Agilent Technologies 85110L User's And Service Manual page 52

Checking a1 and a2 signal paths
a1 Path
1. Place a 7-mm, 50 ohm termination on port 1.
2. Press
INSTRUMENT STATE [RECALL]>[2]
3. Press
[PRIOR MENU]
4. Check for items mentioned in the
a2 Path
1. Move the 3.5-mm, 50 ohm termination to port 2.
2. Press
[CHANNEL 2]
3. Check for items mentioned in the
Figure 5-4 a1 and a2 Signal Paths
Checking b1 and b2 signal paths
b2 Path
1. Place a 7-mm short circuit on port 2.
2. Press
INSTRUMENT STATE [RECALL] > [3]
3. Press
[PRIOR MENU]
4. Check for items mentioned in
b1 Path
1. Move the short circuit to port 1.
2. Press
[CHANNEL 1]
3. Check for items mentioned in
Agilent 85110L Test Set
. This brings up a display similar to
until the marker readout appears on the right side of the display.
"Signal Path Check."
to read the marker values on the a2 path.
"Signal Path Check."
until the marker readout appears on the right side of the display.
"Signal Path Check."
to read the marker values on b1 path.
"Signal Path Check."
. This brings up a display similar to
Test Set Troubleshooting
Unratioed Power Level Check
Figure 5-4.
Figure 5-5.
5-9