7451A/7461A/7461P Digital Multimeter Operation Manual
C-1
TABLE OF CONTENTS
1. INTRODUCTION 
....................................................................................... 1-1
1.1  Contents of this Manual  .................................................................................... 1-1
1.2 Product Overview .............................................................................................. 1-2
2. PRECAUTIONS 
.......................................................................................... 2-1
2.1  If a Fault Occurs ................................................................................................ 2-1
2.2  Removing the Case  ........................................................................................... 2-1
2.3 Power Fuse ........................................................................................................ 2-1
2.4 Electromagnetic Interference ............................................................................ 2-1
2.5  Note When Turning on the Power  .................................................................... 2-2
3. SETUP 
............................................................................................................ 3-1
3.1  Inspection on Delivery  ...................................................................................... 3-1
3.2 Installation Environment ................................................................................... 3-3
3.2.1 Operating Environment .............................................................................. 3-3
3.2.2  Protecting Against Electrostatic Discharge  ................................................ 3-4
3.3 Accessories ........................................................................................................ 3-5
3.3.1 Input Cable ................................................................................................. 3-5
3.3.2  Caution when Connecting Peripherals  ....................................................... 3-7
3.4 Power Requirements ......................................................................................... 3-8
3.4.1  Checking the Power Supply Voltage .......................................................... 3-8
3.4.2  Changing the Power Supply Voltage  ......................................................... 3-9
3.4.3  Connecting the Power Cable  ...................................................................... 3-11
4. QUICK START 
............................................................................................ 4-1
4.1 Panel Description .............................................................................................. 4-1
4.1.1  Front Panel Description .............................................................................. 4-1
4.1.1.1 Display Section ........................................................................................... 4-2
4.1.1.2 Power Switch .............................................................................................. 4-2
4.1.1.3  Measurement Function Keys ...................................................................... 4-2
4.1.1.4 Measurement Range Selection Keys  .......................................................... 4-3
4.1.1.5  Sampling Selection Keys ............................................................................ 4-3
4.1.1.6 Calculation Selection Keys ......................................................................... 4-3
4.1.1.7 MENU/ENTER Key ................................................................................... 4-3
4.1.1.8 SHIFT/EXIT/LOCAL Key ......................................................................... 4-4
4.1.1.9  Front Input Section for Measurement ......................................................... 4-4
4.1.1.10  CAT II (Marking)  ....................................................................................... 4-4
4.1.2  Rear Panel Description  ............................................................................... 4-5
4.2 Basic Operation ................................................................................................. 4-6
4.2.1 Measurement Functions .............................................................................. 4-6
4.2.2  Setting the Measurement Range ................................................................. 4-19
4.2.3  Setting the Sampling Rate  .......................................................................... 4-19
5.  MENU OPERATION AND FUNCTION DESCRIPTION 
.............. 5-1
TABLE OF CONTENTS