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Telos Zephyr Xstream Two-Way Radio User Manual

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USER’S MANUAL

Section 11: THE WORKS – Detailed Menu Reference 234

h

HOT TIP!

The AUTO Receive mode (in the CODEC menu) may not work in the ISDN loop mode

depending on the INTERFACE option selected (in the TEL menu).

Therefore, we suggest manually setting the Receive mode when performing tests with this

option.



Audio

Loopyourinput(analogorAESasthecasemaybe)toyouroutput.Youshould

hearyourownaudiowithoutanydelayorcodingartifacts.

ISDN

SendthedatacomingintheISDNlinebackoutthatinterface.Simultaneously,

itloopstheencoder'soutputtothedecoder’sinput.

IfyourTra

nsmitandReceiveCODECmenusettingsarecompatiblewitheach

other,youshouldreceiveyourownaudiobackwithadelayandquality

commensuratewiththemodeused.Thistestsapproximately70‐85%ofyour

Xstream'sfunctionality,andmakesaneasywaytoauditionthevariouscoding

algorithmswithoutanIS

DNlinepresent.

IfyouareconnectedtoanotherviaISDNorV.35andthatsite'sTransmitand

ReceiveCODECmenusettingsarecompatiblewitheachothertheyshould

receivetheirownaudiobackwithadelayandqualitycommensuratewiththe

modeused.



V.35

SendthedatacomingintheISD

Nlinebackoutthatinterface.ValidV.35clock

mustbepresentattheratesetforbitrateintheCODECmenu.

Timeout

Thisdetermineswhetherthesystemwillreturntothedefaultscreenaftera

periodofinactivity.Thedefaultsettingis"Yes"meaningthatthesystemwill

returntothedefaultme

nuafter120secondsofinactivity.

Ancillary

Theusualsettingforthisparameteris"On,"whichisthedefault.Intherare

caseofproblemscommunicatingwithanobscurecodec,youcantrysettingthis

"Off".WhencommunicatingwiththeZephyrXportthismustbese

tto"On".

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