Agilent Technologies N5242A Service Manual page 88

Troubleshooting
Front Panel Troubleshooting
Checking the Front Panel Keys
To check the front panel keys, push each key and compare the name in the Key Label box
to the name physically labeled on the key cap. These names are also in
• If all the key names are correct, then the front panel keypad is working. If some of the
keys are not working, suspect a faulty keypad. To replace the keypad, refer to
"Removing the A1 Front Panel Interface Board and Keypad Assembly" on page
• If none of the keys are working correctly, suspect a faulty A1 front panel interface
board. To replace the A1 front panel interface board, refer to
Panel Interface Board and Keypad Assembly" on page
Table 4-2 Front Panel Keyboard Key Names
TRACE/CHAN
Keys
Trace 1
Trace 2
Trace 3
Trace 4
Traces
Channel
Navigation
Keys
←
→
↑
↓
Click
4-14
RESPONSE
Keys
Meas
Format
Scale
Display
Avg
Cal
MARKER/
ANALYSIS Keys
Marker
Search
Memory
Analysis
PNA Series Microwave Network Analyzers
"Removing the A1 Front
7-10.
ENTRY
Keys
OK
Cancel
Help
Bk Sp
0
1
2
3
4
5
6
7
8
9
G/n
M/u
Service Guide N5242-90001
N5242A
Table 4-2 below.
7-10.
ENTRY
Keys (Cont'd)
k/m
Enter
Off
. (decimal point)
+/-
STIMULUS
Keys
Freq
Power
Sweep
Trigger
UTILITY
Keys
Save
Print
Macro
Recall
System
Preset