Af M Easu Remen T S C On F Ig Ura Ti On T Ile; Fig . 3 -1 5; Fig . 3 -1 6; Fig . 3 -1 7 - Viavi 3900 Series Operation Manual

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7.4.2

AF M easu remen t s C on f ig ura ti on T ile

Th e AF M e as ur em e nts C on fig ur atio n Tile d efi ne s p ar am e ter s u se d to m ea su re au dio
sig na ls .
7. 4. 2. A
Fi el d / So ft Key Defi ni ti o ns
7. 4. 2. A. 1
M IC P h an tom P o w er
Th e M IC /AC C C o nn ec to r pr ov ide s a p ow e r s ou rce fo r c on d en se r m ic rop h on es . T he M ic
Ph a nto m P ow e r d rop -d ow n m en u tur ns th e p ow e r s ou rc e fo r t he co nd e ns er m icro ph o ne
O n o r O ff .
7. 4. 2. A. 2
Fi l ter
Se le cts ty pe of filte r to b e in c lud ed in th e s ign a l pa th .
7. 4. 2. A. 3
P so ph Fi l ter
Ps o ph Fi lter m en u se lec ts w h et he r th e CM E S S or the C C ITT P so p ho m etr ic w e igh tin g
filte r a re us ed w he n the P so ph filte r is se le cte d fro m an y o f th e Filt er s el ec tion d rop -d ow n
m en us . Ps op h filte rs a re ty pic ally u se d fo r SIN A D m e as ur em e nts , eith er D e m od o r A u dio .
7. 4. 2. A. 4
300 H z F i l ter T yp e
Se le cts ty pe of 30 0 Hz filt er to b e inc lud e d in th e sig na l p ath .
S tan da rd : H igh p as s 3 00 H z Lo w -Q Fi lter
S ha rp: H igh pa ss 3 00 H z h ig h-Q F ilte r
7. 4. 2. A. 5
Hu m & Noi se Refer en ce L eve l
Se ts R efe re nc e Le ve l fo r H um & N o ise m e as ure m en ts .
7. 4. 2. A. 6
Lo u ds pea ker
Th e Lo ud sp e ak er m en u s el ec ts t he sig n al s en t to th e inte rn al lou d sp ea ke r.
7. 4. 2. A. 7
I nt L oad
Se le cts e ithe r th e 10 kO h m o r 6 00 O hm in te rn al lo a d to b e a p plie d at t he A ud io 1 o r A ud io
2 Inp ut .
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A n al og D up le x S y st em
Fig . 7 -4 A F M e a su rem e nt s C o nfig u rat ion T ile
7 - 5

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