Alto Verb, Руководство по обслуживанию

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Test Procedures for AlphaVerb
Amplitude response test
On PC:
-Load file: alfaverb_amplitude ( APWin File menu / Open / Test )
Test Connections:
- Output A of Audio Precision System Two --> LEFT input of the device under test.
- LEFT output of the device under test --> A input of Audio Precision System Two
- RIGHT output of the device under test --> B input of Audio Precision System Two
On the Alphaverb :
-Turn on the power switch.
-Set INPUT volume to maximum.
-Set OUTPUT volume to maximum.
-Set PROGRAM to
DELAY .
-Set VARIATION to 1.
Start the sweep (F9) and control the results (Page3 – Graph) in the following conditions:
-MIX potentiometer turned to 0.
-MIX potentiometer turned to 10.
Audio Precision 05/22/02 12:55:43
alfaverb_amplitude.at2c
Color Line Style Thick Data Axis
Cyan Solid 1 Anlr.Level A Left
Green Solid 1 Anlr.Level B Right
-10
+10
-7.5
-5
-2.5
+0
+2.5
+5
+7.5
d
B
V
-10
+10
-7.5
-5
-2.5
+0
+2.5
+5
+7.5
d
B
V
20 20k 50 100 200 500 1k 2k 5k 10k
Hz