Related Manuals for Telex SR-400
Summary of Contents for Telex SR-400
- Page 1 Telex Op er at ing In struc tions ST300 Transmitter SR-400 17 Channel Receiver SR-50 Single Channel Receiver...
- Page 3 WHAT FREQUENCY BAND DOES THE TELEX SYSTEM OPERATE IN? The Telex Sys tems fea ture a syn the sized trans mit ter and sin gle chan nel or syn the sized re ceiv ers op er at - ing in the VHF Band be tween 72-76 MHz. See Ta - ble 1 for stan dard fre quen cies avail able.
- Page 4 Can the re ceiver re ceive other trans mis - sions when the trans mit ter is turned off? n swer: Yes it can. Telex sys tems op er ate in the VHF Band be tween 72-76 MHz. How ever, it is not sus cep ti ble to ra dio wave skip, CB’ers or stan dard...
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Page 5: Technical Information
SR-50 RECEIVER GENERAL DESCRIPTION SR-50 The Telex SR-50 Re ceiver is a com po nent of a sys - tem which op er ates on 17 fac tory pre set chan nels in the 72 to 76 MHz fre quency band. The re ceiv ers are... - Page 6 NOTE: A head phone or other de vice must be plugged in the head phone jack in or der to turn on the SR-400. This is to pre vent drain ing the bat ter ies if the switch is ac ci dently left on.
- Page 7 HEADPHONE JACK E.D.R. VOLUME OFF/ON CONTROL SR-400 17 Chan nel Syn the sized Re ceiver Tem per a ture Range ...0 to +50 de grees C Sup ply Volt age ...2-3 Volts, (2) AA Bat teries Bat tery Life ...16-20 Hrs - Al ka line Fre quency Re sponse ...100-10 kHz 3 dB...
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Page 8: General Description
ST-300 SYNTHESIZED TRANSMITTER General Description The Telex ST-300 is a base sta tion trans mit ter which op er ates in the 72-76 MHz band and ac cepts a wide range of au dio in put lev els. Operating Features 1. - Page 9 1. Chan nel In di ca tor 2. Au dio In put Me ter 3. Fre quency In di ca tor 4. En hanced Dy namic Range Model In di ca tor 5. RF Trans mit Power (High when lit, Norm when not) Au dio In put: ...Bal anced Fe male XLR Mic Se lected...2K ohm in put im ped ance/0.5 mV-70 mV in put range Se lected ...300K ohm in put im ped ance/70 mV-7 Volt in put range...
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Page 10: Equipment Setup
ST-300 Synthesized Transmitter UN PACKING: Un pack your sound en hance ment sys tem. If there are any dam ages or short ages, re fer to the "War ranty Ser vice In for ma tion." ST-300 TRANS MITTER LO CA TION: Se lect a suit able lo ca tion for the ST-300 Trans mit ter. - Page 11 This mode greatly im proves the Au dio Sig nal to Noise Ra tio when used with the Telex Model SR-400 re ceiver. The E.D.R. mode must be se lected on both the trans mit ter and re ceiver to be ef fec tive.
- Page 12 1. In or der to de ter mine whether your se lected fre - quen cies have min i mum in ter fer ence, Telex rec - om mends that you first tem po rarily in stall the re ceiv ers in your pro posed set ting and mon i tor the chan nel for in ter fer ence.
- Page 13 EQUIPMENT OPERATION SR-400 SYNTHESIZED RECEIVER Operation of the SR-400 Receiver Try to keep a clear, un ob structed path be tween the trans mit ter and re ceiver an ten nas for a clear trans - mis sion.
- Page 14 - ceiver to be ef fec tive. 1. To en gage the E.D.R func tion turn the SR-400 off with the vol ume con trol thumb wheel. 2. Press and hold the SET but ton while you turn the SR-400 back on.
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Page 15: Battery Replacement
BATTERY REPLACEMENT The SR-50 and SR-400 Re ceivers use two (2) AA bat ter ies. When the bat ter ies are low the sound will be dis torted. Re place weak bat ter ies with two fresh AA bat ter ies, and po si tion them in the bat tery com - part ment as il lus trated in Fig ure 9. -
Page 16: Battery Information
Antenna Placement Proper an tenna place ment prob a bly has the most ef - fect on your TELEX Wire less Sys tem’s over all per - for mance. Fol low ing the sug ges tions that fol low should re sult in “drop out free” per for mance. - Page 17 This will “de tune” the trans mit ter an tenna which can re sult in loss of sig nal at the re ceiver. LOCATION IS OK Telex power Monitor ST-300 Fig ure 14...
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Page 18: Troubleshooting
15. Change the lo ca tion of the trans mit ter an tenna or avoid the bad area with the re ceiv ers. Make sure the Telex ST-300 is turned on - this will usu ally elim i nate the in ter fer ence sig nal. -
Page 19: Customer Service Information
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 20: Accessories And Parts
The Telex SR-50 Re ceiver, and SR-400 Re ceiver are au tho rized un der part 15 of the FCC Reg u la - tions. Changes or mod i fi ca tions to this equip ment could void the user’s au thor ity to op er ate the equip ment. - Page 22 TELEX COM MU NI CA TIONS, INC. 12000 Port land Ave. South, Bur nsville, MN 55337, U.S.A. PN 804018 Rev. D SEPT 2005 Made in U.S.A.
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