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Troubleshooting the Analyzer
To troubleshoot trigger failures
2 Check trigger modes.
a Press the following keys:
[
Preset]
[ System Utility]
[more cal setup]
[auto zero off]
[
Return]
[
Range]
4
[
dBm]
[ Source]
[source on
]
[
source type]
[
periodic chirp]
[
Return]
[level]
0
[
dBm]
[
Frequency]
[
time data zoom]
If the analyzer has two channels, press [
Range] [channel both], then [ch*
range
] 4 [dBm].
b Connect the SOURCE output to the front panel CHANNEL 1 input
and EXT TRIGGER connectors using a BNC tee and BNC cables.
c Press the following keys while monitoring the display. Note which
trigger types are functioning:
[
Tri gger]
[
trigger type]
[
IF channel 1]
[
internal source]
[
external]
[
channel 1]
[
Return]
[
chan level]
200
[
mV]
[
chan slope]
[ −]
[
+]
The message ‘’WAITING FOR TRIGGER‘’ is displayed when the
analyzer is not triggering.
d If the analyzer has the optional second channel, move the source
output to the front panel CHANNEL 2 input and press the
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