Test Function
Testing procedure 61
2Enter the following AT commands to select the local/analog/
loopback test:
AT&T1
You are now in the online state.
3Enter characters from the keyboard as desired.
The characters you enter should be displayed on the screen.
4Enter the escape code as follows to return to the command
state from the online state.
+++
Receive OK.
5Enter the following AT commands to terminate the test:
AT&T0
Receive OK.