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3 CONFIGURAT ON AND DESCRIPTIONS OF COMPONENTS
I
③ VOLTS/DIV
A switch for selecting signal input sensitivity for the CH1 and CH2 signals. Usually,
set it to 5V/div (turn it counterclockwise to the limit).
④ AC, GND, DC switch
A switch for selecting input-signal coupling mode. Usually, select GND when
adjusting the trace position and DC during scanning.
⑤ VARIABLE
A knob for varying the input signal sensitivity continuously. Pulling the knob
increases the sensitivity 5 times. Usually push it and turn it clockwise to the limit
(the CAL position).
⑥ Display function selection switch
When the switch is set to CH1, only the signal input to the CH1 (Z/20) terminal is
displayed. When it is set to CH2, only the signal input to the CH2 terminal (the
signal selected with the SELECT knob on the SPM CONTROL system) is dis-
played. Usually set it to the "CHOP" position.
⑦ INPUT
Same as ② above.
⑧
(Vertical position control)
Same as ① above.
⑨ AC, GND,DC
Same as ④ above.
⑩ VOLTS/DIV
Same as ③ above.
⑪ VARIABLE
Same as ⑤ above.
■ Section C
① ⇔Horizontal position control
A knob for adjusting the horizontal position of the trace. Pulling the knob increases
the scanning rate 10 times. Usually, push the knob. Adjust the trace with the knob
pressed so that it does not go outside of the CRT.
② TIME/DIV
A switch for selecting the scanning rate. Set it to a position so that the observation
waveform can be easily seen. Usually, 2 ms/div is used.
③ NORM/AUTO
A switch for selecting the scanning rate. Usually, AUTO is used.
④ Trigger Coupling
A switch for selecting the trigger signal coupling. Usually, AC is used.
⑤ Trigger Source
A switch for selecting the trigger signal. Usually, INT is used.
3-18
TMPM5200-2
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