Yamaha DSP-A595a Service Manual - Page 15

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No.6 DISPLAY CHECK
Check program for FL display. The display status will change as follows with submenu operation. The signal is
processed with EFFECT OFF.
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Initial display
All segments are turned on and off to detect defects in the FL driver and FL display segments. Then the FL driver
operation is checked by the dimmer control.
Finally, all segments are turned on and off alternately (in lattice form), to check for a short-circuit between adjacent
segments.
No.7 MANUAL TEST
The noise generator built into the DSP outputs test noise from the channel specified by the submenu.
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No.8 FACTORY PRESET
The initialization of the back-up RAM, which contains effect level, DSP program, set menu contents, etc. is reserved
or inhibited. The Signal is processed with EFFECT OFF.
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DISP CHECK
All segments turn off
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Release date display
TEST ALL
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TEST MAINR
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TEST LFE
1. INHIBIT:
PRESET INH
2. RESERVED: Reserve to initialization of the back-up RAM.
PRESET RES
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All segments turn on
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Segments light in lattice form
TEST MAINL
TEST REARR
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Inhibits initialization of the back-up RAM.
Specify this option protect user set Values.
(The RAM is actually initialized when power
is turned on next time.) Specify this option
at the factory preset or to reset the RAM.
For the contents of the initialization, see page 18.
The protection data is also reset.
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TEST CNTR
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TEST REARL
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