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IBM 4820 - Connector Pinouts; USB Power Voltage; USB Power and Voltage; Customizing the Touch Sound

IBM 4820
124 pages
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Customizing
the
touch
sound
If
you
enable
the
touch
sound,
you
can
customize
the
frequency,
or
pitch,
and
duration
of
the
touch
sound.
To
customize
the
touch
sound:
v
Select
the
Special
tab
to
access
the
Custom
Touch
Sound
options.
v
Click
the
right
and
left
arrows
to
change
the
frequency,
or
pitch,
and
duration
of
the
touch
sound.
The
range
of
settings
are
as
follows:
–
Frequency:
200
to
5000
Hz
in
10
Hz
increments;
the
default
is
1500
Hz
–
Duration:
50
to
600
mx
in
10
mx
increments;
the
default
is
200
mx
Connector
pinouts
This
section
describes
the
connector
pinouts.
USB
power
voltage
The
powered
USB
cable
should
provide
approximately
12
volts
DC
to
the
4820
SurePoint
Solution.
Table
11-3
describes
the
pins
and
provides
an
example
of
the
USB
cable.
Table
11-3.
USB
Power
and
Voltage
Pin
DC
Voltage
Example
1
4.75
to
5.25
V
Pin 4
Pin 5
Pin 6
Pin 3
Pin 2
Pin 1
2,
3
Data
4,
5
Ground
6
10.8
to
12.6
V
Chapter
11.
System
diagnostics
and
pinout
connections
11-5

Table of Contents

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