Agilent Technologies 35670A Service Manual page 239

Agilent 35670A
• Connect the frequency synthesizer to the analyzer's rear panel EXT TRIG
connector using a BNC cable.
• Press the following keys allowing enough time for the analyzer to trigger
before pressing the next key. Note which trigger modes are failing:
[ ]
CHANNEL 1
[ ]
CHANNEL 2
[ ] (option AY6 only)
CHANNEL 3
[ ] (option AY6 only)
CHANNEL 4
[
TRIGGER SETUP
[
CHANNEL LEVEL
200
[ ]
mV
[ ]
SLOPE NEG
[
ALL CHANNELS
[
CHANNEL DELAY
100
[ ]
mS
[ ]
0
[ ]
S
[ ]
Rtn
[ ]
ARM SETUP
[
MANUAL ARM
[ ]
Rtn
[ ]
ARM
[ ]
ARM SETUP
[
AUTOMATIC ARM
[ ]
Rtn
[
EXTERNAL TRIGGER
[
TRIGGER SETUP
[
EXT LEVEL TTL
[
EXT LEVEL USER
[
USER EXT LEVEL
200
[ ]
mV
[
EXT RANGE +/
[
USER EXT LEVEL
0
[ ]
V
The message
WAITING FOR mode TRIGGER
triggering.
• Change the frequency synthesizer's amplitude to 0.3 Vp-p.
• Press [
EXT RANGE +/
The analyzer should now trigger.
]
]
]
]
]
]
]
]
]
]
]
− 10 ]
]
2 ].
Troubleshooting the Analyzer
To troubleshoot trigger failures
is displayed when the analyzer is not
4-63