Horizontal System Interface; Hori Menu / Menu - Tenma 72-2650 Operating Manual

to expansion or contraction of the waveforms relative to the
screen centre. When the horizontal position changes, the
position relative to waveform trigger point will be changed.
The horizontal system can be controlled by the
following panel of buttons/knobs.
72-2650 horizontal
control panel (Left)
72-10510/72-8225A/
72-8705A/72-8710A
horizontal control
panel (Right)
Figure 2-11 Horizontal System Interface
The horizontal position control knob is used to adjust
the horizontal position of channel waveform (including
mathematical operation). The resolution of the horizontal
position control knob varies at different time bases.
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72-2650/72-10510/72-8225A /72-8705A/72-8710A user manual
The horizontal scale control knob is used to change
the time base of the channel waveform, by shown as s/div.
If the extension time base is turned on, the window
width will be changed due to the delay in the scanning
time base through turning the horizontal scale knob.
Horizontal menu button: the user can press to enter
the horizontal menu function. (See table below)
Table 2-6 HORI MENU / MENU
Function Menu Settings
Main time base (F1)
Window extension (F3)
Trigger hold-off (@)
Description
Press to turn on the main
time base
Press to turn on the
extension time base
To adjust the trigger hold-off
time by multi-purpose knob