HP 8924C Reference Manual page 251

ESN
This field is used to enter the electronic serial number (ESN) of the mobile station
into the Test Set. There are two methods which can be used to enter the
serial number can be captured by the Test Set through a registration order, or the
serial number can be entered as an 8-digit hexadecimal value directly into this
field.
To capture the electronic serial number through a registration , see
field description, on page 356
To enter the serial number directly use the :ESNumber command.
The query form of the command (that is, :ESNumber?) can be used to determine
the current setting of the ESN field.
Syntax
:ESNumber <'><8 character hex value><'>
:ESNumber?
Example
OUTPUT 714;"CALLP:AMPS:AUTH:ESN '12D4E678'"
OUTPUT 714:"CALLP:AMPS:AUTH:ESN?"
ENTER 714;Esn_val$
Screens Where Field is Present
AUTHENTICATION
S:\hp8924c\REFGUIDE\MANUAL\fields.chp
Fields That Begin with the Letter E
for further information.
Chapter 4, Description of Fields
. The
ESN
Register
251