TC Electronic LM2 - Manual (Page 9)

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5. To lock LM2’s front panel from log reset and
adjustments, press and hold the Utility key. Note: Extra
info about loudness and true-peak level may still be
accessed on Stats page by pushing the Home key.
Loudness Glossary
The many new standards, loudness and true-peak level
terms may be difficult to keep track of. Find an updated
glossary at the TC Electronic website at
www.tcelectronic.com/loudness
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Master Control Logging
LM2 monitors loudness continuously 24/7. Dump log
files to a PC or a Mac or bring up the Radar view using
the Icon application. Note that a computer may monitor
multiple LM2 units, and that it is not necessary to
connect one, except for dumping log files every now and
then.
1. Press the Recall key and use the dial to find a “Meter”
preset, i.e. “EBU Mode R128” or “ATSC Mode A/85”
2. Press the Enter key to confirm recall of preset. Note: A
preset recall resets the meter history and the log.
3. LM2’s default input is AES/EBU. Change input if
needed using the I/O key, arrow keys and the dial.
4. To lock LM2’s front panel from log reset and
adjustments, press and hold the Utility key. Note: Extra
info about loudness and true-peak level may still be
accessed on Stats page by pushing the Home key.
Master Control Limiting
On top of 24/7 logging, LM2 can be used as a precision
true-peak limiter. Dump log files to a PC or a Mac or
bring up the Radar view using the Icon application. Note
that a computer may monitor multiple LM2 units, and that
it is not necessary to connect one, except for dumping
log files every now and then.
1. Press the Recall key and use the dial to find a “Limit”
preset, i.e. “EBU R128 Limit” or “ATSC A/85 Limit”
2. Press the Enter key to confirm recall of preset. Note: A
preset recall resets the meter history and the log.
3. LM2’s default input is AES/EBU. Change input if
needed using the I/O key, arrow keys and the dial.
4. To adjust the limit threshold of LM2, press the Edit key
and find the “Lim Thres TP” parameter.