Bose SoundTouch 20 Series III - Page 36

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AUDIO TEST PROCEDURES
Equipment Required: Audio Signal Generator
1. Air Leak Test
1.1 Apply a 125 mVrms, 80 Hz signal generator
to the AUX input.
1.2 Select AUX and set the volume to MAX.
1.3 Listen for air leaks around all the cabinet
seams, joints, and wire harness through-holes.
PASS if no audible air leaks can be heard at
a distance of less than 1ft (0.3M) from any
exterior surface of the enclosure.
FAIL if any air leaks can be heard at a distance
less than 1ft (0.3M) from any exterior surface of
the enclosure.
2. Frequency Sweep Test
2.1 Apply a 85 mVrms, 40 Hz signal to the AUX
input.
2.2 Select AUX and set the volume to MAX.
2.3 Sweep the signal generator from 40 Hz
- 100 Hz. 5 second sweep up and 5 second
sweep down.
2.4 Apply a 20 mVrms 100 Hz signal to the
AUX input.
2.5 Sweep the signal generator from 100 Hz - 5
kHz. 5 second sweep up and 5 second sweep
down.
2.6 Listen for any extraneous noises such as
buzzes, rattles, ticks, and distortion.
PASS if no noise can be heard at a distance of
less than 1ft (0.3M).
FAIL if any noise can be heard at a distance
less than 1ft (0.3M).
3. Left / Right Channel Test
3.1 Apply a 60 mVrms, 300 Hz signal generator
to the LEFT AUX input.
3.2 Listen for audio from the left channel.
3.3 Apply a 60 mVrms, 500 Hz signal generator
to the RIGHT AUX input
3.4 Listen for audio from the right channel
reconnect the right channel.
4. Bluetooth
®
Function Test
Equipment Required:
Bluetooth device with A2DP, such as an
Iphone
®
(Advanced Audio Distribution Prole)
4.1 Press the Bluetooth button on the unit until
“Ready to pair” is displayed.
4.3 Set your Bluetooth device to discoverable
so it can discover the Bose SoundTouch
®
Speaker.
4.4 From the Bluetooth device list, select the
device named “Bose SoundTouch”.
Note: If you are prompted for a passcode, enter
0000.
4.5 Play a familiar audio track from the
Bluetooth device.
4.6 Listen for a clean undistorted sound with no
audio drop outs.