Anritsu Spectrum Master MT8212A User manual

Fast. Accurate, Repeatable, Portable Spectrum Analysis
Spectrum Master™
MS2711D
User’s Guide
MS2712
MS2712
MS2712
SiteMaster SpectrumMaster CellMaster
MS2711DSpectrumMaster
S331DSiteMaster SiteMaster SpectrumMaster MT8212A CellMaster CellMaster

WARRANTY
The Anritsu product(s) listed on the title page is (are) warranted against defects in
materials and workmanship for one year from the date of shipment.
Anritsu's obligation covers repairing or replacing products which prove to be defec-
tive during the warranty period. Buyers shall prepay transportation charges for
equipment returned to Anritsu for warranty repairs. Obligation is limited to the origi-
nal purchaser. Anritsu is not liable for consequential damages.
LIMITATION OF WARRANTY
The foregoing warranty does not apply to Anritsu connectors that have failed due to
normal wear. Also, the warranty does not apply to defects resulting from improper or
inadequate maintenance by the Buyer, unauthorized modification or misuse, or op-
eration outside the environmental specifications of the product. No other warranty is
expressed or implied, and the remedies provided herein are the Buyer's sole and
exclusive remedies.
TRADEMARK ACKNOWLEDGMENTS
MS-DOS, Windows, Windows for Workgroups, Windows 95/98/NT4/2000/ME/XP
are registered trademarks of the Microsoft Corporation.
Spectrum Master is a trademark of Anritsu Company.
NOTICE
Anritsu Company has prepared this manual for use by Anritsu Company personnel
and customers as a guide for the proper installation, operation and maintenance of
Anritsu Company equipment and computer programs. The drawings, specifications,
and information contained herein are the property of Anritsu Company, and any un-
authorized use or disclosure of these drawings, specifications, and information is
prohibited; they shall not be reproduced, copied, or used in whole or in part as the
basis for manufacture or sale of the equipment or software programs without the
prior written consent of Anritsu Company.
UPDATES
Updates to this manual, if any, may be downloaded from the Anritsu internet site at:
http://www.us.anritsu.com.
June 2008 10580-00097
Copyright ã2003-2008 Anritsu Company Revision: K
Equipment marked with the Crossed-out Wheelie
Bin symbol complies with the European
Parliament and Council Directive 2002/96/EC (the
“WEEE Directive”) in European Union.the
For Products placed on the EU market after
August 13, 2005, please contact your local Anritsu
representative at the end of the product's useful
life to arrange disposal in accordance with your
initial contract and the local law.

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Table of Contents
Chapter 1 - General Information
Introduction ..................................1-1
Description ...................................1-1
Standard Accessories .............................1-1
Options .....................................1-2
Printers .....................................1-2
Optional Accessories..............................1-3
Performance Specifications ..........................1-6
Preventive Maintenance ...........................1-10
Calibration ..................................1-11
Annual Calibration ..............................1-11
ESD Cautions .................................1-11
Anritsu Service Centers............................1-12
Chapter 2 - Quick Start Guide
Introduction ..................................2-1
Turning the MS2711D On for the First Time .................2-1
Front Panel Overview .............................2-2
Display Overview ...............................2-3
Test Panel Connectors ............................2-15
Making Spectrum Analyzer Measurements .................2-16
Making a Basic Measurement ........................2-22
Example – Measuring a 900 MHz signal...................2-22
Save and Recall Display ...........................2-27
Printing ....................................2-27
Battery Information..............................2-29
Charging a New Battery ...........................2-29
Charging the Battery in the Instrument ...................2-29
Charging the Battery in the Optional Charger ................2-29
Determining Remaining Battery Life.....................2-30
Symbols....................................2-33
Self Test ...................................2-34
Error Messages ................................2-35
Using the Soft Carrying Case.........................2-39
Chapter 3 - Key Functions
Introduction ..................................3-1
Hard Keys ...................................3-1
Soft Keys....................................3-4
Power Meter (Internal).............................3-4
Power Monitor (External Detector) Option 5 .................3-8
High Accuracy Power Meter (Option 19) ..................3-10
Spectrum Analyzer Menus ..........................3-12
Transmission Measurement Menus......................3-27
Interference Analyzer Mode (Option 25)...................3-36
i

Channel Scanner Mode (Option 27) .....................3-46
CW Signal Generator Mode (Option 28) ...................3-50
All Modes...................................3-53
Chapter 4 - Measurement Fundamentals
Introduction ..................................4-1
Measurement Fundamentals ..........................4-1
Preamplifier ..................................4-4
Preamplifier Operation.............................4-4
Preamplifier Measurement Example......................4-5
Chapter 5 - Field Measurements
Introduction ..................................5-1
Occupied Bandwidth..............................5-1
Channel Power Measurement .........................5-3
CDMA Channel Power Measurement .....................5-3
GSM Channel Power Measurement ......................5-5
AMPS Channel Power Measurement .....................5-7
Adjacent Channel Power Ratio ........................5-9
Adjacent Channel Power Measurement ....................5-9
GSM Adjacent Channel Power Measurement ................5-11
AMPS (TDMA) Adjacent Channel Power Measurement ..........5-13
Out-of-Band Spurious Emissions.......................5-15
Out-of-Band Spurious Emission Measurement ...............5-15
In-band/Out-of-Channel Measurements ...................5-17
In-band Spurious Measurement .......................5-17
Field Strength .................................5-19
Dynamic Attenuation Control ........................5-22
Frequency Converter Interface (Option 6) ..................5-23
Bias Tee (Option 10) .............................5-23
AM/FM Demodulation ............................5-24
Demodulation Procedure ...........................5-24
Carrier to Interference Ratio Measurement..................5-26
Interference Analysis .............................5-29
Noise Marker .................................5-30
Chapter 6 - Power Measurements
Introduction ..................................6-1
Making Power Measurements with the Option 29 Power Meter (Internal) . . 6-1
Making Power Measurements with the Option 5 Power Monitor (External) . 6-4
Making Power Measurements with the Option 19 High Accuracy Power Meter6-6
Chapter 7 - Transmission Measurement
Introduction ..................................7-1
Measuring Active Devices ...........................7-1
Calibration ...................................7-1
Transmission Measurement Procedure ....................7-2
ii

Chapter 8 - GPS Feature
Introduction ..................................8-1
Activating the GPS Feature ..........................8-1
Saving with GPS Information .........................8-3
Recalling GPS Information ..........................8-3
Chapter 9 - Interference Analyzer Mode
Introduction ..................................9-1
Interference Analysis .............................9-1
Spectrogram ..................................9-1
Signal Strength .................................9-3
RSSI ......................................9-4
Signal ID ...................................9-5
Chapter 10 - Channel Scanner Mode
Introduction ..................................10-1
Channel Scanner ...............................10-1
Chapter 11 - Signal Generator Mode
Introduction ..................................11-1
Required Equipment .............................11-1
Procedure ...................................11-1
Softkeys....................................11-2
Chapter 12 - Handheld Software Tools
Introduction ..................................12-1
Features ....................................12-1
System Requirements.............................12-1
Installation ..................................12-2
Using Handheld Software Tools .......................12-3
Downloading Traces .............................12-3
Plot Capture to the PC ............................12-4
Plot Upload to the Instrument ........................12-4
Plot Properties ................................12-4
Index
iii

Chapter 1
General Information
Introduction
This chapter provides a description, performance specifications, optional accessories, pre-
ventive maintenance, and calibration requirements for the Anritsu Handheld Spectrum Ana-
lyzer model listed below. Throughout this manual, this instrument may be referred to as an
Anritsu Spectrum Masterä.
Model Frequency Range
MS2711D 100 kHz to 3 GHz
Description
The Anritsu Spectrum Master is a synthesizer-based hand held spectrum analyzer that pro-
vides quick and accurate signal results. Measurements can be easily made by using the
main instrument functions: frequency, span, amplitude and bandwidth. Dedicated keys for
common functions and a familiar calculator-type keypad are available for fast data entry.
Automatic time and date stamping of measurement data of up to 200 results is provided as
is storage and recall of up to 10 measurement setups. A large, daylight-viewable TFT color
display provides easy viewing in a variety of lighting conditions. The Anritsu Spectrum
Master is capable of up to one and one-half hours of continuous operation from a fully
charged battery and can be operated from a 12.5 Vdc source (which also simultaneously
charges the battery). Built-in energy conservation features can be used to extend battery life
over an eight-hour workday.
The Anritsu Spectrum Master is designed for monitoring, measuring, and analyzing signal
environments. Typical measurements include: in-band interference, transmit spectrum anal-
ysis, antenna isolation and cell area interference. A full range of marker capabilities such as
peak, center and delta functions are provided for faster, more comprehensive measurement
of displayed signals. Multiple limit lines are available for creating quick, simple pass/fail
measurements. A menu option provides for an audible beep when the limit value is ex-
ceeded.
Standard Accessories
Anritsu Handheld Software Tools, a PC-based software program, provides an on-line data-
base record for storing measurement data. Handheld Software Tools can also convert the
Anritsu Spectrum Master display to a Microsoft Windows 95/98/NT4/2000/ME/XP
graphic. Measurements stored in the Anritsu Spectrum Master internal memory can be
down-loaded to a PC using the included null-modem serial cable. Once stored, the graphic
trace can then be displayed, scaled, or enhanced with markers and limit lines. Historical
graphs can be overlaid with current data using the PC mouse in a drag-and-drop fashion.
The underlying data can be extracted and used in spreadsheets or for other analytical tasks.
1-1

The following standard accessories are supplied with the MS2711D:
·10580-00097 MS2711D Spectrum Master User's Guide
·48258 Soft Carrying Case, part number
·40-168 AC-DC Adapter with Power Cord
·806-62 Automotive Cigarette Lighter 12 Volt DC Adapter
·633-27 Rechargeable NiMH Battery
·800-441 Serial Interface Cable (null modem type)
·2300-347 Anritsu Handheld Software Tools CDROM
·One Year Warranty (includes battery, firmware, and software)
Options
·Option 5 Power Monitor - Requires external detector
·Option 6 Frequency Converter Interface
·Option 10 Bias Tee
·Option 19 High Accuracy Power Meter (sensor not included)
·Option 21 Transmission Measurement
·Option 25 Interference Analyzer - Requires directional antenna
·Option 27 Channel Scanner
·Option 28 CW Signal Generator - Requires CW Signal Generator Kit
(Anritsu Part Number 61534)
·Option 29 Internal Power Meter
·Option 31 GPS - Requires GPS Antenna
NOTE: Options 5 and 6 are mutually exclusive. That is, the MS2711D can be
configured with either Option 5, Power Monitor, or Option 6, Frequency Con-
verter Interface, but not both.
Printers
·2000-1214 HP DeskJet 450 Printer, w/ Interface Cable, Black Print Cartridge,
and U.S. Power Cable and Cable Adapter
·2000-753 Serial-to-Parallel Converter Cable
·2000-1216 Black Print Cartridge
·2000-1217 Rechargeable Battery Pack for HP 450 Deskjet
·2000-663 Power Cable (Europe) for DeskJet Printer
·2000-664 Power Cable (Australia) for DeskJet Printer
·2000-1218 Power Cable (U.K.) for DeskJet Printer
·2000-666 Power Cord (Japan) for DeskJet Printer
·2000-667 Power Cable (So. Africa) for DeskJet Printer
1-2
Chapter 1 General Information

Optional Accessories
Optional Accessories are shown in Table 1-1.
1-3
Chapter 1 General Information
Part Number Description
61534 CW Signal Generator Kit with variable step attenuator
42N50A-30 Attenuator, 30 dB, 50 Watt, bi-directional
15NN50-1.5C Test Port Cable Armored, 1.5 meter, N(m) to N(m), 6 GHz
510-90 Adapter 7/16 (f) to N(m), 6 GHz
510-92 Adapter 7/16 (m) to N(m), 6 GHz
510-96 Adapter 7/16 DIN (m) to 7/16 DIN (m), 6 GHz
510-97 Adapter 7/16 DIN (f) to 7/16 DIN (f), 6 GHz
1091-26 Adapter, DC to 18 GHz, 50W, N(m)-SMA(m)
1091-27 Adapter, DC to 18 GHz, 50W, N(m)-SMA(f)
1091-172 Adapter, DC to 1.3 GHz, 50W, N(m)-BNC(f)
34NN50A Precision Adapter, DC to 18 GHz, 50W, N(m)-N(m)
34NFNF50 Precision Adapter, DC to 18 GHz, 50W, N(f)-N(f)
1030-86 Band Pass Filter, 800 MHz band, 806-869 MHz, IL=1.7 dB, N(m)-SMA(f)
1030-87 Band Pass Filter, 900 MHz band, 902-960 MHz, IL=1.7 dB, N(m)-SMA(f)
1030-88 Band Pass Filter, 1900 MHz band, 1.85-1.99 GHz, IL=1.8 dB, N(m)-SMA(f)
1030-89 Band Pass Filter, 2400 MHz band, 2.4-2.5 GHz, IL=1.9 dB, N(m)-SMA(f)
12N50-75B Matching Pad, converts 75WN(f) to 50WN(m), 7.5 dB loss
15NNF50-1.5C Armored Test Port Extension Cable, 1.5 meter, N (m) to N (f) 6 GHz
15NNF50-3.0C Armored Test Port Extension Cable, 3.0 meter, N (m) to N (f) 6 GHz
15NNF50-5.0C Armored Test Port Extension Cable, 5.0 meter, N (m) to N (f) 6 GHz
15NN50-1.5C Armored Test Port Extension Cable, 1.5 meter, N (m) to N (m) 6 GHz
15NN50-3.0C Armored Test Port Extension Cable, 3.0 meter, N (m) to N (m) 6 GHz
15NN50-5.0C Armored Test Port Extension Cable, 5.0 meter, N (m) to N (m) 6 GHz
15NDF50-1.5C Armored Test Port Extension Cable, 1.5 meter, N (m) to 7/16 DIN (f) 6 GHz
760-235 Transit Case for Anritsu Handheld Spectrum Analyzer
2300-347 Anritsu Handheld Software Tools
551-1691 USB Adapter Cable
633-27 NiMH Battery
10580-00097 Anritsu Spectrum Master User’s Guide, Model MS2711D
10580-00098
10580-00099
Anritsu Spectrum Master Programming Manual, Model MS2711D
Anritsu Spectrum Master Maintenance Manual, Model MS2711D
2000-1029 Battery Charger (NiMH), with Universal Power Supply
2000-1030 Portable Antenna, 50W, SMA (m), 1.71 to 1.88 GHz
2000-1031 Portable Antenna, 50W, SMA (m), 1.85 to 1.99 GHz
2000-1032 Portable Antenna, 50W, SMA (m), 2.4 to 2.5 GHz
2000-1200 Portable Antenna, 50W, SMA (m), 806-866 MHz
2000-1035 Portable Antenna, 50W, SMA (m), 896-941 MHz
2000-1361 Portable Antenna, 50W, SMA (m), 5.725-5.825 MHz
2000-1411 Portable Yagi Antenna, N(f), 822-900 MHz, 10 dBd
Table 1-1. Optional Accessories

Part Number Description

Power Monitor (Option 5) RF Detectors
The Anritsu 5400 and 560 Series Detectors use zero-biased Schottky diodes. Measurement
range is –55 dBm to +16 dBm using single cycle per sweep AC detection, auto-zeroing
with DC detection during the frequency sweep. Extender cables of over 3000 feet can be
used with the MS2711D Specgtum Master with Option 5 installed.
Model Frequency
Range Impedance Return Loss Input Conn. Frequency Response
5400-71N50 0.001 to 3 GHz 50W26 dB N(m) ±0.2 dB, <1 GHz
±0.3 dB, <3 GHz
5400-71N75 0.001 to 3 GHz 75W26 dB, <2 GHz
20 dB, <3 GHz N(m) ±0.2 dB, <1 GHz
±0.5 dB, <3 GHz
560-7A50 0.01 to 18 GHz 50W15 dB, <0.04 GHz 22 dB, <8.00 GHz
17 dB, <18.0 GHz GPC-7 ±0.5 dB, <18 GHz
560-7N50B 0.01 to 20 GHz 50W
15 dB, <0.04 GHz
22 dB, <8.00 GHz
17 dB, <18.0 GHz
14 dB, <20.0 GHz
N(m) ±0.5 dB, <18 GHz
±1.25 dB, <20 GHz
560-7S50B 0.01 to 20 GHz 50W
15 dB, <0.04 GHz
22 dB, <8.00 GHz
17 dB, <18.0 GHz
14 dB, <20.0 GHz
WSMA
(m) ±0.5 dB, <18 GHz ±2.0 dB, <20 GHz
560-7S50-2 0.01 to 26.5 GHz 50W
15 dB, <0.04 GHz
22 dB, <8.00 GHz
17 dB, <18.0 GHz
14 dB, <26.5 GHz
WSMA
(m) ±0.5 dB, <18 GHz ±2.0 dB, <26.5 GHz
560-7K50 0.01 to 40 GHz 50W
12 dB, <0.04 GHz
22 dB, <8.00 GHz
17 dB, <18.0 GHz
15 dB, <26.5 GHz
14 dB, <32.0 GHz
13 dB, <40.0 GHz
K(m)
±0.5 dB, <18 GHz
±1.25 dB, <26.5 GHz
±2.2 dB, <32 GHz
±2.5 dB, <40 GHz
560-7VA50 0.01 to 50 GHz 50W
12 dB, <0.04 GHz
19 dB, <20.0 GHz
15 dB, <40.0 GHz
10 dB, <50.0 GHz
V(m) ±0.8 dB, <20 GHz ±2.5 dB, <40 GHz
±3.0 dB, <50 GHz
1-5
Chapter 1 General Information

Performance Specifications
Performance specifications are provided in Table 1-2. Unless otherwise noted, specified
values are obtained after a five minute warmup period at a constant ambient temperature.
The typical values are provided for reference, and are not guaranteed.
1-6
Chapter 1 General Information
Description Value
Frequency
Frequency Range 100 kHz to 3 GHz (tunable to 9 kHz)
Frequency Reference
Aging
Accuracy
±1 ppm/yr
±2 ppm
Frequency Span 10 Hz to 2.99 GHz in 1, 2, 5 step selections in auto mode,
plus zero span
Sweep Time £1.1s full span; £50 ms to 20s, selectable in zero span
SSB Phase Noise –75 dBc/Hz, 30 kHz offset@1GHz
Spurious Responses
Input Related £-45 dBc
Spurious
Residual Responses £-90 dBm, 10 kHz RBW, pre-amp on
Resolution Bandwidth
Selections 100 Hz to 1 MHz in 1-3 sequence
Accuracy
Video Bandwidth
5% typical
Selection
Accuracy
3 Hz to 1 MHz in 1-3 sequence
±5%
Amplitude
Measurement Range
Maximum Input Level
+20 dBm to –135 dBm
+43 dBm, peak, without damage
±50 VDC
Displayed Average Noise
Level:
£–135 dBm typical, ³10 MHz; £–115 dBm typical, <10 MHz
(input terminated, 0 dB attenuation, RMS detection, 100 Hz
RBW, preamp on)
Dynamic Range > 65 dB
Total Level Accuracy ±1.5 dBm max (±1 dBm typical) >10 MHz to 3 GHz
±2 dBm typical <10 MHz for input signal levels ³–60 dBm
(excludes input VSWR mismatch)
Amplitude Units
Scale Mode dBm, dBV, dBmV, dBmV, V, W
Log Display 1 to 15 dB/division, in 1 dB steps, 10 divisions displayed
Linear Display 10 divisions
Attenuator Range: 0 to 51 dB, selected manually or automatically
coupled to the reference level. Resolution in 1 dB steps.
Table 1-2. Performance Specifications (1 of 4)

1-7
Chapter 1 General Information
Description Value
Power Monitor (Option 5, w/external detector)
Detector Range:
Offset Range:
Display Range:
Resolution:
Measurement Accuracy:
1A peak 150 ms, 300 mA max steady state
–50 to +20 dBm, 10 nW to 100 nW
–80 to 80 dBm
0.1 dB, 0.1 xW
±1 dB maximum for >–40 dBm and <18 GHz using
560-7N50B (see uncertainty curves)
Bias Tee (Option 10)
Voltage +18 VDC
Current 300 mA continuous, 1A peak for 200 ms
High Accuracy Power Meter (Option 19, with optional PSN50 Power Sensor)
Sensor:
Measurement Range: –30 to +20 dBm
Frequency Range: 50 MHz to 6 GHz
Input Connector: Type N, male, 50W
Max Input Without Damage: +33 dBm, ± 25 VDC
Input Return Loss : 50 MHz to 2 GHz: ³26 dB
2 GHz to 6 GHz: ³20 dB
Accuracy:
Total RSS Meas. Uncertainty: CW signals: ± 0.16 dB (0 to 50°C)*
Noise: 20 nW max
Zero Set: 20 nW
Zero Drift: 10 nW max**
Instrumentation Accuracy: 0.00 dB
Sensor Linearity: ± 0.13 dB max
Sensor Cal Factor
Uncertainty: ± 0.06 dB
Temperature Compensation: ± 0.06 dB max
Continuous digital modulation
uncertainty: +0.06 dB (+17 to +20 dBm)
System:
Measurement Resolution: 0.01 dB
Offset Range: ± 60dB
Power Requirements:
Supply Voltage: 8 to 18 Vdc
Supply Current: <100 mA
*Excludes mismatch errors. Excludes noise, zero set, zero drift for levels <-20 dBm. Excludes digital modulation un-
certainty between +17 and +20 dBm.
**After 30 min warm-up
Table 1-2. Performance Specifications (2 of 4)

1-8
Chapter 1 General Information
Description Value
Transmission Measurement
(Option 21)
Frequency
Freq. Resolution
Output Power Level:
25 MHz to 3.0 GHz
10 Hz
–10 dBm typical (up to –90 dBm with external attenuator)
Dynamic Range: 80 dB, 25 MHz to 2 GHz
60 dB, >2 GHz to 3 GHz
Output Impedance: 50W
Interference Analysis (Option 25)
Signal strength with audible tone
Strength of the interferer
RSSI
Spectrogram
Signal ID
Channel Scanner (Option 27)
Frequency Range: 100 kHz to 3.0 GHz
Frequency Accuracy: ± 10 Hz + Time base error, 99% confidence level
Measurement Range: +20 dBm to –110 dBm
Channel Power: ±1 dB typical (±1.5 dB max)
Adjacent Channel
Power Accuracy: ±0.75 dBc
Power Meter (Option 29)
Frequency Range >3 MHz to 3 GHz
Detection Range –80 dBm to +20 dBm (+80 dBm with 60 dB external pad)
Offset Range 0 to +60 dB
Accuracy ±1.5 dBm maximum (±1 dBm typical) 10 MHz to 3 GHz
±2 dBm typical <10 MHz
VSWR 1.5:1 typical (Pin > –30 dBm, 10 MHz to 2.4 GHz)
Maximum Power
(without damage)
+43 dBm without external attenuator
GPS (Option 31)
GPS Location Indicator
Latitude, Longitude and Altitude on Display
Latitude, Longitude and Altitude with Trace Storage
Display
Type TFT Color Display
Resolution 640 ´480
Table 1-2. Performance Specifications (3 of 4)

1-9
Chapter 1 General Information
Description Value
Marker Modes Standard
Delta
Marker To Peak
Marker Frequency To Center
Marker To Valley (M5 & M6 only)
Noise Markers
Memory
Trace Storage 200 traces
Setup Storage 10 setups
Displayed Traces 2 traces
Inputs
RF Input Female, Type N, 50 W
RF Out Female, Type N, 50 W(Option 21 only)
RF Input VSWR 1.5:1 typical (³20 dB atten., 10 MHz to 2.4 GHz)
RS232 Interface
Type Null modem
Baud Rate 9600, 19.2k, 38.4k, 56k, 115.2k baud
Printer Interface
Drivers Refer to the list of supported printers on page 2-27
General
Dimensions 10 ´7´2.4 inches
25.4 ´17.8 ´6.1 centimeters
Weight base model: 4.5 pounds (2.02 kg) including battery
with all options: 4.9 pounds (2.2 kg) including battery
Power Requirements NiMH battery: 10.8 volts, 1800 mAh
External DC input: +12 to +15 Vdc, 3A max.
Temperature Operating: –10 to +50°C, 85% or less humidity
Non-operating: –20 to +75°C
Electromagnetic Compatibility Meets European community requirements for CE marking
Safety Conforms to EN 61010-1 for Class 1 portable equipment
Table 1-2. Performance Specifications (4 of 4)

Preventive Maintenance
Anritsu Spectrum Master preventive maintenance consists of cleaning the unit and inspect-
ing and cleaning the RF connector on the instrument and all accessories.
Clean the Anritsu Spectrum Master with a soft, lint-free cloth dampened with water or wa-
ter and a mild cleaning solution.
CAUTION: To avoid damaging the display or case, do not use solvents or abra-
sive cleaners.
Clean the RF connectors and center pins with a cotton swab dampened with denatured alco-
hol. Visually inspect the connectors. The fingers of the N(f) connectors and the pins of the
N(m) connectors should be unbroken and uniform in appearance. If you are unsure whether
the connectors are good, gauge the connectors to confirm that their dimensions are correct.
Visually inspect the test port cable(s). The test port cable should be uniform in appearance,
not stretched, kinked, dented, or broken.
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Calibration
The Anritsu Spectrum Master loads factory calibration data during start-up, eliminating the
need for daily calibration checks.
Annual Calibration
Although the Anritsu Spectrum Master does not require daily field calibration, Anritsu rec-
ommends an annual calibration and performance verification by local Anritsu service cen-
ters. Anritsu service centers are listed in Table 1-3 beginning on the following page.
ESD Cautions
The MS2711D, like other high performance instruments, is susceptible to ESD damage.
Very often, coaxial cables and antennas build up a static charge, which, if allowed to dis-
charge by connecting directly to the MS2711D without discharging the static charge, may
damage the MS2711D input circuitry. MS2711D operators should be aware of the potential
for ESD damage and take all necessary precautions. Operators should exercise practices
outlined within industry standards such as JEDEC-625 (EIA-625), MIL-HDBK-263, and
MIL-STD-1686, which pertain to ESD and ESDS devices, equipment, and practices.
As these apply to the MS2711D, it is recommended that any static charges that may be
present be dissipated before connecting coaxial cables or antennas to the MS2711D. This
may be as simple as temporarily attaching a short or load device to the cable or antenna
prior to attaching to the MS2711D. It is important to remember that the operator may also
carry a static charge that can cause damage. Following the practices outlined in the above
standards will insure a safe environment for both personnel and equipment.
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Anritsu Service Centers
To locate the Anritsu Service Center nearest you, please visit:
www.anritsu.com/contact.asp
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Chapter 1 General Information