Manual

3) The volume control source, default level, and upper and lower limits for the Digital Audio Bus
Channel. When sending audio to the Digital Audio Bus, a ÔFixedÕ level of 99% is typically used.
The PA System, when used with a DR-3000, uses the Digital Audio Bus for sending PA announce-
ments to the DR-3000s. If any PA zones have been set up for the Left or Right outputs, the third and
fourth bus entries will be taken over to service them. The only setting you can make for these two chan-
nels is what level control source will control their volume when they are mixed into the normal audio out-
put(s).
The PA system automatically routes announcements to Digital Audio Bus time slots 0 through 15. For
this reason, any DR-3000 that is used in a PA application must not use Digital Audio Bus channels 0
through fifteen for any other purpose. A DR-3000 responding to pages will automatically listen to the ap-
propriate bus and send its audio to the output(s) while dropping the normal audio to a half-muted level.
If the audio is already half- or fully muted, it will be unaffected.
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Ò1Ó Left Volume:
Ò5Ó Right Volume:
These set the ÔnormalÕ volume level for an output, including all Digital Audio Bus sources that are
mixed into it. You must set the volume control source, default level, and upper and lower limits for the
Channel.
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Ò2Ó Left Half Mute:
Ò6Ó Right Half Mute:
The ÔHalf MuteÕ volume level is an alternative setting for the output level for a channel. It is selected
by a serial port command or 1/4 J6 input trigger. Although it is usually set to a lower level than the Ônor-
malÕ volume setting, it can be set to a higher level if desired. You must set the Half Mute control source,
default level, and upper and lower limits for the Half Muted level.
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Ò3Ó Left Treble:
Ò7Ó Right Treble:
This adjusts the AB/DR-3000Õs output filters to boost the high end output from a repeater. This simu-
lates the function of a ÔtrebleÕ control, and can be used to adjust the output sound quality in the field.
You must set the Treble control source, default level, and upper and lower limits for the Treble level.
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Ò4Ó Left Bass:
Ò8Ó Right Bass:
This adjusts the AB/DR-3000Õs output filters to boost the low end output from a repeater. This simulates
the function of a ÔbassÕ control, and can be used to adjust the output sound quality in the field. You
must set the Bass control source, default level, and upper and lower limits for the Bass level.
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ÒmÓ More.....:
This command allows you to select from the other menus:
1) Main Menu. This brings you back to the main menu.
2) Triggers. If mono ROMs are installed, it will ask if you want to setup the Left or Right Triggers.
3) SMPTE Setup. This is where you enter the SMPTE triggers for starting spiels. This menu is available
only if you have selected the SMPTE IN mode for the repeater.
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