Backdating Firmware - HP 53132A Assembly And Service Manual

Chapter 6 Backdating

Backdating Firmware

Backdating Firmware
CHANGE 1 (Firmware Revisions 3317, 3335, 3402, 3427)
Page 2-6 thru Page 2-15 ("About the HP 53131A/132A Calibration Menu,"
and "The HP 53131A/132A Calibration Procedures" sections).
About the HP 53131A Calibration Menu
The Utility menu is accessed by holding the Recall key and cycling
POWER
POWER key.
Utility
Recall
Utility Menu: The Utility menu's calibration items, illustrated on the following page,
Hold at power up
provide you with the functions to:
•
6-8
(Note: firmware revision 3413 added the new security menu item and
the new Calibration Menu to the HP 53131A Counter.)
(Note: firmware revision 3427 was set up to work with the new FPGA
[Xilinx 3042A]; and shortens TI delay from 1 ms to 100ms. This
revision is backward compatible.
Replace with the following calibration information and procedures:
initiate the Counter's calibration routines, which can perform
automatic calibration of the voltage offset and gain of the front-end
input amplifiers, and optional timebase
(CAL: OFFS 1 / 2 ?, GAIN 1 / 2 ?, TIMEBAS ?, and TI 1Å2?).
Assembly-Level Service Guide