Diagnostics - LG LU34 Z Series Installation Manual

2. Diagnostics

Diagnostics Setup
Introduction
This diagnostic function provides current status information of the TV in XML file format using a USB
device. If the user sets a signal standard level, Signal Tracer Set checks the signal strength status
of the digital Programme that the user tuned to. It checks and records good and bad Programme
signals, and then provides the signal information to a USB storage device in XML file format.
(1) Overview Diagnostics
• It provides status information of the TV and information about the current input in XML file
format. (There are two kinds of information. There is information which is extracted regardless of
the model, such as the model name or boot version, and there is information which is available
depending on the model, such as the micom version, PTC version, etc.). The information created
in the XML file can be checked in the TV's UI by pressing 88888888 in the TV's General menu.
• If a SignalTrace standard level is set, it saves the average value of the Programme signal with less
than 30 tuning counts to the digital broadcasting Programme. If the count is more than 30, it
saves good and bad signals by comparing the average signal value to the current signal strength
and signalTrace standard level (Signal Tracer Set) value.
- Bad signal: BML (average value) > strength (current signal strength) and (BML - strength) >
Signal Tracer Set
- Good signal: BML< strength and (strength - BML) > Signal Tracer Set
• It provides the good and bad signals, average signal value, Programme information, and date
information etc. in USB in XML file format. (Saved in changedSignal_report tag) Up to 127 reports
for good and bad signals are saved. If the reports number more than 127, they are written again
beginning from 1.
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