Anritsu MS2681A Manuel utilisateur

17th Edition

For safety and warning information, please read this

manual before attempting to use the equipment.

Keep this manual with the equipment.

MS2681A/MS2683A/MS2687A/MS2687B

Spectrum Analyzer

Operation Manual

Vol. 1

(Basic Operating Instructions)

Document No.: M-W1754AE-17.0

ANRITSU CORPORATION

To prevent the risk of personal injury or loss related to equipment malfunction, Anritsu Corporation uses the following

safety symbols to indicate safety-related information. Insure that you clearly understand the meanings of the symbols

BEFORE using the equipment. Some or all of the following five symbols may not be used on all Anritsu equipment.

In addition, there may be other labels attached to products which are not shown in the diagrams in this manual.

Symbols used in manual

DANGER

WARNING

CAUTION

Safety Symbols Used on Equipment and in Manual

The following safety symbols are used inside or on the equipment near operation locations to provide information

about safety items and operation precautions. Insure that you clearly understand the meanings of the symbols

and take the necessary precautions BEFORE using the equipment.

This indicates a prohibited operation. The prohibited operation is indicated

symbolically in or near the barred circle.

This indicates an obligatory safety precaution. The obligatory operation is indi-

cated symbolically in or near the circle.

This indicates warning or caution. The contents are indicated symbolically in or

near the triangle.

This indicates a note. The contents are described in the box.

These indicate that the marked part should be recycled.

MS2681A/MS2683A/MS2687A/MS2687B

Spectrum Analyzer

Operation Manual Vol. 1 (Basic Operating Instructions)

20 April 2000 (First Edition)

25 August 2006 (17th Edition)

publisher.

The contents of this manual may be changed without prior notice.

Printed in Japan

This indicates a very dangerous procedure that could result in serious injury or

death if not performed properly.

This indicates a hazardous procedure that could result in serious injury or death if

not performed properly.

This indicates a hazardous procedure or danger that could result in light-to-severe

injury, or loss related to equipment malfunction, if proper precautions are not taken.

Safety Symbols

iii

For Safety

WARNING

1. ALWAYS refer to the operation manual when working near locations at

which the alert mark shown on the left is attached. If the operation, etc.,

is performed without heeding the advice in the operation manual, there

is a risk of personal injury. In addition, the equipment performance may

be reduced.

Moreover, this alert mark is sometimes used with other marks and de-

scriptions indicating other dangers.

2. Measurement Categories

This instrument is designed for Measurement category I (CAT I). Don't

use this instrument at the locations of measurement categories from

CAT II to CAT IV.

In order to secure the safety of the user making measurements, IEC

61010 clarifies the range of use of instruments by classifying the loca-

tion of measurement into measurement categories from I to IV.

The category outline is as follows:

Measurement category I (CAT I):

Secondary circuits of a device connected to an outlet via a power trans-

former etc.

Measurement category II (CAT II):

Primary circuits of a device with a power cord (portable tools, home

appliance etc.) connected to an outlet.

Measurement category III (CAT III):

Primary circuits of a device (fixed equipment) to which power is directly

supplied from the power distribution panel, and circuits from the distri-

bution panel to outlets.

Measurement category IV (CAT IV):

All building service-line entrance circuits through the integrating watt-

meter and primary circuit breaker (power distribution panel).

3. When supplying power to this equipment, connect the accessory 3-pin

power cord to a grounded outlet. If a grounded outlet is not available,

before supplying power to the equipment, use a conversion adapter and

ground the green wire, or connect the frame ground on the rear panel of

the equipment to ground. If power is supplied without grounding the

equipment, there is a risk of receiving a severe or fatal electric shock.

For Safety

WARNING

4. This equipment cannot be repaired by the operator. DO NOT attempt to

remove the equipment covers or unit covers or to disassemble internal

components. Only qualified service technicians with a knowledge of

electrical fire and shock hazards should service this equipment. There

are high-voltage parts in this equipment presenting a risk of severe in-

jury or fatal electric shock to untrained personnel. In addition, there is a

risk of damage to precision components.

5. The performance-guarantee seal verifies the integrity of the equipment.

To ensure the continued integrity of the equipment, only Anritsu service

personnel, or service personnel of an Anritsu sales representative,

should break this seal to repair or calibrate the equipment. If the perfor-

mance-guarantee seal is broken by you or a third party, the perfor-

mance of the equipment cannot be guaranteed.

6. This equipment should be used in the correct position. If the cabinet is

turned on its side, etc., it will be unstable and may be damaged if it falls

over as a result of receiving a slight mechanical shock.

And also DO NOT use this equipment in the position where the power

switch operation is difficult.

7. DO NOT short the battery terminals and never attempt to disassemble it

or dispose of it in a fire. If the battery is damaged by any of these

actions, the battery fluid may leak.

This fluid is poisonous.

DO NOT touch it, ingest it, or get in your eyes. If it is accidentally in-

gested, spit it out immediately, rinse your mouth with water and seek

medical help. If it enters your eyes accidentally, do not rub your eyes,

irrigate them with clean running water and seek medical help. If the

liquid gets on your skin or clothes, wash it off carefully and thoroughly.

8. This instrument uses a Liquid Crystal Display (LCD); DO NOT subject

the instrument to excessive force or drop it. If the LCD is subjected to

strong mechanical shock, it may break and liquid may leak.

This liquid is very caustic and poisonous.

DO NOT touch it, ingest it, or get in your eyes. If it is ingested acciden-

tally, spit it out immediately, rinse your mouth with water and seek medi-

cal help. If it enters your eyes accidentally, do not rub your eyes, irrigate

them with clean running water and seek medical help. If the liquid gets

on your skin or clothes, wash it off carefully and thoroughly.

Repair

WARNING

Calibration

Falling Over

Battery Fluid

LCD

For Safety

CAUTION

1. Before Replacing the fuses, ALWAYS remove the power cord from the

poweroutlet and replace the blown fuses. ALWAYS use new fuses of

the type and rating specified on the fuse marking on the rear panel of

the cabinet.

T6.3A indicates a time-lag fuse.

2. Keep the power supply and cooling fan free of dust.

• Clean the power inlet regularly. If dust accumulates around the

power pins, there is a risk of fire.

• Keep the cooling fan clean so that the ventilation holes are not ob-

structed. If the ventilation is obstructed, the cabinet may overheat

and catch fire.

3. Maximum DC voltage ratings:

RF Input ±DC 0 V

Maximum AC power (continuous wave) ratings:

RF Input +30 dBm (RF ATT ≥10 dB)

NEVER input a over maximum ratings to RF Input, excessive power

may damage the internal circuits.

◆MS2681A/MS2683A (plus opt.08 pre-amplifier ON)

Maximum AC power (continuous wave) ratings:

RF Input +10 dBm (RF ATT ≥10 dB)

NEVER input a over maximum ratings to RF Input, excessive power

may damage the internal circuits.

Replacing Fuse

CAUTION

Cleaning

Check Terminal

For Safety

CAUTION

The power for memory backup is supplied by a Poly-carbonmonofluoride

Lithium Battery. This battery should only be replaced by a battery of the

same type; since replacement can only be made by Anritsu, contact the

nearest Anritsu representative when replacement is required.

Note: The battery used in this equipment has a maximum useful life of

7 years. It should be replaced before this period has elapsed.

This equipment stores data and programs using Plug-in Memory card.

Data and programs may be lost due to improper use or failure.

ANRITSU therefore recommends that you backup the memory.

Anritsu Corporation will not accept liability for lost data.

Pay careful attention to the following points.

•Do not remove the memory card from equipment being accessed.

•Isolate the card from static electricity.

•The PC-ATA card or Compact Flash card operation is not guaranteed

generally.

This equipment uses chemical compound semiconductor including ars-

enide.

At the end of its life, the equipment should be recycled or disposed properly

according to the local disposal regulations.

Replacing Memory

Back-up Battery

External

Storage Media

Disposing of The

Product

vii

Equipment Certificate

Anritsu Corporation certifies that this equipment was tested before shipment using calibrated

measuring instruments with direct traceability to public testing organizations recognized by

national research laboratories including the National Institute of Advanced Industrial Science

and Technology, and the National Institute of Information and Communications Technology,

and was found to meet the published specifications.

Anritsu Warranty

Anritsu Corporation will repair this equipment free-of-charge if a malfunction occurs

within one year after shipment due to a manufacturing fault, under the condition that

this warranty is void when:

• The fault is outside the scope of the warranty conditions described in the operation

manual.

• The fault is due to mishandling, misuse, or unauthorized modification or repair of

the equipment by the customer.

• The fault is due to severe usage clearly exceeding normal usage.

• The fault is due to improper or insufficient maintenance by the customer.

• The fault is due to natural disaster including fire, flooding, earthquake, etc.

• The fault is due to use of non-specified peripheral equipment, peripheral parts,

consumables, etc.

• The fault is due to use of a non-specified power supply or in a non-specified instal-

lation location.

In addition, this warranty is valid only for the original equipment purchaser. It is not

transferable if the equipment is resold.

Anritsu Corporation will not accept liability for equipment faults due to unforeseen and

unusual circumstances, nor for faults due to mishandling by the customer.

Anritsu Corporation Contact

In the event that this equipment malfunctions, contact an Anritsu Service and Sales

office. Contact information can be found on the last page of the printed version of this

manual, and is available in a separate file on the CD version.

viii

Notes On Export Management

This product and its manuals may require an Export License/Approval by

the Government of the product's country of origin for re-export from your

country.

Before re-exporting the product or manuals, please contact us to confirm

whether they are export-controlled items or not.

When you dispose of export-controlled items, the products/manuals are

needed to be broken/shredded so as not to be unlawfully used for

military purpose.

Crossed-out Wheeled Bin Symbol

Equipment marked with the Crossed-out Wheeled Bin Symbol complies with council

directive 2002/96/EC (the "WEEE Directive") in European Union.

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 ac-

cordance with your initial contract and the local law.

Front Panel Power Switch

To prevent malfunction caused by accidental touching, the front power switch of this equipment turns on the

power if it is pressed continuously for about one second in the standby state. If the switch is pressed continu-

ously for one second in the power-on state, the equipment enters the standby state.

In the power-on state, if the power plug is removed from the outlet, then reinserted into it, the power will not

be turned on. Also, if the lines is disconnected due to momentary power supply interruption or power failure,

the power will not be turned on (enters the standby state) even if the line is recovered.

This is because this equipment enters the standby state and prevents incorrect data from being acquired when

the line has to be disconnected and reconnected.

For example, if the sweep time is 1,000 seconds and data acquisition requires a long time, momentary power

supply interruption (power failure) might occur during measurement and the line could be recovered auto-

matically to power-on. In such a case, the equipment may mistake incorrect data for correct data without

recognizing the momentary power supply interruption.

If this equipment enters the standby state due to momentary power supply interruption or power failure,

check the state of the measuring system and press the front power switch to restore power to this equipment.

Further, if this equipment is built into a system and the system power has to be disconnected then recon-

nected, the power for this equipment must also be restored by pressing the front power switch.

Consequently, if this equipment is built into remote monitoring systems that use MODEMs, please install

option 46 “Auto Power Recovery”to equipment.

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