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Conference 7.286::macintosh

Title:Apple Macintosh Volume II
Notice:Mac is NOT an acronym - it's Mac or Macintosh *not* MAC
Moderator:SMURF::BINDERONS
Created:Sun Jan 20 1991
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:964
Total number of notes:30983

944.0. "Volatile internal speaker selection in Monitors and Sounds" by AZUR::HUREZ (Connectivity & Computing Services @VBE. DTN 828-5159) Fri Jan 17 1997 11:03

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944.1try unmute-it extensionCSC32::M_BELLORWhat are you looking at!Sat Jan 25 1997 11:1713
    
    When ever something is plugged into the external sound jack,
    the internal speaker is muted automatically. There is a couple
    of extensions that will unmute the internal speaker at boot up.
    One is called unmute-it, the other is Unmute Extension, or they
    may be the same extension? There have been reports on some systems
    when you have unmuted the internal speaker for the 4th or 5th 
    time that the sound preference file gets corrupted and the system
    will crash. This has been reported on PCC Power systems, I don't
    know about powermacs though. Give this a try.
    
    Mike
    
944.2I'll give it a try. Thanks for the hint!AZUR::HUREZConnectivity & Computing Services @VBE. DTN 828-5159Mon Jan 27 1997 06:521
    
944.3Specifically: PowerBook 190COVERT::COVERTJohn R. CovertTue Mar 04 1997 08:3727
Well, this seems like a related enough topic...

What are the various different sound-out capabilities of different
Mac models?

I have a 7100, which I had always assumed simply had a normal stereo
mini-headphone jack for the sound-out.   (Consulting the manual I see
that the assumption was correct.)

Here is the application:  I plan to borrow someone's PowerBook to
provide a special sound for a theatrical performance; the Mac sound
file that I have is mono and is to be connected to one channel of
the production audio system.

This particular PowerBook is in the shop, but is expected to be back
in time for the performance (although not in time for the Sitzprobe,
and I may need to borrow something for that, which wouldn't have to
be hooked up to anything other than the percussionist's finger).

I've been told by someone of unknown breadth of knowledge that the audio
out jacks on PowerBooks are a special sort of jack.  Is this true across
the range, or do newer PowerBooks have a regular mini-headphone jack?

(Someone happened to have a Duo last night which we discovered seems to
have no sound out at all!)

/john
944.4Duos I know about - 190's I'm not sureAOSG::BHARRISJuggling has its ups and downsTue Mar 04 1997 11:4320
    Duos have limited on the road "Outs" of any kind, but thats one of the
    things that kept them light.  Power, Printer/AppleTalk port, Phone
    port. period!  Plug them into a Docking station and then you have all
    the rest of the standard output ports.
    
    A Duo when plugged into an Apple Duo Mini-Dock has a standard Stereo
    mini-headphone jack.
    
    As for PowerBook 190's I do not know.
    
    ----
    
    As for special jacks.  I know that some of the Microphone jacks were
    special (they had a longer shaft), but I never heard of a special jack
    for the sound out (excluding AV models which had _INADDITION_ to the
    standard audio out mini-jack, they also had RCA left and right channel
    connectors, and similar RCA as well as S-Video connectors for the video
    signals).
    
    					Bob Harris