Tektronix 2205, Руководство оператора

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APPENDIX C
GLOSSARY
DISPLAY CONTROLS
BEAM FIND—Finds the beam when it is off the screen.
FOCUS—Adjusts the trace for optimum focus.
INTENSITY—Adjusts the brightness of the trace.
POWER (ON-OFF)—Turns on AC power to the power supply.
When the light is on the instrument operates; when the light is
off the instrument is off.
TRACE ROTATION—Adjusts the trace to be parallel with the fixed
graticule. (See OTHERS for graticule).
VERTICAL CONTROLS
ADD—Combines Channel 1 and Channel 2 algebraically.
ALTERNATE (ALT)—Shows CH 1 and CH 2 alternately; first one
sweep of Channel 1 then one sweep of Channel 2.
Alternating Coupling (A C )—Static signal components are
blocked and only the alternating components of the input signal
reach the channel.
BOTH—Displays CH 1 and CH 2 in ALT, CHOP, or ADD mode.
CAL—Changes the variable scale factor up to 2.5 times the
VOLTS/DIV setting.
Channel 1 (CH 1)—Displays only Ch 1 on the screen.
Channel 2 (CH 2 )—Displays only Ch 2 on the screen.
Channel 2 Invert (CH 2 INVERT)—Inverts the polarity of CH 2.
(See OTHERS for polarity.)
CHOP—The scope will draw part of CH 1, then part of CH 2 by
switching back and forth.
2205 Operator’ s
C-1