Related Manuals for Agilent Technologies 11713A
Summary of Contents for Agilent Technologies 11713A
- Page 1 Agilent Technologies 11713A Attenuator/Switch Driver Operating and Service Manual Part Number: 11713-90023 Printed in USA Print Date: July 2001 Supersedes: August 1999...
- Page 2 The information contained in this document is subject to change without notice. Agilent Technologies makes no warranty of any kind with regard to this material, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. Agilent...
- Page 3 Instruments are warranted for a period of one year. During the warranty period, Agilent Technologies will, at its option, either repair or replace products that prove to be defective.
- Page 4 Assistance Product maintenance agreements and other customer assistance agreements are available for Agilent Technologies products. For assistance, call your local Agilent Technologies Sales and Service Office (refer to "Service and Support" on page v). iv 11713A Operating and Service Manual...
- Page 5 Contact your customer engineer through your local Agilent Techhnologies Service Center. If you do not have access to the Internet, one of these Agilent Technologies centers can direct you to your nearest representative: Online assistance: www.agilent.com/find/assist...
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Page 6: Safety And Regulatory Information
This text indicates that the instrument is an Industrial Scientific and Medical Group 1 Class A product (CISPER 11, Clause 4). This symbol indicates that the power line switch is ON. This symbol indicates that the power line switch is in STANDBY position. vi 11713A Operating and Service Manual... - Page 7 German Regulation on Noise Declaration for Machines (Laermangabe nach der Maschinenlaermrerordnung-3.GSGV Deutschland). Acoustic Noise Emmision/Gerauschemission LpA <70 dB LpA <70 dB Operator position am Arbeitsplatz Normal position normaler Betrieb per ISO 7779 nach DIN 45635 t.19 11713A Operating and Service Manual vii...
- Page 8 4 C for every 100 watts dissipated in the cabinet. If the total power dissipated in the cabinet is greater than 800 wafts forced convection must be used. viii 11713A Operating and Service Manual...
- Page 9 • 11713A Operating and Service Manual ix...
- Page 10 Edit Parameters • Used for menus, lists, dialog boxes, and button boxes on a computer monitor from which you make selections using the mouse or keyboard: Double-click to quit the program. EXIT x 11713A Operating and Service Manual...
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Page 11: Table Of Contents
Figure 2-4 Connections for Coaxial Switches ........2-9 Figure 2-5 Connections for Agilent 8761B SPDT Switches ......2-10 Connecting to Four-Section . - Page 12 Contents 6. Remote Operation GPIB Compatibility ............6-2 Remote Mode .
- Page 13 11713A Simplified Block Diagram ........
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Page 14: Agilent Technologies 11713A Attenuator/Switch Driver
Agilent Technologies 11713A Attenuator/Switch Driver Overview In this chapter you will find: • Function, features, and capabilities of the 11713A attenuator/switch driver • Compatible Agilent Technologies switches and attenuators... - Page 15 Agilent Technologies 11713A Attenuator/Switch Driver Overview Overview The 11713A attenuator/switch driver is an GPIB compatible instrument designed to provide control of up to two four-section programmable step attenuators and two microwave coaxial switches. Features • Instrument control is accomplished manually from front panel pushbuttons or automatically over the GPIB interface bus.
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Page 16: Compatible Attenuators And Switches
Agilent Technologies 11713A Attenuator/Switch Driver Overview Compatible Attenuators and Switches The 11713A attenuator/switch driver is designed to drive the following Agilent Technologies attenuators and switches. If you are using attenuators and switches made by another company, check their switching characteristics against those specified in Chapter 3, "Specifications". - Page 17 Agilent Technologies 11713A Attenuator/Switch Driver Overview Connecting Accessories Table 1-3 lists accessories that are available for the 11713A attenuator/switch driver. Supplied accessories include two dual Viking connector cables, 12-pin conductor, 60 inches long, and a line power cable. Refer to "Replaceable Parts".
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Page 18: Installing The Agilent Technologies 11713A Attenuator/Switch Driver
In this chapter you will learn about: • How to unpack and check your instrument • How to contact Agilent Technologies for service • Operating requirements for the attenuator/switch driver • How to set the GPIB address of your instrument... -
Page 19: Initial Inspection
2. If the contents are damaged or defective, contact your nearest Agilent Technologies Service and Support Office. Refer to the Service and Support information in the front matter of this manual. Agilent Technologies will arrange for repair or replacement of the damaged or defective equipment. -
Page 20: Verifying Requirements
Installing the Agilent Technologies 11713A Attenuator/Switch Driver Verifying Requirements 7. Verify that you meet the following requirements. Power source 100 to 120 volts (+5%, –10%) from 48 to 440 Hz 220 to 240 volts (+5%, –10%) from 48 to 66 Hz, single phase. -
Page 21: Figure 2-1 Line Voltage Selection
Installing the Agilent Technologies 11713A Attenuator/Switch Driver Figure 2-1 Line Voltage Selection To avoid the possibility of hazardous electrical shock, do not WARNING operate this Instrument at line voltages greater than 126.5 Vac with line frequencies greater than 66 Hz (leakage currents at these line settings may exceed 3.5 mA). -
Page 22: Gpib Addressing
8. Use the five-bit address switches located on the rear panel of the instrument to change the GPIB address. The 11713A has a factory preset address of decimal 28. The switch labeled with a one is the least significant bit. -
Page 23: Mating Connectors
A general purpose interface bus system may contain no more than 2 meter (6.6 ft.) of connecting cable per instrument. 1. The Agilent 10834A adapter is required with these cables to provide additional clearance for the cable connections. 2-6 11713A Operating and Service Manual... -
Page 24: Connecting To Attenuators And Switches
Do not drive the 87222C/D/E using the S9 or S0 outputs from either the CAUTION banana plug outputs, or from pins 3 or 4 within the Atten X and Atten Y Viking sockets, both located on the rear panel of the 11713A. 11713A Operating and Service Manual 2-7... -
Page 25: Table 2-2 Attenuator Cable Connector Pin Numbers And Wire Color Codes
Installing the Agilent Technologies 11713A Attenuator/Switch Driver Table 2-2 Attenuator Cable Connector Pin Numbers and Wire Color Codes Rear Panel connectors ATTEN X or Y, and Front Panel Pushbuttons Attenuator Cable ATTENUATOR X, Y, and SWITCHES Pushbutton Pushbutton LEDs Pin Numbers... -
Page 26: Driving Additional Coaxial Switches
ATTEN X output or ATTEN Y output. Figure 2-4 shows the rear panel connections to S0 outputs and the GPIB command necessary to change the position of Agilent 8762 or 8765 series coaxial switches. (For GPIB command usage, refer to "Data Message Input Format") -
Page 27: Figure 2-5 Connections For Agilent 8761B Spdt Switches
Installing the Agilent Technologies 11713A Attenuator/Switch Driver Figure 2-5 shows the rear panel connections and the GPIB command necessary to change the position of Agilent 8761B SPDT RF switches. (For GPIB command usage, refer to "Data Message Input Format" on page 6-3.) -
Page 28: Connecting To Four-Section
ATTEN X or ATTEN Y Using these same connections to Agilent 8762 or 8765 series coaxial switches, control can be extended to four, eight, or ten switches if S0 and S9 outputs are also used. -
Page 29: Connecting To Relays
Installing the Agilent Technologies 11713A Attenuator/Switch Driver Connecting to Relays To drive ten devices, connect attenuator cables at ATTEN X and Y and switch cables to S9 and S0. A total of 10 relays may be on at one time if the total current is less than 650 mA. -
Page 30: Specifications
Specifications Overview In this chapter you will find: • Specifications which describe warranted performance standards • Supplemental characteristics which are non-warranted parameters... -
Page 31: Supplemental Characteristics
< 0,01 F for contact pairs 9 and 0 Net Weight 4.1 kg (9 lbs) Dimensions Height: 102 mm (4 inches including feet) Rack height: 89 mm (3.5 inches, half-width module) Width: 213 mm (8.4 inches) Depth: 295 mm (11.6 inches) 3-2 11713A Operating and Service Manual... -
Page 32: Verification
Verification Overview In this chapter you will find: • Recommended test equipment • How to verify local operation • How to verify GPIB interface remote operation... -
Page 33: Recommended Test Equipment
0 to + 30 Vdc Attenuators (2 required) Programmable, 4 sections P, T Switches (2 required) + 24 Vdc drive source P, T Controller GPIB GPIB compatible P, T a. P = Performance; T = Troubleshooting 4-2 11713A Operating and Service Manual... -
Page 34: Operator's Check For Local Operation
Connect the power cable to the power receptacle. Procedure 1. Connect the equipment that is to be used in your application as shown below. Figure 4-1 Local Operation Test Setup 11713A Operating and Service Manual 4-3... - Page 35 In addition, if any equipment is connected (attenuators, relays, or switches), an audible click should be heard from the unit actuated. Pressing any numbered pushbutton should not cause any other pushbutton to change state. 4-4 11713A Operating and Service Manual...
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Page 36: Gpib Interface Check For Remote Operation
Initial Setup Connect the driver to the controller with the GPIB cable as shown in the test setup below. The cable must remain connected for all tests. Figure 4-2 GPIB Interface Check Test Setup 11713A Operating and Service Manual 4-5... -
Page 37: Remote Message
After the first data message is sent, check that the front-panel LEDs are OFF. After the second data message is sent, check that the LEDs are ON. If not, the driver failed to process the data message. 4-6 11713A Operating and Service Manual... - Page 38 Check that the LOCAL light is ON and REMOTE light is OFF. Press numbered pushbutton switches and check that switches change status (LEDs on and off). If not, the driver failed to process the Clear Lockout/Set Local message. 11713A Operating and Service Manual 4-7...
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Page 39: Local Operation
Local Operation Overview In this chapter you will find: • Function and description of front panel controls, connectors, and indicators • Function and description of rear panel controls, connectors, and indicators... -
Page 40: Local Control
Local Operation Local Control Local Control Local control of the Agilent 11713A switch driver is accomplished manually from front panel pushbuttons. Figure 5-1 and Figure 5-2 detail front and rear panel controls, connectors, and indicators. 5-2 11713A Operating and Service Manual... -
Page 41: Figure 5-L Front Panel Features
In the local mode, Pushbutton switches 9 LINE OFF/ON and 0 change the position of a coaxial switch connected to rear panel banana The line off/on button controls jacks S9 A, B and S0 A, B respective y. primary power 11713A Operating and Service Manual 5-3... -
Page 42: Figure 5-2 Rear Panel Features
[7] Fuse Pull Handle [14] GPIB Connector The interface connector from a Mechanical interlock; fuse must be removed source device to a listening device for before extraction of Line Voltage Selection Card the remote mode of operation 5-4 11713A Operating and Service Manual... -
Page 43: Remote Operation
In this chapter you will learn about: • Remote programming capability of the attenuator/switch driver • Function and use of GPIB commands in remote mode • Programming information to set up desired level of attenuation 11713A Operating and Service Manual 6-1... -
Page 44: Gpib Compatibility
Local message (REN). If the driver is not in Local Lockout, it switches to local from remote when the front panel LOCAL key is pressed. With the remote-to-local transition, the driver's outputs remain unchanged. 6-2 11713A Operating and Service Manual... -
Page 45: Addressing
The driver responds to an alphanumeric data string such as "A12B34" when the driver is in the remote state and addressed to listen. (The alpha characters in the data string can be either upper or lower case). 11713A Operating and Service Manual 6-3... -
Page 46: Sending The Data Message
The response time for the driver is defined as the time between data valid (DAV) changing from a high to a low and the output signal at the rear panel connector changing state. The switching speed of the Agilent Technologies programmable attenuators is 20 ms including 10 ms for the driver (ATTEN outputs). -
Page 47: Receiving The Local Lockout Message
The driver does not respond to a serial poll and as a result does not send the Status Bit message. Sending the Status Bit Message Table 6-1 summarizes the driver’s GPIB capabilities in terms of the twelve bus messages. 11713A Operating and Service Manual 6-5... -
Page 48: Table 6-1 Gpib Message Reference Table
The driver does not have complete RU capability since it can not process the Go-To-Local (GTL) message. Complete GPIB capability as defined in IEEE Std 488 and ANSI Std MC1.1 is: SH0, AH1, T0, TE0, L2, LE0, DC0, DT0, RL1, C0, SR0, PP0. 6-6 11713A Operating and Service Manual... -
Page 49: Table 6-2 Gpib Control Statement Results
Table 6-2 GPIB Control Statement Results Front Connector Connector Command Result Panel Digits Numbers ATTEN X ATTEN Y +24 VB +24 V +24 V +24 V H= Open (High) L =Closed (Low) =Connected to ground 11713A Operating and Service Manual 6-7... -
Page 50: Table 6-3 Attenuation Levels And Corresponding Data Strings
Attenuation (in dB) GPIB Program Codes X or Y ATTEN X ATTEN Y X or Y ATTEN X ATTEN Y B1234 B5678 A24B13 A68B57 A1B234 A5B76 A124B3 A568B7 A4B123 A8B568 A234B1 A678B5 A14B23 A58B67 A1234 A5786 6-8 11713A Operating and Service Manual... -
Page 51: Replacing Major Assemblies
Overview In this chapter you will find: • Replaceable parts and connecting accessories • Procedures for the removal and replacement of major assemblies in the 11713A attenuator/switch driver Module cover Front panel Rear panel A1 interconnect and power supply assembly... -
Page 52: Replaceable Parts
Replacing Major Assemblies Replaceable Parts Replaceable Parts Table 7-1 lists the accessories that are supplied with the 11713A attenuator/switch driver. Other available accessories are listed in Table 1-3. For ordering information, refer to "Service and Support" on page v in the front matter of this manual. -
Page 53: Table 7-3 Major Assemblies
Replacing Major Assemblies Replaceable Parts Major assemblies and cables of the 11713A attenuator/switch driver are listed below. For ordering information, refer to "Service and Support" on page v in the front matter of this manual Table 7-3 Major Assemblies Assembly Reference Designator... -
Page 54: Table 7-5 Cabinet Parts
Replacing Major Assemblies Replaceable Parts Table 7-5 Cabinet Parts Reference Agilent Part Description Designation Number 11713-00024 Front panel 5021-8413 Front panel 11713-00005 Sub panel 5021-8413 Rear frame 11713-00012 Rear panel 5021-5829 Side strut 5021-9253 Top cover, perforated 5062-3871 Bottom cover,... -
Page 55: Module Cover Removal/Replacement
Replacing Major Assemblies Module Cover Removal/Replacement Module Cover Removal/Replacement This module contains components that can be damaged or destroyed by CAUTION electrostatic discharge. It should be serviced at a static-safe workstation. Refer to "Preparing a Static-Safe Work Station" in Chapter 8. Top and bottom covers are removed and replaced similarly. -
Page 56: Front Panel Removal/Replacement
Replacing Major Assemblies Front Panel Removal/Replacement Front Panel Removal/Replacement This module contains components that can be damaged or destroyed by CAUTION electrostatic discharge. It should be serviced at a static-safe workstation. Refer to "Preparing a Static-Safe Work Station" in Chapter 8. To Remove the Front Panel 1. -
Page 57: Rear Panel Removal/Replacement
Replacing Major Assemblies Rear Panel Removal/Replacement Rear Panel Removal/Replacement This module contains components that can be damaged or destroyed by CAUTION electrostatic discharge. It should be serviced at a static-safe workstation. Refer to "Preparing a Static-Safe Work Station" in Chapter 8. To Remove the Rear Panel 1. -
Page 58: A1 Interconnect And Power Supply Assembly Removal/Replacement
Replacing Major Assemblies A1 Interconnect and Power Supply Assembly Removal/Replacement A1 Interconnect and Power Supply Assembly Removal/Replacement This module contains components that can be damaged or destroyed by CAUTION electrostatic discharge. It should be serviced at a static-safe workstation. Refer to "Preparing a Static-Safe Work Station" in Chapter 8. -
Page 59: A2 Driver Assembly Removal/Replacement
Replacing Major Assemblies A2 Driver Assembly Removal/Replacement A2 Driver Assembly Removal/Replacement This module contains components that can be damaged or destroyed by CAUTION electrostatic discharge. It should be serviced at a static-safe workstation. Refer to "Preparing a Static-Safe Work Station" in Chapter 8 To Remove the A2 Driver Assembly 1. -
Page 60: A3 Latch Assembly Removal/Replacement
Replacing Major Assemblies A3 Latch Assembly Removal/Replacement A3 Latch Assembly Removal/Replacement This module contains components that can be damaged or destroyed by CAUTION electrostatic discharge. It should be serviced at a static-safe workstation. Refer to "Preparing a Static-Safe Work Station" in Chapter 8. -
Page 61: A4 Remote Local Logic Assembly Removal/Replacement
Replacing Major Assemblies A4 Remote Local Logic Assembly Removal/Replacement A4 Remote Local Logic Assembly Removal/Replacement This module contains components that can be damaged or destroyed by CAUTION electrostatic discharge. It should be serviced at a static-safe workstation. Refer to "Preparing a Static-Safe Work Station" in Chapter 8. -
Page 62: A5 Gpib Handshake Data Input Assembly Removal/Replacement
Replacing Major Assemblies A5 GPIB Handshake Data Input Assembly Removal/Replacement A5 GPIB Handshake Data Input Assembly Removal/Replacement This module contains components that can be damaged or destroyed by CAUTION electrostatic discharge. It should be serviced at a static-safe workstation. Refer to "Preparing a Static-Safe Work Station" in Chapter 8. -
Page 63: A6 Interface Assembly Removal/Replacement
Replacing Major Assemblies A6 Interface Assembly Removal/Replacement A6 Interface Assembly Removal/Replacement This module contains components that can be damaged or destroyed by CAUTION electrostatic discharge. It should be serviced at a static-safe workstation. Refer to "Preparing a Static-Safe Work Station" in Chapter 8. -
Page 64: A7 Switch Board Assembly Removal/Replacement
Replacing Major Assemblies A7 Switch Board Assembly Removal/Replacement A7 Switch Board Assembly Removal/Replacement This module contains components that can be damaged or destroyed by CAUTION electrostatic discharge. It should be serviced at a static-safe workstation. Refer to "Preparing a Static-Safe Work Station" in Chapter 8. -
Page 65: A8 Power Supply/Line Filter Assembly Removal/Replacement
Replacing Major Assemblies A8 Power Supply/Line Filter Assembly Removal/Replacement A8 Power Supply/Line Filter Assembly Removal/Replacement This module contains components that can be damaged or destroyed by CAUTION electrostatic discharge. It should be serviced at a static-safe workstation. Refer to "Preparing a Static-Safe Work Station" in Chapter 8. -
Page 66: Servicing The Attenuator/Switch Driver
Servicing the Attenuator/Switch Driver Overview In this chapter you will find: • How to prepare a static-safe work station • How to replace the rear-panel fuse • Troubleshooting hints for diagnosing common problems • Assembly level troubleshooting... -
Page 67: Preparing A Static-Safe Workstation
• Be sure that all instruments are properly earth-grounded to prevent buildup of static charge. • Personnel should be grounded with a resistor-isolated wrist strap before touching the center pin of any connector and before removing any assembly from the instrument. 8-2 11713A Operating and Service Manual... -
Page 68: Table 8-1 Static-Safe Esd Accessories
Wrist-strap, color black, stainless steel, without cord, has four adjustable links and a 7-mm post-type connection. 9300-1308 ESD heel-strap (reusable 6 to 12 months) Order the above by calling any Agilent Technologies Sales and Service Office. 11713A Operating and Service Manual 8-3... -
Page 69: Maintenance And Adjustments
Be sure to select the correct fuse rating for the selected line voltage. Do WARNING not use repaired fuses or short circuited fuse-holders. To do so could cause a shock or fire hazard. Adjustments The 11713A attenuator/switch driver has no internal electrical or mechanical adjustments. 8-4 11713A Operating and Service Manual... -
Page 70: Troubleshooting
If the pulses are present when the corresponding front panel button is pushed, check the output of the A4 multiplexers. Verify that the multiplexers are in local mode of operation. 11713A Operating and Service Manual 8-5... - Page 71 The default address 728 is set at the factory. If you are using a different NOTE address number, replace 728 in the commands above with the appropriate address of your instrument. Refer to "GPIB Addressing". 8-6 11713A Operating and Service Manual...
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Page 72: Parts Identification
A7 switch board assembly 11713-60007 A8 power module/line filter assembly 0960-0443 A8C1 capacitor.1 F 250 Vac(RMS) 0160-4065 F1 fuse 1.25 A/250 V 2110-0094 MP39 heatsink 11713-00022 T1 transformer 9100-4080 W4 34-conductor 8120-2811 W6line ON/OFF (includes S1) 11713-60013 11713A Operating and Service Manual 8-7... -
Page 73: Figure 8-2 11713A Attenuator/Switch Driver Top Cover Removed
Servicing the Attenuator/Switch Driver Troubleshooting Figure 8-2 11713A Attenuator/Switch Driver Top Cover Removed 8-8 11713A Operating and Service Manual... -
Page 74: Figure 8-3 11713A Attenuator Switch Driver Bottom Cover Removed
Servicing the Attenuator/Switch Driver Troubleshooting Figure 8-3 11713A Attenuator Switch Driver Bottom Cover Removed 11713A Operating and Service Manual 8-9... -
Page 75: 11713A Simplified Block Diagram
State DIO1-DIO7 Trigger Control Lines 10 Line Qualifier Inverters Listen Demultiplexer DIO1-DIO7 A and B Handshake Out NRFD GPIB Listen A or B A or B NRFD A or B Enable NDAC Handshake Clock NDAC 11713A Simplified Block Diagram au401a... -
Page 76: Troubleshooting The A1 Interconnect Assembly
In addition, the Al interconnect assembly provides GPIB lines level shifting to meet the IEEE specifications for a listener device. 11713A Operating and Service Manual 8-13... -
Page 77: Troubleshooting The A2 Driver Assembly
OUTPUT 728;”BI2345678” 4. If the response s satisfactory, the A2 drive assembly should be operational. 5. If the response is unsatisfactory, check the other assemblies first before you decide to replace the A2 driver assembly. 8-14 11713A Operating and Service Manual... - Page 78 The relays K1 and K2 provide reversible polarity for ground and + 24 Vdc necessary to drive switches. The relay contacts are also protected against spikes from inductive loads. 11713A Operating and Service Manual 8-15...
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Page 79: Troubleshooting The A3 Latch Assembly
The power-up circuit sets the state of all flip-flops so that the instrument powers up in the local state and with all switches set to the A (LEDs on) condition. Any attenuators connected to the driver are set to maximum attenuation on power up. 8-16 11713A Operating and Service Manual... -
Page 80: Troubleshooting The A4 Local Logic Assembly
A7 front panel assembly. The outputs become the clocks for the A3 latch assembly flip-flops. Bus commands determine the state of the A or B flip-flop which controls the output state of the instrument. 11713A Operating and Service Manual 8-17... -
Page 81: Troubleshooting The A5 Handshake And Data Input Assembly
NRFD and NDAC signals on the bus. The basic purpose of this logic is to signal the other driver circuits that the DIO lines contain a character for possible processing to interface the circuits to the GPIB three-wire handshake system. 8-18 11713A Operating and Service Manual... - Page 82 OUT) and remote signals to output the NCLK signal from U11A on the A4 remote /local assembly. • places the driver into remote operation or local operation on command from the interface bus in conjunction with the remote/local logic. 11713A Operating and Service Manual 8-19...
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Page 83: Troubleshooting The A6 Interface Assembly
All attenuator lights go off except the remote light. OUTPUT 728;”Bl2345678” 2. If the response is satisfactory, the A6 interface assembly should be operational. 3. If the response is unsatisfactory, refer to the troubleshooting procedures for the A2 driver assembly. 8-20 11713A Operating and Service Manual... -
Page 84: Troubleshooting The A7 Switch Board Assembly
LEDs behind the front panel switches indicate the present output state of the driver as seen by the flip-flops on the A3 latch assembly. The driver is in the A state when LEDs are on and in the B state when they are off. 11713A Operating and Service Manual 8-21... - Page 85 The ON/OFF LED is operated from the +5 Vdc supply. In remote operation, a bus command sets the listen flip-flop to accept further bus commands. The listen flip-flop resets when a local command is given. 8-22 11713A Operating and Service Manual...
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Page 86: The A8 Power Supply/Line Module Assembly
The main ac line fuse is located on the rear panel in the line power module. Refer to "Fuse Removal/Replacement". 2. If the fuse is not faulty, replace the A8 power supply/line module assembly. 11713A Operating and Service Manual 8-23... - Page 87 2-3 features power requirements 2-3 front panel 5-3 program execution time 6-4 front panel control 5-3 rack mounting 2-2 features 5-3 rear panel pushbuttons 5-3 removal 7-7 removal 7-6 receiving messages 11713A Operating and Service Manual Index 1...
- Page 88 6-4 require service 6-5 status bit 6-5 status byte 6-5 servicing your instrument 2-2 set local message 4-7 supplemental characteristics 3-2 test equipment 8-5 Troubleshooting 8-5 verification local operation 4-3 remote operation 4-5 Index 2 11713A Operating and Service Manual...