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5. In the HyperTerminal terminal window, type AT&&S and press EN-
TER. This command causes input from the microphone to be
looped back to the speaker.
6. Speak into the microphone; you should hear your voice on the
speaker or headphone.
7. Type ATZ and press ENTER to reset the modem.
Speakerphone Test
1. Connect a microphone and speaker to the MT5634ZBAV.
2. Select Start, point to Programs, point to Accessories, and click
HyperTerminal.
3. Double-click on the Multi-Tech BBS icon you created in “Step 5:
Call the Multi-Tech BBS.” HyperTerminal starts with the Connect
dialog box open.
4. Click Cancel in the Connect dialog box.
5. In the HyperTerminal terminal window, type
AT+FCLASS=8
AT+VLS=7
ATDT
xxxxxxx
(for
xxxxxxx
substitute a telephone number)
6. Speak into the microphone to talk to the person on the other end of
the line, and listen over the speaker.
7. Type +++ATH and press ENTER to hang up.
8. Type ATZ and press ENTER to reset the modem.