Tektronix 2247A Operator's Manual page 263

HORIZONTAL
MODE
X10 MAG
POSITION
A SEC/DIV
B SEC/DIV
SEC/DIV VAR
TRACE SEP
TRIGGER
HOLDOFF
A LEVEL
B LEVEL
A SLOPE
B SLOPE
A/B SELECT
A MODE
A SOURCE
A COUPLING
B MODE
B SOURCE
B COUPLING
MEASUREMENTS
TIME
TRACK MEASMT Cursors
TRACK TRIG LVL Cursors
TRACK 7 Cursors
MEASUREMENT SOURCE
Reference Delay Zone
Delta Delay Zone
2247A Operators
Appendix C
ALT
Off
Mid range
:2 ms
20 ps
Calibrated (UNCAL off)
Set so that B sweep
trace Is about 1.5
divisions below the
center graticule line.
MIN
Set at a level that will force
an autolevel acquisition with
almost any input signal.
Same as A LEVEL
—
Ss
A
AUTO LEVEL
CH 1
Dc
RUNS AFTER
CH 1
bc
k- SEC 4
Disabled
Enabled
Disabled
CH 1
Starts at beginning of 3rd
division.
Starts at beginning of 8th
division.