Doepfer Pocket Dial (device no longer available) - Manual (Page 6)

Page 6
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User's Guide
Connections
Pocket Dial - Rear View
Power Supply
The Pocket Dial does not have a built-in power supply. Instead it uses a plug-in type external power
supply (DC adapter). The connector is labelled 9V DC 100mA. The primary reason for this feature is the
fact that line voltages and plug types vary considerably from country to country. Using a plug-in external
supply the Pocket Dial can be used anywhere with a locally purchased power supply, thus keeping the
cost down.The Pocket Dial is switched ON by plugging the supplied AC adapter into a wall outlet and
connecting it to the appropriate jack on the back of the case. There is no separate ON/OFF switch. The
Pocket Dial includes an AC adapter for 230V mains supply with a European type mains plug. We
recommend to use only the power supply that is supplied together with the Pocket
Dial.
In countries with different mains plug types or voltages a suitable power supply
has to be purchased locally by the user. The power supply must be able to deliver
a voltage of 7V to 12V (not stabilized), as well as a minimum current of 100mA.
The connection polarity is positive inner (see the sketch near the power supply
socket). Although the Pocket Dial has a built in protection diode for protection
against incorrect polarity, the Pocket Dial can still be damaged by using an
incorrect adaptor, so only use an approved adaptor and avoid using multi-polarity
type adaptors with voltage level and polarity switching, as inadvertant settings can
cause problems.
MIDI
Connect the MIDI OUT of the Pocket Dial to the MIDI IN of the device
controlled by Pocket Dial (e.g. software synthesizer, sound generator,
sequencer). At this output appear the MIDI data generated by Pocket
Dial. If the MIDI input is wired too the Pocket Dial merges the
incoming data with it’s own data, so the MIDI OUT is a data merge of
MIDI IN and data generated by the Pocket Dial. There is no use for a
separate MIDI thru with this type of device. If incoming MIDI data do
not appear at the MIDI probably the MIDI Thru is switched off (only
possible by the editor software). In this case the Pocket Dial has to be
reprogrammed using the editor program with MIDI Thru switched On !
The connection of the MIDI IN socket is required only in these
cases:
•
For data feedback to set the new starting values after a preset
change of the device controlled by Pocket Dial if absolute
MIDI control data are used (e.g. MIDI controllers)
•
To merge any MIDI data (e.g. from a keyboard) with the data
generated by Pocket Dial
•
To change the selected preset of Pocket Dial with incoming
MIDI Program Change messages from another MIDI device
•
To program the presets of Pocket Dial with an editor program
(e.g. the free editor for PC or the Sounddiver)
•
To change some basic parameters of the Pocket Dial with
an editor program (e.g. the MIDI Thru on/off option)