2201R Mobile Tester User Guide
Chapter 3 Performing manual tests and measurements in GSM mode
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9. You can now perform transmitter and receiver measurements if you like.
10. If you are testing a mobile phone (as opposed to a wireless data card) you may now perform a qualitative audio
test by speaking into the microphone and listening to the audio in the receiver because the 2201R loops the
voice signal back to the phone.
11. Release the call either on the phone or on the 2201R (using the BS Release soft key).