26
JAN.2006
11.NOISE Test
fig.lcd-t21-noise
1. Perform measurement of residual noise with a AC voltmeter.
Measure residual noise for OUTPUT-L and OUTPUT-R.
When measuring residual noise at OUTPUT-L, be sure to insert a
dummy plug into OUTPUT-R.
2. Turn the [VOLUME] control on the E-09 clockwise all the way.
3. Set the input filter for the AC voltmeter to “DIN-AUDIO”.
4. Make sure the value is “-82.0 dBm” or lower.
5. Pressing the [TEMPO + / YES] button proceeds to the next test.
12.Factory Reset
fig.lcd-t22-factory
1. Pressing [TEMPO + / YES] button executes a “Factory
Reset.” (Never switch off the power while “KEEP POWER ON !” is displayed
on the screen.)
The factory reset is completed within several seconds.
2. When no factory reset is to be performed, pressing the
[TEMPO - / NO] button returns operation to “11.NOISE Test”.
fig.lcd-t23-comp
3. The operation is finished when this screen appears.
Switch off the power.
Test Mode END
NOISE Test
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