Chapter 2 Service
The HP 53181A Calibration Procedures
2-32
Assembly-Level Service Guide
2
c.
Press
key once, and then press
key three times.
The Counter should display
CODE: 53000
.
d. Press
key once, and then press
key once.
The Counter should display
CODE: 53100
.
e.
Press
key once, and then press
key eight times.
The Counter should display
CODE: 53180
.
f.
Press
key once, and then press
key once.
The Counter should display
CODE: 53181
.
g. Finally, press Enter key.
CAL UNSECURE
is displayed.
NOTE
If “53181” is NOT the correct security code, the Counter will display
BAD CODE
.
4
Press Scale & Offset key until
CAL: OFFS 1 ?
is displayed.
5
Press Enter key.
A scrolling message on the display will ask you to remove any signals
connected to Channel 1. Follow the instruction.
6
Press Enter key.
The Counter momentarily displays
CALIBRATING
, and then it should
display
OFFS 1 PASS
.
If the fail message is displayed, refer to the troubleshooting section in this
chapter.
This completes the Offset Calibration procedure. Proceed to the next
procedure to calibrate the gain.
Summary of Contents for 53131A
Page 1: ...Assembly Level Service Guide HP 53131A 132A 181A 225 MHz Counter ...
Page 2: ......
Page 14: ...Contents xii Assembly Level Service Guide ...
Page 22: ...Preface xx Assembly Level Service Guide ...
Page 23: ...1 Performance Tests Verifying Specifications ...
Page 97: ...2 Service ...
Page 149: ...3 Replacing Assemblies Disassembly and Reassembly ...
Page 173: ...4 Retrofitting Options ...
Page 191: ...5 Replaceable Parts ...
Page 201: ...6 Backdating Manual Changes ...
Page 218: ...Chapter 6 Backdating Backdating Specifications 6 18 Assembly Level Service Guide 6 ...
Page 219: ...7 HP 53131A 132A Specifications ...
Page 235: ...8 HP 53181A Specifications ...
Page 246: ...Chapter 8 HP 53181A Specifications General Information 8 12 Assembly Level Service Guide 8 ...
Page 252: ......
Page 254: ... Manual Part Number 53131 90039 Printed in U S A MARCH 1999 ...