Bose AmPlus 50 Supplement Manual page 27

TEST PROCEDURES
4.11 Repeat these tests with the input at
Channel 2 and the output level measured
at Channel 1.
5. Music Input to Amplifier Output Tests
Note: These tests will check the perfor-
mance of the music paths of the Opti-
Voice ® Page Option Card, as well as the
page override feature.
5.1 Set up the AmPlus™ 100 Amplifier and
the Opti-Voice Page Option Card as listed
in the Test Setup Notes.
5.2 Place switches S1 and S2 to the 0 dB
position.
5.3 Place switch S6 positions 1 and 4 to the
ENABLE position. This will enable Page 1
and 2.
5.4 Apply a 100 mVrms, 1 kHz signal to the
AmPlus 100 Amplifier Channel 1 inputs at
J1.
5.5 Connect the output of the AmPlus
100 Amplifier at J6 to an Oscilloscope.
Verify that a clean sine wave is displayed
on the Oscilloscope.
5.6 Apply a 20 mVrms, 5 kHz signal to the
Channel 1 Page input at J1 of the Opti-
Voice Page Option Card. This will simulate
a page input.
5.7 On the Oscilloscope, you should see
the output change from a 1 kHz signal to a
5 kHz signal, and the Page 1 trigger LED
on the faceplate of the Opti-Voice Page
Option Card should light.
5.8 Remove the 5 kHz input to the Opti-
Voice Page Option Card. The Channel 1
output at J6 of the AmPlus 100 Amplifier
should return to it's previous level in
approximately 5 seconds.
5.9 Repeat these tests for Channel 2.
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