User Guide

LA-series Operating Manual
-97-
7-3 Troubleshooting
1. Description: please read carefully the operating instructions if certain
problems or doubts are encountered when logic analyzer is employed.
2. Operating questions and countermeasures:
Q1: In the event of Power on during startup, why the power indicator isn’
t highlighted, and it’s unable to display normally?
Ans: Check if power cord is fastened securely, the fuse in fuse holder is
normal, and AC power switch is at "1".
Q2: Why is the power indicator (red) highlighted after startup, but no
on-screen display exists?
Ans: The system may not be opened, just press again Power Switch key.
Q3: Why isn’t there message responding after pressing F1~F6 keys.
Ans: F1~F6 keys at right hand of screen are only used when control key is
pressed. When F1~F6 exist at right hand of LCD, functional adjustment
is required.
Q4: How is the signal capture terminal employed with signal capture hook?
Ans: After inserting Pin of signal capture hook into single-pin socket of
signal input terminal, and then snap the object by capture hook.
Q5: Why cannot the signal waveform be captured during normal circuit
operation?
Ans: 1. Make sure that signal capture hook contacts normally with the test
point.
2. Make sure that signal wire at both ends of junction box is free of
damage and linked normally to the host computer.