Wersi Abacus, User Manual

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XG Sounds (Special Equipment)
Older OAS Instruments (Production Models During 2001-2004) were equipped with an XG-Soundcard, you can assign
these sounds as well as WERSI Longwave Sounds to any selector, you may also assign them to any track of a MIDI
file or Style accompaniment (Please note that any accompaniments modified with XG sounds can only be played back
on OAS instruments equipped with the XG-Sound Card).
IMPORTANT: All new OAS instruments and all OAS instruments manufactured post 2004 do not have an XG
Sound Card as the new OAS 7 Longwave & Advanced sound library is superior in sound quality and therefore
the XG sounds are redundant. We advise all customers who purchased their instruments post 2004 to disre-
gard any details relating to XG-Sounds. The information is only included to cover all details of the entire OAS
instrument range from the past ten years.
AKAI Sounds
The WERSI OAS instrument range is the only instrument sophisticated to allow users to load the AKAI Sound Sample
library. There are literally thousands of sample libraries available via third parties that will work with your OAS instru -
ment. At the turn of the Millennium it was estimated that AKAI had the largest sample library in the world!
PLEASE NOTE: OAS is compatible with all AKAI S-1000, S-2000 & S-3000 Sample Libraries.
Internal MIDI Sounds
Windows Sounds in the OAS system allow you to use internal programs that may be installed on your instrument.
These are not real sounds, but internal MIDI sounds. You can assign these sounds to the Selectors in the same way
that you would a normal sound.
External Sounds
MIDI Sounds are not real sounds, but rather MIDI-Information which can be interpreted by other programs that may
be installed on your instrument. You can connect your OAS instrument to external instruments, DAWs (Digital Audio
Workstations), MIDI expanders etc. You can assign the MIDI sounds to Selectors in the same way as a normal sound.
VST Sounds
The most modern musical instrument application is called VST (Virtual Instruments). WERSI OAS instruments allow
you to use up to four VST’s at any one time. Naturally you can have many different VST instruments installed and you
can combine the different VST instruments together.
The VST library is growing and Software developers such as Native Instruments for example have developed some
very exciting and sophisticated instruments. Virtual Real Steinway Pianos, Virtual Studio Drummers are just an ex -
ample of what can be achieved with VST.
PLEASE NOTE: If you wish to use VST instruments, please consult WERSI to ensure that they are a recom-
mended or certified VST that is safe to use with the OAS Operating System. Loading of any VST without
checking and affecting the OAS drivers or altering the OAS program architecture could void your warranty.
RAM REQUIREMENTS: We recommend for users wishing to use 4 VST instruments that they have the maxi-
mum RAM chips installed. All new OAS instruments come with 2GB of RAM as standard, older instruments
may need topping up.
WERSI DIRECT Recommend 4GB of RAM for optimum performance when using the powerful VST feature.