Telos Zephyr Xstream User Manual
Page 246

USER’S MANUAL
Section 11: THE WORKS – Detailed Menu Reference 234
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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 Transmit 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 ISDN 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 ISDN 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 menu 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 set to "On".