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Hardware installation
Drivers have to be installed before the Handyscope HS6 DIFF is connected
to the computer for the first time. See chapter
5.1
Power the instrument
The Handyscope HS6 DIFF is powered by the USB, no external power supply is
required. Only connect the Handyscope HS6 DIFF to a bus powered USB port,
otherwise it may not get enough power to operate properly.
5.1.1
External power
In certain cases, the Handyscope HS6 DIFF cannot get enough power from the
USB port. When a Handyscope HS6 DIFF is connected to a USB port, powering the
hardware will result in an inrush current higher than the nominal current. After
the inrush current, the current will stabilize at the nominal current.
USB ports have a maximum limit for both the inrush current peak and the nominal
current. When either of them is exceeded, the USB port will be switched off. As a
result, the connection to the Handyscope HS6 DIFF will be lost.
Most USB ports can supply enough current for the Handyscope HS6 DIFF to work
without an external power supply, but this is not always the case. Some (battery
operated) portable computers or (bus powered) USB hubs do not supply enough
current. The exact value at which the power is switched off, varies per USB con-
troller, so it is possible that the Handyscope HS6 DIFF functions properly on one
computer, but does not on another.
The Handyscope HS6 DIFF comes with a universal power supply, that can be con-
nected to a power outlet using the appropriate adapter. The 3.5 mm connector
attached to the power supply must be plugged into the power connector at the
rear of the Handyscope HS6 DIFF. Refer to paragraph
external power intput.
When the Arbitrary Waveform Generator is used, the power that the Handyscope
HS6 DIFF requires may strongly increase. It is recommended to use the external
power supply when the Handyscope HS6 DIFF Arbitrary Waveform Generator is
used.
5.2
Connect the instrument to the computer
After the new driver has been pre-installed (see chapter 4), the Handyscope HS6
DIFF can be connected to the computer. When the Handyscope HS6 DIFF is con-
nected to a USB port of the computer, Windows will detect new hardware.
Depending on the Windows version, a notification can be shown that new hard-
ware is found and that drivers will be installed. Once ready, Windows will report
that the driver is installed.
4
for more information.
8.1
for specifications of the
Hardware installation
5
23
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