LM 128P
Loudness and Peak Program Meter according to EBU R 128
11
SSB AUDIO GmbH * Sonnenweg 25 * 30827 Garbsen, Germany
Tel.: +49 5131 464272 * www.ssb-audio.com * [email protected]
5.8
More Displays
5.8.1
Version Number
The firmware version and revision number, e.g. ‘
P4.00
’ (version 4, revision 0), is displayed temporarily after the
LM 128P is powered up and visible for a few seconds until the device is operational.
5.8.2
Sample Rate
The sample rate of the selected digital audio input signal is displayed after the
LM/PPM
key together with the
IN
key is pressed for a longer time. In case no signal is present, ‘
----
’ is displayed. In case the analog inputs are
selected, ‘
-A-
’ is displayed. Pressing
LM/PPM
temporarily resumes the normal display state.
5.9
Factory Defaults
All settings can be reset to the factory default settings. There are two sets of factory defaults available. One is
primarily for using the LM128P as a loudness meter (LM) and the other one is primarily for using the LM 128P as a
peak program meter (PPM).
Items marked with an asterisk (
*
) differ between both defaults.
5.9.1
Factory Defaults for Loudness Meter (LM)
Press and hold the
LM/PPM
key together with the
RUN
/
PAUSE
key for at least 5 s.
Item
Setting
Comment
LED-Bar Display Mode
*
LM
Loudness Meter
20 dB Gain in PPM Mode
Off
None
Numerical Display in PPM Mode
On
LU/LUFS Display
LU
Referenced to LU Reference Level
Input Selection
*
0
AES3: Digital XLR input
Color Scheme in LM Mode
-1: Dot display
Color Scheme in PPM Mode
*
0: Combined bar and dot display
Brightness
*
4
Medium
Background Brightness
*
3
Medium
Yellow LED Tint
Yellow
50% red, 50% green
LU Reference Level
-23 LUFS
EBU R 128 “EBU Mode” requirement
ADC Full-Scale dBu-Level
+18 dBu
According to ITU-R BS.645-2
Clip Indication Time
0.5 s
