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Appendix C: Troubleshooting
ANDROMEDA A6 REFERENCE MANUAL 265
TROUBLESHOOTING
THE AUTO-TUNE DISPLAY
The basics of AUTO TUNE were covered in Chapter 1: pressing the button twice
initiates a software routine that will automatically tune every circuit in the
Andromeda that is subject to thermal drift. Ideally, you won't have to worry about
the details of Auto Tune… simply press it twice every time you turn on the unit.
But if something still sounds out of tune on several different Programs after
performing a complete Auto Tune, the Auto Tune display may be able to show you
what's wrong so you can temporarily overcome the problem by turning off a
malfunctioning voice.
TIPS AND TRICKS ABOUT TUNING
If AUTO TUNE was last pressed when the A6 was warmed up, in most cases the unit
won't fall out of tune from a short power on-off. Even if it does drift a bit, it will
likely drift back into tune when the temperature returns to the old level, without
having to press
AUTO TUNE again.
If you don't have enough time to wait through an entire Auto Tune, you may be able
to get most of the benefits of a complete Auto Tune routine by tuning the oscillators
only. Press soft button
4 (OSCFRQ) twice. (See below.)
Background Tuning constantly monitors unused oscillators and tunes them. It must
wait for a voice to become inactive to tune it. Once the A6’s temperature stabilizes,
you can turn this off if you wish and let Temperature Tuning take care of tuning.
Temperature Tuning can tune voices even when they are playing by monitoring the
temperature of the hardware and adjusting the tuning accordingly.
If you plan on making a Program or Mix that will be used on a different Andromeda,
it's particularly important to make sure the unit is in tune before you make final
adjustments and store the Program; otherwise it may sound very different on
another unit.
Auto Tune Parameters
The Auto Tune display is different from other displays in that soft buttons 2 - 6 pull
up the page with the first press, and start the specific tuning process with the second
press.
SOFT KNOB
PAGE TAB
1 2 3 4 5 6 7 8
TUNE MASTER BKTUNE TMPTUN
AUTO VOICE BAND
VCACAL VOICE BAND
OSCFRQ VOICE BAND
OSCPW VOICE BAND
FILFRQ VOICE BAND