Other Functions; Position And Offset - Tektronix 11A34 User Reference Supplement

Other Functions

their operation is described in detail in Section 2, Operating Information, of the
informationabout operatingthe llA34.
Function

Position and Offset

The 11301 and 11302 osci~oscopes assign position control to the Left
knob by pressing the VERTICAL MS button. The Vertical Position control
moves the trace as a user convenience. For example, when displaying multiple
channels it may be desirable to set ground references for each trace on separate
The offset function, accessed by pressing the VERTICAL OFFSET button,
subtracts a predsion voltage from the 'input signal. Changing offset mattes the
subsequently changed, the effect is different
Changing the sensitivily
around some - level kg., two divisions above graticule center) set by the
Position control. When using a sensitivity that makes the displayed waveform
interest to the screen location established by the Position control.
The Position control has a range of plus and minus four divisions from
center, but the Offzut con!rol has a range defmed in volts. Of&t can be as much
as loo0 divisions at 1 mV/division. The Offset control range is
sensitivities from 100 mV to 995 mV/division. For ~~@+&es from 1 volt to 10
2 - 2
the 11301 or11302mainframe,and
Functions And Where They Are Desa-ibed
Waveform Acquisition: Vertical Menu;
or for X-Y Display: Horizontal Menu.
Waveform Acquisition: VerticaI Menu.
Acquisition: Waveform Menu.
Trigger Source Major Menu and Polarity
However, if the deflection factor is
control.
increase
but
Control
volt for all
one