Vox valvetronix amp vt15 ユーザーズマニュアル

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The VT15/30 contains three preset programs – basic, effected, and song – for each of
its amp models (giving you a total of 66 programs). You can select these simply by
switching the VT15/30 to Preset mode and using the [AMP] selector.
There are also eight channel programs (user programs) that you are free to rewrite;
use the [BANK] switch and [CHANNEL] switches or foot switch to switch between
these.

In Preset mode you can use the [AMP] switch/selector to recall programs for each
amp model: “basic” programs containing typical sounds for that amp model, “ef-
fected” preset programs, and “song” preset programs that replicate tones from hit
songs. Each program will automatically switch the settings for GAIN, VOLUME,
TREBLE, MIDDLE, BASS, and effects.

If the PRESET LED is dark, you’re not in Preset mode. Press the [PRESET] switch; the
PRESET LED will light, and you’ll be in Preset mode.

With the PRESET LED lit, operate the [AMP] switch/selector. The preset program
specified for each amp model will be selected, regardless of the position of the top
panel control knobs or [EFFECTS] selector.

 Each of the twenty-two amp models contain three preset programs:

“basic,” “effected,” and “song” (a total of sixty-six programs). In preset mode,
pressing the [PRESET] switch will make the PRESET LED cycle through green,
orange, and red, switching between preset programs P1:Basic, P2:Effected, and
P3:Song. The song presets recall programs that reproduce the tones of hit songs
played by famous guitarists. For details on the hit songs that are programmed
for each amp model, refer to the table at end of this owner’s manual.

When the VT15/30 is in Manual mode, it will behave like a conventional guitar amp.
In other words, the sound will reflect the actual position of all the top panel selectors
and control knobs (except for the [EDIT] knob).