TB 9-6625-2251-35
m Select: TRIGGER SOUCE and set: EXT then set: SOURCE 1⏐2 to 1. Connect
unconnected end of BNC input coupler to EXT TRIG 1.
indication on crt as listed in the first row of table 12. Rotate TRIGGER LEVEL knob and
verify TI will trigger.
o. Repeat technique of n above substituting frequencies, amplitude, and TI setting in
the remaining rows of table 12.
Oscilloscope calibrator LEVEL SINE
Test instrument
SEC/DIV
Amplitude
settings
50
kHz
50
mV
5 s
80
kHz
50
mV
5 s
50 MHz
50 mV
5 ns
150 MHz
150 mV
5 ns
p. Move BNC dual input coupler connection from EXT TRIG 1 to EXT TRIG 2 and
perform (1) through (3) below.
(1) Select: TRIGGER SOURCE.
(2) Set: EXT
(3) Set: SOURCE 1⏐2 to 2.
Oscilloscope calibrator
Test
LEVEL SINE
instrument
SEC/DIV
Amplitude
settings
50
kHz
50
mV
5 s
80
kHz
50
mV
5 s
50 MHz
50 mV
5 ns
150 MHz
150 mV
5 ns
r. Select: SETUP AUTO.
11
