Utility
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TDS3000B Serie s User Manual
RS-232 Troubleshooting. If you are having difficulties with RS-232
communication, try the following remedies:
H Veri fy that you are using the correct RS-232 cable and adapters.
Most compute rs require a null -mode m c onnec tion to the
oscilloscope. Most printers require a straight-through connec tion
to the oscilloscope.
H Verify that the RS-232 cable is connected to the correct port on
your computer or hard copy device.
H Reset the RS-232 para meters to defaults and then set the baud
rate to match the computer or hard copy devi ce. The defa ult
settings (except baud rate) are standard on most computers and
hard copy devices.
H Enable the debug window to see the RS-232 status, errors, data
transmitted, and data received.
GPIB Guidelines. Follow these guidelines when you connect your
oscilloscope to a GPIB network:
H Turn off the oscilloscope and all external devices before
connecting the oscilloscope to the GPIB network.
H Assign a unique device address to the oscilloscope. Two devices
cannot share the same device address.
H Turn on at le ast two-thirds of the GPIB devices while using the
network.
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