Supplement Title: 34XR-A Users Supplement Issue: 2 Part Number: 2728939 Issue Date: 9/06 Print Date: July 2006 Page Count: 1 Revision/Date: This supplement contains information necessary to ensure the accuracy of the above manual. 2006 Amprobe Test Tools. All rights reserved. 34XR-A Users Supplement Change 1 On page 9, under General Specification, change Operating environment: From: 0 C to 50 C at <70% R.H. To: 0 C to 50 C at <70% R.H. for all functions except 10A ranges 10A ranges: 0 C to 40 C at <70% R.H. Change 2 On page 9, following Operating environment add: 10A Ranges: 0 C to 40 C at < 70 % R.H. On page 10, under AC CURRENT, following Crest Factor add the following: Specified From: 10 % to 100% of range On page 11, under FREQUENCY change: From: Range: 4K, 40K, 400K 4M, 40MHz To: Range: 4K, 40K, 400K, 1 MHz Under Sensitivity, change the following and delete, 4 MHz to 40 MHz: >2 V ac rms, <5 V ac rms From: 10 Hz 4 MHz: >1.5 V acrms To: 10 Hz to 1 MHz: >2.5 V ac rms From: Minimum pulse width: > 25 ns To: Minimum pulse width: > 1 s 9/06 1