Technical data

XII Agilent U1251B/U1252B User’s and Service Guide
Contents
3 Features and Functions 45
Dynamic Recording 46
Data Hold (Trigger Hold) 48
Refresh Hold 49
Null (Relative) 51
Decibel Display 53
1 ms Peak Hold 55
Data Logging 57
Manual Logging 57
Interval Logging 59
Reviewing Logged Data 61
Square Wave Output (for U1252B) 63
Remote Communication 67
4 Changing The Default Setting 69
Selecting Setup Mode 70
Setting Data Logging Mode 74
Setting Thermocouple Types (for U1252B) 75
Setting Reference Impedance for dBm Measurement 76
Setting Minimum Frequency Measurement 77
Setting Temperature Unit 78
Setting Auto Power Saving Mode 80
Setting % Scale Readout 82
Setting Beep Frequency 83
Setting Backlit Timer 84
Setting Baud Rate 85
Setting Parity Check 86
Setting Data Bit 87
Setting Echo Mode 88
Setting Print Mode 89
Returning to Default Factory Settings 90
Setting the Battery Voltage 91
Setting the DC Filter 92
5 Maintenance 93
Introduction 94
General Maintenance 94
Replacing the Battery 95
Charging the Battery 97