TB 9-6625-151-40
(4) Continue configuring FUNCTION GENERATOR #2 as listed in (a) through (d) below:
(a) Select [Recall 1].
(b) Set [period] 2.5 sec. Set [duty cycle] for 80%.
(c) Press Store/Recall key. Select [Store 2]. Select [Store].
(d) Press Store/Recall key. Select [Recall 2]. Ensure settings are correct.
(5) Configure OSCILLOSCOPE as listed in (a) through (e) below:
(a) Set channels 1-4 for 2V/div, DC coupling.
(b) Set horizontal control for 10 msec.
(c) Set trigger source to channel 1.
(d) Set trigger mode to trig'd and slope for positive pulses.
(e) Set channels 1 - 3 trigger level for 2.5 V. Set channel 4 trigger level for -2.5 V.
(6) Configure both FUNCTION GENERATORS #1 and #2 by selecting Store/Recall,
[Recall 1] on each unit. Ensure outputs are off.
(7) Connect instruments as listed in (a) through (m) below (fig. 4):
(c) CALIBRATION AMPLIFIER J3 to FREQUENCY COUNTER #1 input A.
(d) CALIBRATION AMPLIFIER J6 to FREQUENCY COUNTER #2 input A.
(e) CALIBRATION AMPLIFIER 24 V and RTN to POWER SUPPLY #1 +/-.
(f) CALIBRATION AMPLIFIER -12 V and RTN to POWER SUPPLY #2 -/+.
(g) CALIBRATION AMPLIFIER J1 to FUNCTION GENERATOR #1 output.
(h) CALIBRATION AMPLIFIER J5 to FUNCTION GENERATOR #2 output.
(i) FUNCTION GENERATOR #1 sync to FUNCTION GENERATOR #2 ext trigger.
(m) CALIBRATION AMPLIFIER TP4 and GND to OSCILLOSCOPE channel 4.
(8) Configure FREQUENCY COUNTER #1 and #2 as listed in (a) through (f) below:
(a) Set function to TIM A-B. Select COM A.
(b) Set auto trigger off. Set input A and B, trigger level for 1 V.
(d) Select input A, positive slope. Select input B, negative slope.
(e) Select input A and B, 1 MΩ impedance. Set coupling to DC.
(f) Set filter on.
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