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changes alternately corresponding to the signals
on CHI and CH2 to trigger the signal.
EXT TRIG or
IN connector
Input terminal for use for external triggering signal.
The signal input to this terminal becomes the X-axis
signal when the instrument is used as an X-Y oscillo
scope. (V-211 only)
Trigger LEVEL control
PULL (-) SLOPE
This knob is used to decide at which portion of the wave
form should the sweep be started by setting trigger level.
This knob is also enabled to switch SLOPE.
Depressed position (normal state) is for ©SLOPE and
PULL position (state in which the knob is protruding) is
for ©SLOPE.
Explanation of trigger polarity SLOPE
Push
at time of
©SLOPE
Pull
at time of
© SLOPE
Explanation of trigger LEVEL
At the time
of© SLOPE
At the time
of© SLOPE
Trigger MODE select switch
AUTO The instrument is brought into automatically
triggering sweep in which sweep is always con
ducted.
In the presence of triggered signal, normal
triggered sweep is obtained and the waveform
stands still. In the case of no signal or out of
triggering, sweep line will appear automatically.
This setting is convenient in usual cases.
NORM Triggered sweep is obtained and sweep is con
ducted only when triggering is effected. No
sweep line will appear in the case of no signal or
out of synchronization. Use this mode when
effecting synchronization to a very low fre-
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