Tektronix 2247A Operator's Manual page 273

Tektronb< MANUAL CHANGE INFORMATION
COMMATTED TO DCRLLENOR
Date: _5-8-91_ Change Reference: ___C8/0591
Product _2247A OPERATORS.
Manual! Part Number. _070-6373-01_
DESCRIPTION Product Group 46
@. Position the signal to center screen using the CH 1 POSITION
control.
f. Set CH 1 VOLTS/DIV to 0.1V.
g. Press the CURSOR VOLTS button. Select (TO AUTO
TRACKING MENU). Check that TRACK TRIG LVL Is under-
lined. (If it is not underlined, select TRACK TRIG LVL from
the AUTO TRACKING menu.)
h. Press the COUNTER/TIMER button. Select FREQ.
1. Adjust the SG503 FREQUENCY VARIABLE for 0.999,000,0
MHz (999.000,00 kHz) to 1.001,000,0 MHz readout on the
CRT.
J. Press the COUNTER/TIMER button. Select WIDTH.
k. CHECK-the trigger tracking cursor falls In the vertical center
of the waveform. If not, push the LAST MEASUREMENT but-
ton and check again.
|. CHECK-for a readout between 479 and 521 ns.
Page 2 of 2