Telex TR-300 Operating Instructions Manual
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Telex TR-300 Operating Instructions Manual

Professional wireless intercom system
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Telex
®
Op er ating In struc tions
PRO FES SIONAL
WIRELESS
IN TER COM SYS TEM
TR-300, TR-300P,
BTR-300

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Summary of Contents for Telex TR-300

  • Page 1 Telex ® Op er ating In struc tions PRO FES SIONAL WIRELESS IN TER COM SYS TEM TR-300, TR-300P, BTR-300...

  • Page 3: Table Of Contents

    FEA TURES..........................4 CON TROLS AND CON NEC TIONS....................5 FRONT PANEL ........................5 REAR PANEL .........................6 TR-300 BELT-PACK TRANS CEIVER...................9 TECH NI CAL IN FOR MA TION ......................9 SPEC I FI CA TIONS ........................9 FEA TURES..........................10 CON TROLS AND CON NEC TIONS....................10 EX TER NAL CON TROLS ....................10...
  • Page 4 BTR-300 OP ER A TION .........................27 POWER..........................27 LO CAL HEAD SET VOL UME.....................27 PUSH TO TALK/LOCK TO TALK SWITCH..............27 TR-300 OP ER A TION........................28 POWER..........................28 BAT TERY CHECK .......................28 HEAD SET VOL UME ......................28 PUSH TO TALK/PUSH TO TRANS MIT SWITCH ............28 BAT TERY RE MOVAL ......................29...

  • Page 5: In Tro Duc Tion

    - four TR-300 Belt Pack trans ceiv ers. See block iary au dio. di a gram in Fig ure 1.
  • Page 6 The sys tem op er ates on se lected fre quen cies The TR-300 Trans ceiver op er ates in the con tin - within the150-216 MHz band. u ous trans mit mode with the au dio ac ti vated by a switch.

  • Page 7: Btr-300 Base Station Trans Ceiver

    BTR-300 BASE STATION TRANS CEIVER TECH NI CAL IN FOR MA TION SPEC I FI CA TIONS BTR-300 Over all In put Power............... 13.0 VAC RMS/600 mA with sup plied adap tor or fil tered 12 to 14 VDC/600 mA source. In ter com Out put ..50 mV (Low) or 330 mV (Hi) RMS into 300 ohm load typ i cal (at rated de vi a tion) In ter com In put (Gain Min i mum)..........

  • Page 8: Spec I Fi Ca Tions

    Dis tor tion ..................... Less than 1% at Rated Out put FEA TURES • The Telex Model BTR-300 is a Base Sta tion In ter com con nec tions with the abil ity to in - with one trans mit ter and four re ceiv ers. It is de - ter face with most wired in ter com sys tems.

  • Page 9: Con Trols And Con Nec Tions

    In put/Out put. The head set jack will Overmodulation In di ca tor: A screw driver ac cept many Telex model head sets. Com pat i ble ad just able con trol is pro vided to con trol the in - with other in ter com head sets with four pin put level of the lo cal head set mic.

  • Page 10: Rear Panel

    External In ter com Switch, Level Con trol, Head set Mi cro phone Se lect Switch:This and In di ca tor: This switch en ables the wired switch al lows the user to se lect ei ther an in ter com in ter face when “IN”, and dis ables it Electret or Dy namic mi cro phone.

  • Page 13: Tr-300 Belt-Pack Trans Ceiver

    TR-300 BELT-PACK TRANS CEIVER TECH NI CAL IN FOR MA TION SPEC I FI CA TIONS TR-300 Over all Power Re quire ments ..............6 AA cells (Al ka line, NEDA, MN 1500) Nickel-Metal Hydride Op tional Cur rent Drain ........................typ i cal 65 mA Tem per a ture Range ..................

  • Page 14: Fea Tures

    In put/Out put. The head set jack will ac cept con trol serves as both an off/on switch and as a many dif fer ent Telex model head sets. Com pat i - vol ume con trol. ble with other in ter com head sets with four pin...
  • Page 15 Fig ure 6 Ex ter nal Con trols, TR-300 -11-...

  • Page 16: In Ter Nal Con Trols

    Fig ure 7 In ter nal Con trols, TR-300 IN TER NAL CON TROLS (Re fer To Fig ure 7) Mi cro phone Gain Con trol: Screw driver ad - Dy namic/Electret Switch:This switch al lows just able by re mov ing belt clip and pry ing out se lec tion of “D”when us ing a Dy namic Mi cro -...

  • Page 17: Equip Ment Set-Up

    EQUIP MENT SET-UP UN PACKING Un pack your BTR-300 and TR-300 Sys tem. If there are any dam ages or short ages, re fer to the “War ranty Ser vice In for ma tion" sec tion in this man ual.

  • Page 18: An Tenna Po Lar Iza Tion

    AN TENNA PO LAR IZA TION The Telex Wire less In ter com Sys tem is “Ver ti - cally Po lar ized". This means both the trans mit - ting and re ceiv ing an ten nas should op er ate in the ver ti cal po si tion.

  • Page 19: Im Proving Re Cep Tion/In Creasing Range

    IN CREASING RANGE Keeping the dis tance from the base (BTR-300) and the belt packs (TR-300) as short , and un - ob structed as pos si ble will pro duce the most re - li able per for mance.

  • Page 20: Btr-300 Set-Up

    The switch is fac tory set for in ter fac - you will be us ing. Af ter set ting this switch, set ing with Telex Audiocom wired in ter com the High/Low switch as shown in the next sec - units.
  • Page 21 For the cor rect set ting cor re spond ing to your wired in ter com unit see Ta ble 2. The switch is Clearcom fac tory set for use with Telex AudioCom or RTS wired in ter coms. Ta ble 2...

  • Page 22: Rack Mounting

    RACK MOUNTING To rack mount the BTR-300 base trans ceiver Place the rack mount brack ets (sup plied) on ei - do the fol low ing: ther side of the unit and in sert three #6-32 x 3/8" screws for each bracket. Tighten the Re move the front two #6-32 x 3/8"...
  • Page 23 Remoting An tennas: It will be nec es sary to You will also need to re mote the trans mit an - re mote both the trans mit and re ceive an ten nas tenna in the same man ner. Con nect a coax ca - on the BTR-300 when it is rack mounted.

  • Page 24: Lo Cal Head Set Con Nec Tion

    (Fig ure 2) if other than a Telex Head set is used. H E A D S E T MI C R O P H O N E SE L E C T...

  • Page 25: In Ter Con Nec Tion To A Hard-Wired In Ter Com

    The RADIOCOM wire less sys tem can be in te - BTR-300. There are two in ter com con nec tions grated into Telex in ter com sys tems and most on the back of the unit, one be ing a male con -...

  • Page 26: Power Con Nec Tion

    Fig ure 23 Con necting Two BTR-300’s CONNECTING AUXILIARY AUDIO SYSTEM DUMMY LOAD Connect the BTR-300 to your aux il iary au dio In the case where a wired in ter com will not be via the Aux il iary in put/out put re cep ta cles on used with the BTR-300, it is im por tant that the the rear of the unit.

  • Page 27: Tr-300 Set-Up

    TR-300 SET-UP HEAD SET CON NEC TION BAT TERY IN STAL LA TION In sert the head set/mi cro phone into the con nec - Insure that the OFF/ON Vol ume con trol knob tor on the bot tom of the unit. See the con nec - is turned OFF.

  • Page 28: Pre-Walk-Thru Checklist

    Lo cated the BTR-300 trans ceiver speaker. prop erly. In stalled bat ter ies in the TR-300 Re - Con nected power to BTR-300 trans - mote Trans ceiver. ceiver.

  • Page 29: Sys Tem Op Er A Tion

    - TR-300 and the BTR-300 “ON”. gin talk ing. Re leasing the talk but ton will dis - con tinue t h e m i cro phone au d i o .

  • Page 30: Tr-300 Op Er A Tion

    - er wise op er ates as de scribed for the TR-300. NOTE:The talk LED will be il lu mi nated when ever the talk func tion is ac ti vated.

  • Page 31: Bat Tery Re Moval

    Typ i cal life of fresh al ka line bat - ter ies with the TR-300 is ap prox i mately 24 hours max i mum, 12-15 hours is typ i cal of fully charged nickle-metal hy dride bat ter ies.

  • Page 32: Setting Sys Tem Gain Levels

    An TR-300 POR TA BLE oc ca sional flash of the overmodulation in di ca - The overmodulation cir cuitry in the TR-300 tor is fine. uses the same LED as the low bat tery cir cuitry.

  • Page 33: In Ter Com Gain

    • Op er ating dis tance be yond sys tem ca pa bil ity. • Old or used bat ter ies in the TR-300 TR-300 Bat tery Check. Un der nor mal con di tions the por ta ble car rier...

  • Page 34: Trou Ble Shooting

    If prob lems per sist with the TR-300 beltpack on, you will prob a bly need to have your sys - tem’s fre quency changed to an other chan nel.

  • Page 35: Bat Tery In For Ma Tion

    NOTE: The AC-1NM is not sup plied with the The AC-1NM will charge the bat ter ies in two TR-300. See the “Ac ces sory” sec tion for or der - TR-300’s si mul ta neously. In sert the plug from ing in for ma tion.
  • Page 36 NOTE: The BC-4 NM is not sup plied with the Full charge of the bat tery pack is ob tained af ter TR-300. See “Ac ces sory” Sec tion for or der ing 12 to 16 hours. A full charge will last 8 to 10 in for ma tion.

  • Page 37: Ac Ces Sories

    Or der No.70741-001 In cludes nec es sary hard ware. In cludes 6 nickle-metal hy dride bat ter ies and 1 car rier. Charges 1 or 2 TR-300’s with out re - Or der No. mov ing the bat tery pack.

  • Page 38: Cus Tomer Ser Vice In For Ma Tion

    Telex re serves the right to make changes in de sign and im prove ment on its prod uct with - out as sum ing any ob li ga tion to in stall the same on any of its prod ucts pre vi ously man u - fac tured.

  • Page 39: Fcc In For Ma Tion

    FCC IN FOR MA TION The Telex Models BTR-300 and TR-300 transceivers are Type Accepted under United States Federal Communications Commission Parts 90 and 74. Licensing of Telex equipment is the user’s responsibility and licensability depends upon the user’s classification, user’s application, and frequency selected. Telex strongly urges the user to contact the appropriate telecommunications authority for any desired clarification.
  • Page 40 9600 Aldrich Ave. So., Min ne ap o lis, Min ne sota, 55420 U.S.A. PN 80 Oct. 1999 Made in U.S.A...

This manual is also suitable for:

Tr-300pBtr-300

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