U8655
Maintenance Manual
11 Functional Tests
Issue 1.0 (2012-02-23)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
66
No.
Category
Item
Test Method
14
Mobile phone
mic loopback
test
Main microphone
(located near the USB
port)
Do not insert the headset. Touch the Record button.
Speak to the main microphone, and then touch the Play
button. If the main microphone is normal, you can hear
the voice recording from the receiver.
Press the Volume– key to start the next test.
15
Mobile phone
loopback test
Secondary microphone
(located above the
camera at the phone's
rear)
Do not insert the headset. Touch the Record button.
Speak to the secondary microphone, and then touch the
Play button. If the secondary microphone is normal, you
can hear the voice recording from the receiver.
Press the Volume– key to start the next test.
16
Dual MIC test Main and secondary
microphones
Do not insert the headset. Touch the Record button.
Speak to the phone as you do during a call, and then
touch the Play button. If the main and secondary
microphones are normal, you can hear the voice
recording from the receiver.
Press the Volume– key to start the next test.
17
Mobile phone
Headset
loopback test
Headset
Insert the headset. Touch the Record button. Speak to the
headset microphone, and then touch the Play button. If
the headset is normal, you can hear the voice recording
from the headset's earphones.
Keep the headset inserted. Press the Volume– key to start
the next test.
18
FM test
FM test
The testing software will detect whether a headset is
inserted. If no headset is inserted, a message requesting a
headset to be inserted will be displayed. After a headset is
inserted, the phone will search for and play an FM
channel. Three frequencies (88 MHz, 98 MHz and 107
MHz) will be tested. The 88 MHZ frequency will be
tested first. To test the next frequency, touch
Next
Channel
.
Remove the headset. Press the Volume– key to start the
next test.
19
Headset Wire
control test
Headset button test
Insert the headset. The IN icon will turn green.
Press the headset button, and the round dot will become
smaller. Remove the headset, and the OUT icon will turn
green.
Press the Volume– key to start the next test.
20
Bluetooth test
Bluetooth test
Automatically test the Bluetooth functions.
During the test, the phone will search for Bluetooth
devices, and display the MAC addresses of the Bluetooth
devices that have been found. (Note: This test requires
another device with Bluetooth enabled.)
Press the Volume– key to start the next test.
