B+K precision 2640 Manuale utente
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Safety Term and Symbols
.
Danger statements identify condition or practices that could result in injury
or loss of life.
Caution statements identify conditions or practices that could result in
damage or fire.
Ground statements identify conditions or practices that could connect
protective conductor.
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Caution for safety
Prohibiting to removal the cover
Do not remove the instrument cover to access the internal components. Only B&K
Precisions’ Service technician with knowledge of the instruments’ condition and
dangerous voltages can repair the instrument.
Instruments that appear damaged or defective should be made inoperative and secured
against unintended operation until they can be repaired by qualified service personnel.
Keep the clean on power insert
Instrument’s power insert should remain dust free.
Clean the power insert regularly. Dust could result in damage to this instrument.
Continually clean the dust on input terminal of RF frequency counter.
Clean the input terminal regularly. Dust could result in damage to the instrument.
RF in/output rating
Rating of RF input and output connector
Maximum DC voltage rating
RF input connector (socket): N type female, 50Ohms
Maximum RF input power: 5Vrms
Caution: Do not use over 5Vrms supplied and/or (-) power could result in damage to this
instrument
Do not operate this instrument if there is any doubt it is functioning properly: if
operating personnel feels the instrument is not operating properly, return this instrument
to B&K Precision for service and repair to ensure the safety features are maintained.
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DC Power
The operating Personnel must use the DC adaptor supplied with this instrument. Other
adaptors could result in damage to this instrument and it is the limitation of warranty Exterior
DC input connector should be matched with polar. DC connector tip must attach with (+) polar
grounding.
The operating personnel must use grounded power Restore this instrument
Instrument care
＊Avoid direct light
＊Keep away the heating system
＊Avoid high temperature(Ex. Inside of the car during the summer time)
＊Keep away from liquids
＊Avoid high moisture and/or poor ventilation
＊Keep away from dust and/or smoke
＊Avoid extremely low temperature
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B&K Precision 2640 Ni-MH battery is rechargeable. Charging is controlled from the power of
the battery cell and the temperature of the battery. Ni-MH Rechargeable battery is going to
increase temp slowly until the temperature is extremely higher. Battery charging is finished
automatically by checking the degree of the temperature (dT/dt). For battery protection, when
the power of Battery cell is increased, comparing regular temperature and/or exterior
temperature degree of when the temperature increases over 50 degrees, battery charging will
be finished automatically.
Operating personnel must use Ni-MH Rechargeable Battery and do not operate in an
explosive atmosphere.
-The battery usage time can change due to the using term, environment and
temperature.
-When battery consumption is large battery-running time will decrease.
Operating personnel should phase in a new battery when battery -running time is less than
half of the initial operating time.
-Operating personnel should not use this instrument and/or keep the battery in
place for long periods of time, which could result in discharge of the battery.
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To avoid damages to battery, when battery is low, this instrument will turn off
automatically.
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Warranty
Limited One-Year Warranty
B&K Precision warrants to the original purchaser that its products and the
component parts thereof, will be free from defects in workmanship and
materials for a period of one year from date of purchase from an authorized
B&K Precision distributor.
B&K Precision will, without charge, repair or replace, at its option, defective
product or component parts. Returned product must be accompanied by proof
of the purchase date in the form of a sales receipt.
To obtain warranty coverage in the U.S.A., this product must be registered by
completing the warranty registration form on www.bkprecision.com within fifteen
(15) days of purchase.
Exclusions: This warranty does not apply in the event of misuse or abuse
of the product or as a result of unauthorized alterations or repairs. The
warranty is void if the serial number is altered, defaced or removed.
B&K Precision shall not be liable for any consequential damages, including
without limitation damages resulting from loss of use. Some states do not allow
limitations of incidental or consequential damages. So the above limitation or
exclusion may not apply to you.
This warranty gives you specific rights and you may have other rights, which
vary from state-to-state.
B&K Precision
22820 Savi Ranch Parkway
Yorba Linda, CA 92887
www.bkprecision.com
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Accessories (included)
Carrying Case AC Adaptor Carrying Strap
Coaxial Cable RS-232 Cable
Power Cable Ear Phone N-BNC
Adaptor
Ni-MH(Rechargeable
Battery) 6PCS User’s Manual Antenna
Software CD
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1. Introduction
Overview……………………………….……………………………..……………….11
2. Features
Main features …………………………………………………………………….…12
3. Functions
RF Field Strength Analyzer…………………………………………………..…….13
Frequency Counter……………………………………………………….………….13
Specifications………………………………………………………………...……….14
4. Instrument overview
Front Panel………………………………………………………………………...….18
Rear Panel…………………………………………………………………………….20
Side Panel…………………………………………………………………………….21
Top Panel…………………………………………………………………………..….22
5. Basic operation
Before Power On…………………………………………………………….……….23
Power On……………………………………………………………………………...24
Turn on Power of Instrument………………………………..…………………….25
Description of operation screen…………………………..……………………….26
Reception Mode……………………………………………………………..……….32
Sweep Mode………………………………………………………………………….33
Set up Span……………………………………………………………………..…….34
Frequency Input……………………………………………………..………………. 35
Adjust Screen Level…………………………………………………….………….37
Run - Scanning…………………………………………………..….……………….38
Marker…………………………………………………………..…………………….39
Power Meter…………………………………………………………………………46
Setting of attenuator………………………………………………………………….49
LCD Light……………………………………………………………………………...50
LCD Contrast………………………………………………………………………….51
Buzzer ON/OFF……………………………………………………..……………….52
Table of contents
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Save/Load………………………………………………………….………………….53
Frequency Counter…………………………………………………………….…….57
Power Source………………………………………………………………..……….59
Level Unit………………………………………………………………………..…….60
Reset………………………………………………………………………………..…61
Baud Rate…………………………………………………………………………..…62
Connection for PC……………………………………………………………………63
Auto Power……………………………………………………………………………64
Offset…………………………………………………………………………..………65
Menu……………………………………………………………..…………………….66
System……………………………………………………………..…….……………70
6. Description of key operating
Run [GHz] …………………………………………………………………….………73
Mode [MHz] ………………………………………………………………..…………73
Sweep [kHz] …………………………………………………………….……………74
Marker [DEL] …………………………………………………………………………74
No. 1 [Start/Stop] …………………………………………………….………………75
No. 2 [Span] ………………………………………………………………..…………75
No. 3 [Level] …………………………………………………………………….……76
No. 4 [Single]…………………….…………………………..………………………76
No. 5 [Multi]…………………………………………………………………………77
No. 6 [UNIT] ……..…………………………………………..………………………77
No. 7 [LCD Light] ……………………………………………………….……………78
No. 8 [LCD CONT; LCD Contrast] …………………………………………………78
No. 9 [Attenuator] ……………………………………………………………………79
No. 0 [system] …………………………………………………………..……………79
Shift……………………………………………………………………………….……80
Dot [Buzzer] ……………………………………………………………..……………80
Menu [Load] ………………………………………………………………….………81
Enter [Save] …………………………………………………………….……………81
Up/Down Keys and Knob Key………………………………………………………82
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