DOEPFER A-100CGK Gebruikershandleiding - Pagina 10
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Pagina afdrukkenConfiguration Mode: Adjustment of basic parameters
Remark: If you have ordered the A-100CGK with metal case and 4 octaves
keyboard, and want to use it in combination with the A-100 system it is not necessary
to call up the configuration mode as the factory settings are chosen exactly for this
application – unless you want to change the transpose type.
Additional basic parameters are adjusted in a special configuration mode and
include parameters that are normally fixed, i.e. they are not changed during the play.
The configuration mode is selected if the up or down button is held down during
power on. The configuration mode is indicated by CoF in the display. In addition all
LEDs light up. To adjust a parameter the corresponding menu button has to be
operated. Then the corresponding LED turns off while all other LEDs remain on (i.e.
inverse LED display compared to the normal mode). The up/down buttons are used
to increase/decrease the value of the currently selected parameter. To exit a menu
another menu button has to be pressed. The four menu buttons are assigned to
these basic parameters:
MODE
This configuration menu is used to adjust the number of octaves of the keyboard. For
the standard version with metal case and 4 octaves keyboard the value has to be set
to 4 (factory setting). For the OEM version the corresponding octave length has to be
chosen: 2, 3, 4 or 5. This adjustment is necessary to select the correct note offset
and to limit the transpose range for different keyboards.
The factory setting is 4.
TRANSP.
This configuration menu is used to select the type of transpose:
Oct
transpose in octave intervals (i.e. 12 semitones)
•
SEM
transpose in semitone intervals
•
The factory setting is Oct.
RETRIG.
This configuration menu is used to select the polarity of the gate signal:
POS
positive gate polarity
•
NEG
negative gate polarity
•
If positive polarity is chosen the gate socket outputs a positive voltage when a key is
pressed. The gate voltage turns to 0V when no key is operated. If negative polarity is
selected the behaviour is the opposite, i.e. 0V when a key is operated and a positive
voltage when no key is pressed. The A-100 and most of other synthesizers or
systems work with positive gate polarity. Some synthesizers or systems (e.g. Moog)
require a negative polarity. If the device connected to the A-100CGK works opposite
(i.e. the sound disappears when a key is pressed and is triggered if a key is released)
the gate polarity has to be changed.
In addition the gate voltage depends upon the internal jumper setting (+5V, supply
voltage or S-Trig). As the case has to be opened for this the procedure should be
carried out by a specialized company only. The jumper for the gate voltage is located
just behind the gate socket. It can be installed in two different positions:
towards the 9 pin sub-D socket
•
towards the transistor
•
gate voltage = supply voltage (e.g. +9V)
gate voltage = +5V