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About Terotec

  • Birthday 03/21/1964

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  • Location
    Based in Northampton, England
  • Interests
    Systems engineer, working on Cruise ship new build projects and various land based project mainly in UK and mainland europe.<br>Other interests include Amateur radio (G6 MSS) swimming and flying.
  1. Many thanks, will try that. We had no intention of using the gates and had never guessed (nor found any referrence as to) their secondary role as key level for the automix/ducking functions, but with hindsight that sort of makes sense! Graham
  2. I have been having problems implementing what at first sight should be a simple design idea. A small bar system with a live stage, a piped always on background music feed and a jukebox. Using a custom panel selecting between BGM and performance was easy along with setiing up the appropriate balance, however the second requirement was that when in non performance mode the BGM would play unless someone selects a record on the jukebox. All audio is run through the USM810 and the jukebox feed is a direct line level feed which I intended to use to autoduck the BGM feed when someone uses the machine (all other selection live/BGM being done via input mutes triggered from the custom panel and the control ports). However after much experimenting with both the autoducker and the auto mic mixer I have yet to achive a recognisable ducking feature - for simplicity sake I emulated the jukebox with 0dB pink noise yet could not acheive a consistent duck on the other channel that would then release in the absence of the (pink noise) signal. Strangley I found no trigger level control to set for the ducking channel, yet comprehensive ducking depth and time constant controls for the ducked channel(s). Any suggestions where I could be going wrong? Regards, Graham
  3. Once again on another almost identical project, this time was able to investigate further - when the USM 810 re-powers up the ports are indeed read and their state reflected on my laptop via the 232 link and IQ software, however the control commands that were programmed in are not acted upon at that stage. It takes a transition on the control port whilst the unit is fully operational to force those control commands, so my original problem remains. I need a solution that will enable the USM810 to implement the contol comands associated with the control port, such that it will action any changes in the state of the control port inputs that occured whist the unit was in a non powered state.
  4. Using a USM 810 will also allow you to use the eq sections to tune each area and you can also have a simple physical pot. in each room in tandem with your intended wifi control. If you do not require the additional sophistication offered, then Dateq's musiczone may be worth a look, it is less money for less features if switching and level control is all that is required. Graham
  5. Thanks Brad, look forward to hearing from you. (have about ten on this project and a similar amount on two previous projects that would benefit from a retro fix) Graham
  6. I agree with T Harrison, although it may be worth consulting with zoo experts as to the hearing ranges of the animals in the different zone areas, some may be have hearing which does not reach 19Khz, but do hear low frequencies so a mix and match policy may have to be deployed.
  7. Hello again folks, Im again working on a project with multiple USM 810s. Im sorry to report Brad that my problem still exists. The firmware currently installed is V1.1 , but Im still experiencing a lack of polling on power up. I have conceived a couple of simple external timing circuits, that if powered from the same source as the 810 will wait until after bootup, then short the control line, open the control line and then finally connect the switch contact to be monitord. This way way at least the 810 should be toggled and then see any changes of state that occured whilst it was powered down. However this does not give a 'failsafe' mute option, if the connection after the bodge circuit, or the bodge circuit itself fails whilst the 810 is powered down, there is a potential for the system to still be unmuted on power up. Graham Hall
  8. Has anyone found a way to force the USM 810 to poll the status of the control port on power up? I experienced difficulties resulting from a change of state happening to the control port inputs whilst the 810 has been powered down. This is particularly annoying in a conference room set up where microswitches monitoring the room divider state have been activated when the room has been out of use and the rack had been powered down, leading to a situation where the client was reporting that the system was faulty. If using the control point to provide an emergency system this can lead to a non failsafe situation if a mute situation occurs during a power outage, on power restore the system will not be muted and could mask alarms. As yet I have been unable to find an external circuit that would toggle the input ports on powerup, though I'm hoping a (near?) future software upgrade might provide a solution. Any work arounds? Graham