data type will be used by a device to return integer representations
in hexadecimal (base 16).
Examples: #HA3C5, #H0123C, #H010F
FTB-1v2 and FTB-1v2 Pro
# H
Applicable Data Types for Output —IEEE 488.2
A
B
C
D
E
F
<digit>
Data Types
391