PPM Analog Scale  

The "Scale" key in the "PPM Analog" section of the PPM menu is used to select the scale displayed in the PPM instrument. Depending on the individual scale selected, certain instrument parameters are switched as well. The most important parameters for each scale are listed below.

  

Please note:
All scales are corresponding to the reference value selected in the "Analog Reference" option (Edit Current Preset >> Edit Group >> References).

  

 
 


• DIN5: +5..-50 dB  

Standard:

DIN

Scale Range:

+5 ... -50 dB

Type:

absolute

Reference Level:

+6 dBu for 0 dB (scale) with analog input reference set to +6 dBu (default)

Integration Time:

10 ms (for -1 dB display) (default)

Red Area:

+5 ... 0 dB

Release Time:

0 ... -20 dB: 1.5 s

  

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• TP60: +3..-60 dB  

Standard:

True Peak

Scale Range:

+3 ... -60 dBTP

Reference Level:

0 dBTP (scale) corresponding to common selected analog reference value in dBu with analog input reference set to +6 dBu (default)

Integration Time:

True Peak

Headroom:

0 dB (selectable in the range from 0 to -20 dB in steps of 1 dB)

Release Time:

0 ... -20 dB: 1,5 s

  

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• TP20: +3..-60 dB  

Standard:

True Peak

Scale Range:

+3 ... -20 dBTP

Reference Level:

0 dBTP (scale) corresponding to common selected analog reference value in dBu with analog input reference set to +6 dBu (default)

Integration Time:

True Peak

Headroom:

0 dB (selectable in the range from 0 to -20 dB in steps of 1 dB)

Release Time:

0 ... -20 dB: 1,5 s

  

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• DIN10: +10..-50 dB  

Standard:

DIN

Scale Range:

+10 ... -50 dB

Type:

absolute

Reference Level:

+6 dBu for 0 dB (scale) with analog input reference set to +6 dBu (default)

Integration Time:

10 ms (for -1 dB display) (default)

Red Area:

+10 ... 0 dB

Release Time:

0 ... -20 dB: 1.5 s

  

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• Nordic: +12..-42 dB  

Standard:

IEC 268-1 (Nordic)

Scale Range:

+12 ... -42 dB

Type:

absolute

Reference Level:

+6 dBu for +6 dB (scale) with analog input reference set to +6 dBu (default)

Integration Time:

10 ms (for 5 dB display) (default)

Red Area:

+12 ... +6 dB (default)

Release Time:

+6 ... -14 dB: 1.7 s

  

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• BR IIa: 7..1 | BR IIa ext: 7..1  

Standard:

IEC 268-IIa

Scale Range:

7 ... 1

Type:

absolute

Reference Level:

+8 dBu for "6" (scale) with analog input reference set to +6 dBu (default)

Integration Time:

20 ms (for 5.75 display) (default)

Red Area:

7 ... 6

Release Time:

7 ... 1: 2.8 s

  

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• BR IIb: +12..-12 dB | BR IIb ext: +12..-12 dB  

Standard:

IEC 268-IIb

Scale Range:

+12 ... -12 dB

Type:

absolute

Reference Level:

+8 dBu for 8 dB (scale) with analog input reference set to +6 dBu (default)

Integration Time:

20 ms (for 7 dB display) (default)

Red Area:

+12 ... +8 dB

Release Time:

+12 ... -12 dB: 2.8 s

  

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• Zoom10: +10..-10 dB  

Standard:

none

Scale Range:

+10 ... -10 dB

Type:

absolute

Reference Level:

+6 dBu for 0 dB (scale) with analog input reference set to +6 dBu (default)

Integration Time:

10 ms (for -1 dB display) (default)

Red Area:

+10 ... 0 dB

Release Time:

+10 ... -10 dB: 1.5 s

  

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• Zoom1: +1..-1 dB  

Standard:

none

Scale Range:

+1 ... -1 dB

Type:

absolute

Reference Level:

+6 dBu for 0 dB (scale) with analog input reference set to +6 dBu (default)

Integration Time:

10 ms (for -1 dB display) (default)

Red Area:

+1 ... 0 dB

Release Time:

0 ... -1 dB: 1.0 s

  

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• SMPTE24: +24..-30  

Standard:

SMPTE

Scale Range:

+24 ... -30 dB

Type:

absolute

Reference Level:

+6 dBu for 6 dB (scale) with analog input reference set to +6 dBu (default)

Integration Time:

10 ms (for 5 dB display) (default)

Headroom:

+4 dBu (fixed)

Release Time:

0 ... -20 dB: 1.5 s

  

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• SMPTE20: +20..-40  

Standard:

SMPTE

Scale Range:

+20 ... -40 dB

Type:

absolute

Reference Level:

+6 dBu for 2 dB (scale) with analog input reference set to +6 dBu (default)

Integration Time:

10 ms (for 1 dB display) (default)

Headroom:

0 dBu (fixed)

Release Time:

0 ... -20 dB: 1.5 s

  

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• NHK: 0..-60 dB  

Standard:

NHK

Scale Range:

0 ... -60 dB

Type:

relative

Reference Level:

0 dB (scale) corresponding to selected "NHK Reference" value (Example: NHK Reference = 24 dBu, 0 dB scale = +24 dBu input with analog input reference set to +6 dBu)

Integration Time:

10 ms (for -1 dB display) (default)

Headroom:

0 dBu (fixed)

Release Time:

0 ... -20 dB: 1.5 s

  

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