TB 9-6625-2139-24
(b) HORIZONTAL MODE switch to A.
(c) A TRIGGER NORM pushbutton pressed.
(d) A TRIGGER A SOURCE switch to EXT.
(50) Connect oscilloscope calibrator CHAN 1 to TI EXT INPUT using a 50 :
feedthrough termination.
(51) Set oscilloscope calibrator LEVEL SINE output to 35 mV and 10 MHz.
(52) Press in and hold TRIG VIEW pushbutton while adjusting A TRIGGER
LEVEL control to obtain a stable display.
(53) Repeat technique of step (52) above for A TRIGGER pushbutton combinations
Table 23. A Trigger Level A Source to EXT INPUT
Test instrument
Test instrument
A TRIGGER LEVEL with
Test instrument
A TRIGGER
TRIG VIEW
adjustments
pushbutton combinations
in stable display test
MODE
SLOPE
b
YES
NO
b
NORM
IN:
b
P-P AUTO
IN:
b
P-P AUTO
OUT:
(54) Release TRIG VIEW pushbutton.
(55) Pull X10 CAL control to out position and press A TRIGGER NORM pushbutton.
(56) Set oscilloscope calibrator LEVEL SINE output to 120 mV and 60 MHz.
(57) Press in and hold TRIG VIEW pushbutton while adjusting A TRIGGER
LEVEL control to obtain a stable display.
(58) Repeat technique of step (57) above for A TRIGGER pushbutton combinations
Table 24. A Trigger Level A Source to EXT INPUT
Test instrument
Test instrument
A TRIGGER LEVEL with
Test instrument
A TRIGGER
TRIG VIEW
adjustments
pushbutton combinations
in stable display test
MODE
SLOPE
b
Yes
No
b
NORM
IN:
b
P-P AUTO
IN:
b
P-P AUTO
OUT:
(59) Release TRIG VIEW pushbutton.
(60) Set oscilloscope calibrator LEVEL SINE output to 150 mV (200 mV for type
2235) and 100 MHz output.
31