[SBE] Harris HT40 TV transmitter question

[Curt Yengst]

We had actually kicked that around.  I think the CE is just nervous about having unused modules running idle.  There may be nothing to worry about, but whatever helps you sleep at night, right?
 
 

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From: sbe-bounces at sbe.org on behalf of a9xw at cs.com
Sent: Tue 6/22/2010 5:56 PM
To: sbe at sbe.org
Subject: Re: [SBE] Harris HT40 TV transmitter question


Why not leave the aural modules in, since there is no RF drive, they will do little except sit there keeping your alarm off?  just a dumb idea, if it isn't broke don't fix it, in this case, don't disconect it. Yeah, if an aural modules fails, you might get a call, but what is the likely hood of that if its just in idle?
 
Henry Ruhwiedel




-----Original Message-----
From: Curt Yengst <cyengst at star991fm.com>
To: sbe at sbe.org
Sent: Tue, Jun 22, 2010 3:20 pm
Subject: [SBE] Harris HT40 TV transmitter question


I'm not a TV engineer, nor do I play one on TV; but I'm currently assisting at a local TV station.  We've installed a Harris HT40 which was purchased second-hand.  Everything works great except for one thing.....

We're not using the stock exciters, nor are we using the aural modules in the PA cabinets.  Since the station is digital, we're using an after-market digital exciter and using the visual PA's to amplify that signal.  We've disconnected the aural modules from the power supplies, and the stock exciters are completely removed.

We now get, as can be expected, module fault alarms and exciter alarms on the display in the control cabinet.  The exciter alarms are not the big issue here, but the module alarms are.  We know the alarms are caused by the fact that the aural modules are disconnected.  The problem comes if and when we have a legitimate visual module fault.  There's no way to tell.  This prevents us from connecting the module fault alarm to our Burk remote system.

Has anyone else been through this configuration already, and could you suggest a way to "fool" the transmitter into seeing good aural modules, or even getting it to just ignore the disconnected modules?

Curt

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