
Test Instructions (mech)
1246-9251
Rev 1
©
Sony Ericsson Mobile Communications AB – Company Internal
16(17)
Tests
2.4 Network
Test
This test can only be performed if the phone has got an activated SIM/USIM card (no Test
SIM/USIM) and an available network signal!
There are two versions of the test depending on whether a UMTS network is available or not!
If a UMTS network is available, the network test has to be done separately for GSM and UMTS!
2.4.1 On-the-air call to mobile (no UMTS network available)
To verify the radio functions (GSM) of the phone, follow the ‘2.4.1.1 Procedure’ below
2.4.1.1 Procedure
1. Set up a call from a landline phone (PSTN)
2. Check that the ring signal goes on
3. Check that the display backlight illuminates
4. Answer the call and check the sound quality in both
phones
5. Adjust the volume up and down with the side key and
verify that the sound level is altered
6. End the call and check that the elapsed time is displayed
and that the termination is done in a proper way
Sony Ericsson
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2.4.2 On-the-air call to mobile (UMTS network available)
Not Applicable