TV-H:
Used for triggering from television horizontal sync
pulses.Also servesashi-pass (lowfrequencyreject)
trigger coupling.
LINE:
Signal derived from input line voltage (50/60 Hz)
becomes trigger.
29. TRIGger LEVEL/PULL (–) SLOPE Control.
TRIGger LEVEL:
Trigger level adjustment; determines the point on
the triggering waveform where the sweep is trig-
gered. Rotation in the (–) direction (counterclock-
wise) selects more negative triggering point;
rotation in the (+) direction (clockwise) selects
more positive triggering point.
PULL (—) SLOPE:
Two-position push-pull switch. The “in” position
selects a positive-goingslope and the “out” position
selectsanegative-goingslopeastriggering pointfor
main sweep.
30. EXTernal TRIGger Jack. External trigger input for
single- and dual-trace operation.
REAR PANEL CONTROLS (not shown)
31. Fuse Holder/Line Voltage Selector. Contains fuse
and selects line voltage.
32. Power Cord Receptacle.
33. CH 2 (Y) SIGNAL OUTPUT Jack. Output terminal
where sample of channel 2 signal is available. Ampli-
tude of output is nominally 50 mV per division of
vertical deflection seen on CRT when terminated into
50 Ω. Output impedance is 50 Ω.
34. Z-Axis Input Jack. Input jack for intensity modula-
tion of CRT electron beam. TTL compatible (5 V p-p
sensitivity). Positive levels increase intensity.
35. Handle/Tilt Stand.
36. Feet/Cord Wrap.
CONTROLS AND INDICATORS
10
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