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Grass Valley AAP-1741 User Manual

Page 26

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GUIDE TO INSTALLATION AND OPERATION

22

| AAP-1741

3.3.6 RALM

tab:

This Remote Audio Level Meters feature allows
distant supervision of the audio levels present at the
four outputs of the AAP-1741.

3.3.6.1 RALM

Connections

tab


CH1&2, CH3&4

– each radio button turns the

player ON or OFF for the pair of channels.

Reset Counter

– reset the overload counter to

zero. The counters are located on top of each
meter. See Overload Cursor in the Meter Ballistics
section for more information.

RALM Remote Control

– To limit the data flow

required by the meters, each pair of meters can be
turned ON and OFF independently. Each checkbox
controls the transmission for 2 channels of RALM
data to the iControl server.

The Speed pull-down affects the refresh rate, the
default value is slow.

3.3.6.2 RALM – Meter Ballistics Config tab

Type

– select a type of meter from the pull-down list

When using analog input on a digital peak meter,
the correspondence between the input in dBu and 0
dB Full Scale is given in the Audio Processing –
Config

tab.


The zero of the analog VU Meter is fixed at -20
dBFS. The zero of the analog Peak meter is fixed at
-24 dBFS. Refer to the 0 dBFS value to get a dBu
value.

When using a digital input on an analog peak meter,
the test position is fixed at -24 dBFS. The 0 VU
meter is fixed at -20 dBFS.

Upper Zone Limits

– select the crossover level

between the upper and middle zones of the meter
(the range of values shown in the pull-down list
depends on the meter type). The zone limits are in
dBu for analog meters and in dBFS for digital
meters

Lower Zone Limits

– select the crossover level

between the middle and lower zones of the meter
(the range of values shown in the pull-down list
depends on the meter type). The zone limits are in
dBu for analog meters and in dBFS for digital
meters