Tektronix 485 Operator's Handbook Manual page 10

27, HORIZ
DISPLAY Selector (Blue Panel
Background)
(Inoperative in the X-Y VERT MODE and when timing knobs
are locked in the 1, 2, and 5 ns/div position)
A
Displays A sweep
INTEN (A)
Displays A sweep intensified (after the delay time) for the
duration of B sweep,
ALT
Alternately provides INTEN (A) and B (DLY'D) displays.
Pushbutton
B (DLY'D)
Displays B (DLY'D) sweep.
. Triggering COUPLING Switch, A TRIGGERING and B
TRIGGERING
AC
Trigger signals are AC (capacitively) coupled to the trigger
circuitry. Trigger signals below 16 Hz are attenuated,
LF REJ (AC Coupled)
Attenuates triggering signal below 16 kHz.
HF REJ (AC Coupled)
Triggering signals below 16 Hz and above 50 kHz are
attenuated.
DC
DC (direct) couples all trigger signals to the trigger circuitry.
DELAY TIME POSITION
CH2 POLARITY
GAIN
ra) UP ;
co INVERT :
POSITION
SM AME MAX
' Operating Instructions—485 Operators
OSCILLOSCOPE
TRACE
SEPARATION (B}
4
A ONLY WHEN i
KNOBS LOCKED
A TRIGGER
HOLDOFF
INCREASE
A TRIGGERING
COUPLING... SQURCE
INT
KTRONIX, INC.