Installation Installation - HP 83491A User Manual

1 Press the Utility key and then the System config softkey.
2 The firmware revision number is listed under the Frame section of the display.
C A U T I O N
C A U T I O N
Installation
Installation
Installation
HP 83491/2/3A modules require that firmware revision A.06.25 or later be
installed in the HP 83480A. If you wish to install the module in an HP 54750A
digitizing oscilloscope, you must first install the HP 83480K communications
firmware upgrade kit.
To check the HP 83480A's firmware revision code
Fiber-optic connectors are easily damaged when connected to dirty or
damaged cables and accessories. The HP 83492A and HP 83493A front-panel
input connectors are no exception. When you use improper cleaning and
handling techniques, you risk expensive instrument repairs, damaged cables,
and compromised measurements. Before you connect any fiber-optic cable to
an HP 83492A or HP 83493A module,
Accurate Measurements" on page
The circuits on electrical inputs and outputs can be damaged by electrostatic
discharge (ESD). Therefore, avoid applying static discharges to any front or
rear-panel electrical connector. Before connecting any coaxial cable to a front-
panel connector, momentarily short the center and outer conductors of the
cable together. Avoid touching the front-panel connectors without first
touching the frame of the instrument. Be sure that the instrument is properly
earth-grounded to prevent buildup of static charge.
Discharge Information" on page
1-2
refer to "Cleaning Connections for
4-10.
Refer to "Electrostatic
4-8.