LB-5A
Digital Audio Store
Installation & Operating Instructions
Designed and built in the UK.
Page 1: ...LB 5A Digital Audio Store Installation Operating Instructions Designed and built in the UK...
Page 2: ...contact remains the recording will play continually until disengaged TU16A LB 5A PIR SWITCH BUTTON RELAY ACTIVATION OF MESSAGE VIA AUX IN AMPLIFIER LB 5A Digital Audio Store Contents Introduction 04 N...
Page 3: ...e media and is non volatile which means it does not require any backup supply or battery This removable memory stick must be pre loaded with MP3 files and then plugged into the socket located on the c...
Page 4: ...that the unit installation is fully functionally tested using the supplied memory stick before replacing any of the files with new ones If you have any concerns regarding the installation of this unit...
Page 5: ...ut can then be connected to an amplifier using the appropriate connections which can be either the stereo phono sockets or the balanced mono terminals For more information about which of these outputs...
Page 6: ...e A way of understanding how this works is to visualise the five switches described in the previous section but replicated two more times to form three banks of five switches One bank will be used to...
Page 7: ...r all the other groups and will automatically override their output It also has its own internal file hierarchy whereby one message may override a lower message in the group i e message 1 has the high...
Page 8: ...a contact closure Switch 3 activated by an opening contact JP4 Switch 4 activated by a contact closure Switch 4 activated by an opening contact JP5 Switch 5 activated by a contact closure Switch 5 act...
Page 9: ...To play the file again the contact closure must first be broken and then re made Additional Functions Repeat Interval Timer The LB 5A is equipped with an adjustable interval timer which operates on th...
Page 10: ...20 for more details The audio files themselves can be of any suitable type the only requirement is that they are MP3 files i e they have the mp3 extension They don t have to be re named or be of any...
Page 11: ...Any size of USB memory stick can be used with the unit but it must be formatted to a FAT 32 file system the usual file system used on this type of device Any file preparation is best carried out on a...
Page 12: ...ifier or mixer with which it is to be used If required it is possible by means of the Jumper J10 located on the circuit board to configure these outputs to mono allowing only a single connection to th...
Page 13: ...pliance Restriction of Hazardous Substances 2002 95 EC CIE Group has taken due care to ensure that this product contains no hazardous substances as specified in the RoHS Directive 25 Specifications As...
Page 14: ...rving much of the perceptible sound quality of the original Digitised audio is governed by bit rate or the amount of song data that is transferred per second to the device that is playing the song A d...
Page 15: ...per second that the original sound source was sampled during recording CD quality audio is recorded in stereo at a sampling rate of 44 1KHz No matter what bit rate you use to record audio it will neve...
Page 16: ...t closure Switch 2 activated by an opening contact JP3 Switch 3 activated by a contact closure Switch 3 activated by an opening contact JP4 Switch 4 activated by a contact closure Switch 4 activated b...
Page 17: ...e 2 Timer Jumpers Table 2 CONN 3 MCU Programming connector CONN 2 PC Interface Programming connector J10 Mono Stereo Select Table 3 CONN 1 USB Memory Stick connector J6 For setup and test use only J7...
Page 18: ...Selection LED Indicators Power Connector Anchor Point Stereo Audio Output L R Headphone Monitor Socket File Activation Switches SW1 SW5 Aux 12v DC Output Chime Group Select Contacts Activity Indicato...
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