To Check The External Trigger Input; To Check The Lan - Keysight Technologies E4981A Service Manual

previously saved data may be cleared. If you use a USB memory other than the
recommended device, data may not be saved or recalled normally.
Step 2. Press [Save/Recall].
Step 3. Use the cursor keys to select the MEDIA field.
Step 4. Press the
Step 5. Use the cursor keys to select the No. 11.
Step 6. Press the
Step 7. Press [Save/Recall].
Step 8. Use the cursor keys to select the MEDIA field.
Step 9. Press the
Step 10. Use the cursor keys to select the No. 11.
Step 11. Press the
If the file save or recall operation fails, a failure in the USB port or A31 board is suspected.
Also check the cable between the USB port and A31 board.

To Check the External Trigger Input

Procedure
Step 1. Press [Preset]
Step 2. Press [Meas Setup].
Step 3. Using the cursor keys, select the TRIG field, and then select
Step 4. Press [Display Format].
Step 5. Connect a BNC Short or 50 Ω termination to the Ext Trig connector on the rear panel and
disconnect it. Thereby a measurement trigger should be generated and a measurement
result should be refreshed.
Step 6. If no trigger occurs, a failure in the A1 board is suspected.

To Check the LAN

Procedure
Step 1. Connect a LAN cable between the LAN port on the rear panel and an external computer
(PC).
NOTE
Use a crossed LAN cable to enable the peer-to-peer communication between the E4981A
and the PC. If the E4981A needs to be connected to the PC via a multi port Hub, use a
straight LAN cable.
Step 2. Press [System].
Chapter 4
EXT softkey.
SAVE softkey to save configuration states into the USB memory.
EXT softkey.
RECALL softkey to recall configurations from the USB memory.
- CLEAR SETTING - OK
Function Specific Troubleshooting
to initialize the E4981A.
softkey.
EXT
Troubleshooting
57