Lexicon PCM 90 - REV 1 User Manual page 10

The PCM 90 gives you a unique set of tempo controls.Tempos can be tapped
Tempo Control
in with the front panel Tap button (or an assigned controller) or "dialed-in", in
BPM (beats per minute) on the display. The PCM 90 also lets you generate MIDI
clock from your tempo, as well as receive MIDI tempo from an external
sequencer or drum machine. In the PCM 90, tempo can control LFO speeds and
Time Switch controls, as well as all delay parameters, ensuring that all of your
modulations are in tempo with your music. You can even set independent
rhythmic values for different parameters within a single program.
Tempo can be set and displayed in either rhythmic value or time values. Many
presets have delay times assigned to Tap tempo. Try loading some of these and
pressing Tap twice in rhythm to change tempo.
Editing
An enormous range of editing control is provided for each algorithm, with
parameters organized in an edit matrix. In addition to providing this powerful
sound design capability, the PCM 90 also allows you to customize these controls
for your day-to-day editing needs, or to use a subset of controls specially
designed for each preset.
The PCM 90 has two levels of Edit Mode control called Go mode and Pro mode.
In Go mode, the most useful parameters within an effect are grouped for instant
access via the front panel Edit button. Parameters can even be grouped for
control by a single master control. These master parameters, called Custom
Controls, can be labeled with names that describe their function. Each preset
has a specially selected set of Go mode parameters which let you make value
changes to the effect without losing the character of the sound. Pro mode gives
you access to the full parameter editing matrix for the algorithm of any loaded
effect when you press Edit. In this mode, you can access a complete set of
Modulation and Patching parameters, create your own ADJUST knob patch,
create Custom Controls, and assign your own Go mode parameters.
A unique Patching and Modulation system provides unprecedented control over
your effects, with a versatile set of internal modulators: two LFOs, AR Envelope,
Envelope Follower, Latch and Time Switches, MIDI Delay and Sample and Hold.
These allow you to create modulation sweeps which move in time with music,
or animated effects. You can create as many as 10 patches per effect, each with
as many as 8 pivot points. You can patch multiple parameters to a single
controller, or patch multiple sources to a single destination.
User Interface
For all of its programming power and flexibility, you'll find the PCM 90 simple to
use. The large, 2-line fluorescent display is easy to see from any angle whether
the surroundings are bright or dark. Separate SELECT and ADJUST knobs
make program loading and editing quick and easy. We've even designed in a
special Info mode — press and hold any button to find out what its function is,
or to get status information such as the name of the running effect, current tempo
rate, etc.
To get the most out of the PCM 90, we suggest that you invest the time to explore
this manual. We think you'll agree that the time spent investigating will reward
you with enjoyment of its full capabilities.