Adjustment Procedures
TDS3000C Series S ervice Manual
3-3
Signal Connections
The adjustment procedure requires three types of equipment setups if you are
adjusting a four-channel oscilloscope, or four types if you are adjusting a
two-channel oscilloscope. For each step of the procedure, the oscilloscope
display indicates which setup is the correct one to use. The equipment setups are
described below.
The first adjustment procedures require a DC voltage (or zero volts) applied
simultaneously to all instrument channels. A typical on-screen instruction might
read:
Apply 0.0000 V DC signal to all channels.
When you see an instruction similar to this, connect the oscilloscope to the DC
voltage source to all the channels as shown below and then set the DC voltage to
the specified value.
DC voltage
source
BNC tees
Four-channel oscilloscope
Equal-length
BNC cables
DC voltage
source
BNC tee
Two-channel oscilloscope
Equal-length
BNC cables
Applying DC Voltage to
Input Channels
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