Radio Shack FX2 User Manual download pdf (Page 27)

possible to explain to a potential user that

changing a value, which can be done on the

EPS itself within a fraction of a second,

needs 2 seconds when done by an external

computer. This is indeed the most serious

problem of all. For convenient editing,

processing SysEx commands must speed up

signiﬁcantly.

4. Effects parameters of the onboard effects

should be make editable via SysEx. (Exter

nal Command Speciﬁcation from October

4, 1990 doesn't mention any parameter

changes.)

Concerning the current 16 PLUS operating

system (1.1) I have encountered the follow

ing bugs (?):

1 . E v en if no in s tr u me n t i s s e l e c t e d o n t h e

front panel ("LOCAL OFF" state), patch

select buttons, mod and pitch wheels affect

the last selected instrument. This is espe

cially annoying when playing other sound

modules via a sequencer's MIDI THRU.

Sometimes selecting and deselecting an in

strument or pressing an instrument button

o f a t r a c k w h e r e n o i n s t r u m e n t i s l o a d e d

m a k e s t h e E P S w o r k i n t h e c o r r e c t m a n n e r

again.

2. The Data Entry slider's response is quite

inaccurate and slow.

3. Instruments made on the "old" EPS (i.e.,

the ESS-Library) often have an audible

"click" on key release, when the release

t i m e i s n e a r z e r o . A s t h i s i s n o t t h e c a s e

with the same instruments on the old EPS, it

must be a bug of the EPS-16 PLUS.

4. It is possible to assign different Wave-

samples overlapping key ranges in the

SAME layer (at least the display says so).

This should be made impossible since this

is internally (see Layer Map in SysEx and

audible result) not true.

Some suggestions for future OS releases.

1. Make it possible to read the complete OS

to memory at system startup so that no Sys

tem Disk access will be necessary during

operation.

2. To obtain Pressure response on white

keys, you have to apply quite a bit more

force than on black keys. This is probably

because the induction loops under the keys

are lined up straight and therefore do not

consider the different length of the keys.

T h i s s h o u l d b e t a k e n i n t o a c c o u nt w hen c al

culating the pressure value. It also would be

better to separate settings for velocity and

aftertouch sensitivity and give them an ex

tended value range (e.g., 0-99).

3. The Keyboard Version of the EPS-16

PLUS should respond to ALL NOTES OFF

a n d A C T I V E S E N S E c o m m a n d s .

3. The Hall Reverb program has an attack

with relatively high frequencies that sound

like a slightly delayed echo. Even if in

creasing the "Hi Freq. Damp" value, the

"echo" doesn't vanish. This effect (to my

ears) "smears" short sounds with a hard at

tack, like a cowbell. Perhaps you can

change this effect?

Yours sincerely.

Christian Roth

Schwabhausen, Germany

[CS - While I can't respond for Ensoniq, I

feel it should be pointed out that I have

used librarians and editors for all their

products, with great success. So it can't be

"nearly impossible" to create such software

- at least not so far as companies like Op

code, Digidesign, Passport Systems and so

on are concerned - because these products

work. And for the most part, they work

rather well.]

[Ensoniq - As Clark stated, "impossible" is

an unrealistic term, as many programmers

have created excellent software utilities for

our products with the same Sys Ex structure

that you are working with (Passport's Al

chemy, Opcode's Galaxy, Dr. T's X-Or and

others come to mind.)

As for your requests;

I) It's impossible to bypass the need to load

the overlays as this would involve a major

rewrite of the OS and increase the cost of

the unit because of the need for a markedly

larger OS ROM. Anyone looking to do ad

vanced editing and Sys Ex communication

should always leave the OS disk in the drive

because of this. As a programmer you

should be sure to clearly state this fact in

the documentation of your program.

2, 3 and 4) This is simply the way the

product is designed and can't easily be

changed. Thanks for the observations,

though.

"Bugs"

3) The output hardware on the EPS-16

PLUS is completely digital, with instan

taneous volume response as opposed to the

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Radio Shack FX2 User Manual Page 27

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