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Gold Line DSP2B, Руководство пользователя

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7 

 

INSTRUCTIONS FOR STAND-A-LONE MODELS DSP2B AND DSP2BP 

WITHOUT USING A COMPUTER 

 

INTELLIGIBILITY TESTING FOR

 

VOICE EVACUATION SYSTEMS 

 

REQUIRED EQUIPMENT:      

 

TALKBOX (requires 110vac or 8 AA Alkaline or Ni cad/NiMH batteries) 

 

DSP2B/BP (requires 110vac or 8 AA Alkaline or Ni cad/NiMH batteries) 

 

STI-PA CD test tones (included with DSP2B/BP & DSP30B/BP)  

 

In some situations, hearing protection might be warranted.   

 

See NFPA 72 for other possible requirements where the system being tested is an 
Emergency Communications System (ECS). 

 
 

INSTRUCTIONS TO MEASURE INTELLIGIBILITY (OPT STIcis): 

USING TALKBOX AND PUSH TO TALK FEATURE  

WITHOUT COMPUTER 

1.  Insert PA system microphone into Talkbox holder facing the speaker 
2.  Position the Talkbox loudspeaker at the normal mouth to microphone distance. 

NOTE:

 proper microphone to mouth distance should be 1 inch.(

See ANNEX D of NFPA72-

 

2010 for additional set-up information) 

3.  Play the STI-PA CD with the Talkbox  
4.  Insert analyzer microphone into the meter and turn on (will display the SPL dBA). Place 

the tip of the DSP2B/BP microphone 1 meter or approximately 39 inches from the 
Talkbox, facing directly at the  loudspeaker and adjust the Talkbox level to 65dBA.SPL 

5.  Place meter microphone in the area to be measured at expected ear level. 
6.  To make an intelligibility test, set the Analyzer to the intelligibility mode by pressing the 

(MODE SELECTOR) on the bottom of the analyzer, until the CIS LED is lit.  If your 
specification provides for STI, rather than CIS, depress the Mode Selector until the STI 
LED is lit.  

7.  To start the test Press the 

[TEST]

 Button. Test results will display in 15 seconds 

8. If 

“Err”

 is displayed, press the 

[dBA] 

Button and repeat from step 8 as reliable data 

could not be collected. 

NOTE: 

In the event of an STI failure, possible reasons may include; An unfurnished room under   

 

test will produce a significantly lower STI value since the large flat reflective surfaces 

 

will add echoes and the lack of absorptive materials will also increase RT60 times and 

 

reduce the STI value further. 

9.   If the “BAT” symbol is shown, replace batteries.  

 

 
 
 
 
 
 
 

Содержание DSP2B

Страница 1: ...1 GOLD LINE CONNECTOR 203 938 2588 WWW GOLD LINE COM MODEL DSP2B INTELLIGIBILITY METER MODEL DSP2BP INTELLIGIBILITY PRIVACY METER OPTCVOW PLATINUM SOFTWARE USER S MANUAL Revision date M_DSP2 11K3...

Страница 2: ...tware overview 9 Directions for installing OPTCVOW Platinum software on computer 10 Directions for connecting DSP2B BP to the computer 10 Instructions to measure intelligibility using Talkbox and push...

Страница 3: ...ts with CVOW PLATINUM software 18 Creating detailed reports using CVOW PLATINUM software 18 Creating combined reports using CVOW PLATINUM software 19 Editing file manager information 19 Evaluating Int...

Страница 4: ...ted that any measurements are actually predictions of voice intelligibility Subject based test methods can gauge how much of the spoken information is correctly understood by a person or group of pers...

Страница 5: ...ility and the Fire Alarm Code NFPA 72 National Fire Alarm and Signaling Code NFPA Batterymarch Park Quincy MA uses the term Emergency Communications System ECS to describe emergency audio systems Subc...

Страница 6: ...cannot understand the content By doing so it predicts when various degrees of privacy have been achieved Model DSP2B is a dedicated meter to measure Speech Intelligibility using OPT STICis intelligibi...

Страница 7: ...Insert analyzer microphone into the meter and turn on will display the SPL dBA Place the tip of the DSP2B BP microphone 1 meter or approximately 39 inches from the Talkbox facing directly at the louds...

Страница 8: ...he same location that you made the previous SPL measurement with the DSP2B BP and check the SPL again 12 Match the SPL level to your previous reading by either adjusting the Volume control on the Talk...

Страница 9: ...can be tested with the use of the supplied Gold Line STI PA Test Tone CD and the push of 1 button while walking around the location that is being tested The optional DSP2BP is capable of measuring pr...

Страница 10: ...screen is flashing click on the FILE button on the top of your computer screen Scroll down and click on SELECT COM PORT 8 Click on correct COM PORT and then click on HIDE 9 The computer screen will s...

Страница 11: ...ation with the STI PA TONE 13 The screen on the left of the computer screen will show you your MODULATION TRANSFER FUNCTIONS and your MEASURED STI SCORE NOTE In the event of an STI failure possible re...

Страница 12: ...for each test remain the same for the OCCUPIED ROOM TEST NOTE You do not need the Talkbox for the OCCUPIED ROOM TEST NOTE In the event of an STI failure possible reasons may include An unfurnished ro...

Страница 13: ...Talkbox start the CD player with the STI PA TONE 14 On the computer press the MEASURE BUTTON again to collect information with the STI PA TONE 15 The box on the left of the computer screen will show...

Страница 14: ...n the room 14 On the Talkbox start the CD player with the STI PA TONE 15 On the computer press the MEASURE BUTTON again to collect information with the STI PA TONE 16 To save the information for the E...

Страница 15: ...8 The screen will now read a STI score As long as your score is at least 93 STI your systems CD player is accurate enough for speech intelligibility testing 9 Proceed to each of your test zones withi...

Страница 16: ...ch test remain the same for the OCCUPIED ROOM TEST 17 NOTE You do not need the STI PA TONE for the OCCUPIED ROOM TEST NOTE In the event of an STI failure possible reasons may include An unfurnished ro...

Страница 17: ...EXAMPLE STAIRS NOTES EXAMPLE TOP OF STAIRS FACING DOWN NOTE Gold Lines recommendation for saving files is first create a folder named as the company taking the measurements Then create a sub folder wi...

Страница 18: ...f the Detailed Report click on REPORT HEADER fields at the top of the file manager and type in the required information EXAMPLE line 1 Detailed STI REPORT FOR CITI BANK line 2 JOB NUMBER 1234 DATE JAN...

Страница 19: ...o customize the title of the Combined Report click on REPORT HEADER fields at the top of the file manager and type in the required information EXAMPLE line 1 COMBINED STI REPORT FOR CITI BANK line 2 J...

Страница 20: ...joining room etc 5 To make a PI test set the DSP2BP to the PI mode by pressing the MODE SELECTOR on the bottom of the analyzer until the PI LED is lit 6 To start the test Press the TEST Button Test re...

Страница 21: ...tions However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determ...

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