Fluke PM6690 - Trigger Indicators and Input Controls

Trigger Indicators and Input Controls
NOTE: This test must be performed in the se
-
quence given.
–
Recall the DEFAULT settings.
–
Press INPUT A and select MANual trigger
level.
–
Connect the LF synthesizer to Input A.
Use the following settings (into 50 W):
Sine, 10 kHz, 0.9 V
pp
, and +0.50 V DC
offset.
–
Verify that the three modes for the trigger
indicator are working properly by chang-
ing the trigger level:
–
Press the Trig key and enter 1 V via the
keyboard, then verify by pressing
EXIT/OK. Check the trigger indicator
according to Table 7-4.
–
Press the Trig key and enter –1 V via
the keyboard by pressing the ± key, then
verify by pressing EXIT/OK. Check the
trigger indicator according to Table 7-4.
–
Press the Trig key and enter 0 via the
keyboard, then verify by pressing
EXIT/OK. Check the trigger indicator
according to Table 7-4.
–
Apply the signal to Input B instead.
–
Press MEAS FUNC ® Freq ® Freq A
® B
–
Press INPUT B and select MANual trigger
level.
–
Repeat the trigger level settings above to
verify the three trigger indicator modes for
Input B.
Performance Check
Short Form Specification Test 7-7
Settings V
max
V
min
Pass/Fail
Input A Input B
INPUT A, DC, 50 W
+950 mV +50 mV
AC
+450 mV -450 mV
10X
+0.45 V -0.45 V
1MW
> +0.45 V < -0.45 V
Table 7-5 Input controls check.
Trigger Level
(manually set)
Trigger Indicator Pass
Input A Input B
+1 V off
-1 V on
0.0 V blinking
Table 7-4 Trigger indicator check.