Product Declassification and Security Product Name: Truevolt Series of Digital Multimeters
Model Numbers: 34460A, 34461A, 34465A, 34470A
Page 13 of 17
User and Remote Interface Security Measures
How to determine if the instrument’s Security option is installed
From the front panel, press:
[Help] > About
From the remote interface, send:
*OPT?
A string containing “SEC” will be returned if the instrument Security option is
installed.
Administrative Password
To defeat or override an instrument’s administrative password (calibration secure
override/Security option override) follow the procedure in the Truevolt Series
Operating and Service Guide. This involves removing power and other
connections to the instrument, removing the instrument cover (requires tools),
shorting a jumper, and cycling power. The calibration count and secure count will
increment when the password is defeated using this method.
When setting a new password, the password must begin with a letter and contain
1 to 12 letters (A-Z), digits (0-9), or underscores (_).
The password never expires.
This instrument does not track or report invalid password attempts, nor does it
lock-out password entry following a number of invalid password entries.
Managing Remote Interface Access
The user is responsible for providing security for the I/O ports for remote access
by controlling physical access to the I/O ports. The I/O ports must be controlled
because they provide access to all user settings, user states and the display
image. The I/O ports include USB, GPIB, and LAN.
With the instrument Security option, modifying these settings requires the
instrument password. The secure count will increment when a remote interface is
disabled or enabled. See the Truevolt Series Operating and Service Guide for
more information.
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