DRAKE TR270 Manuel du propriétaire Page 1

®© Copyright 1997 R. L. Drake Company P/N: 3851400A-5-1997 Printed in the U. S. A. is a registered trademark of the R. L. Drake Company

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Front Panel Description, continued 74) Program Buttons -1PRIO - Press once to switch the selected transceiver/receiver frequency to the progr

8 Front Panel Display1) 6-Digit Numeric Display Readout - This displayindicates frequency, in ‘MHz’, for the ‘A’ transceiver’scurrent VFO, Pr

Front Panel Display, continued 915) W/N Indicators - Wide or narrow IF filter is selectedfor receiver ‘B’.16) - /+/REV Indicators - Refers to

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Rear Panel Description, continued 116) DC INPUT - This connector is used for powering theTR270 from an external DC source such as a car batte

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The tuning wheel incorporates two-speed tuning.Rotating the tuning wheel faster, results in an increasedtuning speed.- / Button StepsThe button in

14 Setup MenuSETUP MODE NUMBER FUNCTIONOPTION / PARAMETERDESCRIPTIONDISPLAY(factory defaults shown)Automatic RepeaterTransmit

Important Safeguards iTO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCETO RAIN OR MOISTURE.DO NOT OPEN THE CABINET,

SETUP0 = No flow control1 = Hardware handshakingSet:5, 10, 15, 20, or 25 kHzSet:5, 10, 12.5, 15, 20, or 25 kHz0 = no TNC installed orunassigned1 = as

Receiver B InputANTENNA 1ANTENNA 2ANTENNA 2ANTENNA 20 = no audible beep whenbutton is pressed1 = audible beep whenbutton is pressed0 = normal mode1 =

SETUPNUMSETUPSETUPSetup Menu, continued 17SETUP MODE NUMBER FUNCTIONDISPLAY(factory defaults shown)Receiver A - ProgramSTO

SETUPSETUPNUMSETUPNUM18 Setup Menu, continuedSETUP MODE NUMBER FUNCTIONDISPLAY(factory defaults shown) 30..3940..495051525

Setup Menu, continued 19SETUP MODE NUMBER FUNCTIONDISPLAY(factory defaults shown)Sets the delay timebetween the end of aSAT L

20 Memory FunctionsThe TR270 has 400 programmable memory locations thatare allocated as follows:Transceiver ‘A’: 100 memories.Receiver ‘B’: 1

Memory Functions, continued 21Receiver ‘B’:Setup Mode #27 - set for ‘2’, andSetup Mode #40 - Selects list #0. Construct the list with amaxim

22 Scan FunctionsThe TR270 is capable of several different methods andmodes of scanning frequencies.Both Receiver ‘A’ and Receiver ‘B’ provide

Scan Functions, continued 23NOTE 2:1. Signal detection (stop scan on detected carrier) isdependent upon the strength of the signal, the squel

24 Scan Functions, continued-SCAN ALL UNLOCKED MEMORY CHANNELS WITHIN APROGRAMMED RANGE OF MEMORY CHANNELS.For Receiver ‘A’:1) Select SETUP

ii Important Safeguards, continued" INSTALL WIRING ACCORDING TO THE CANADIAN ELECTRICAL CODE""EFFECTUER LE CABLAGE CONFORMEMEN

For Receiver ‘B’:Select LIST scanning:1) Select SETUP #27 - set to ‘2’.SETUPSelect a List and Setup channels in the List:2) Select SETUP #40 (List #0

For Receiver ‘B’:1) Select SETUP #22 - enter the START frequency endpointfrom 136 - 174 MHz or 420 - 470 MHz.SETUPNUM2) Select SETUP #23 - enter the

STANDARD OFFSETSTR270 Repeater Offsets (Auto mode, Setup #00 = 1): Repeater Frequency Offset (MHz)

5) Monitor the frequency prior to actually transmitting toensure that there is no interference with others trying touse the repeater.6) Press and hold

Voice Operation, continued 29INBAND REPEAT AND CROSSBAND REPEAT OPERATIONThe TR270 can be configured to use the 'B' receiver and&ap

30 Voice Operation, continuedRECEIVER ‘B’ SUBAUDIBLE TONE DECODE:If the subaudible tone decoder is enabled for receiver‘B’, the transmitter

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THE AMATEUR SATELLITES - MODES AND FREQUENCIESAs of this printing, there are currently four availableamateur satellites which will support communicati

Additionally, the currently displayed frequencies may becopied to the main VFOs in transceiver ‘A’ and receiver‘B’ for use after exiting the SAT mode.

Table of Contents iiiThank you for purchasing a Drake TR270 FM Transceiver.This transceiver has been designed and manufacturedto high quality

For example, to work the UO-22 satellite:From Table 2, note that Memory Channel 00 selects UO-22 data frequencies.1. Enter the SETUP menu and select S

The TR270 defaults to full duplex operation, whichpermits monitoring the transmitted signal on the down-link during transmit on the uplink frequency.

I N T E R F A C ER S - 2 3 2 CThe TR270 rear panel includes a standard DB-9F connectorwhich conforms to the RS-232C serial data communica-tions standa

Computer Interface with the RS-232C port1) Before connecting your terminal or PC to the TR270,set the data protcol to 9600 Baud, 8 data bits, no parit

FUNCTIONautopatchB bandwidthmemory channelmemory channel lockfreq/ch step, scan dirset frequencyvolume/squelch controlremote volume levelhandwheel fre

The block write commands follow the same logic, andthe data value or string sent in the command is identicalto the report format of the block read com

DATA OPERATIONThe TR270 FM Transceiver has been designed for superiorperformance with 1200 and 9600 BAUD Packet Radiodata rates in addition to its qua

42 Suggested References1) The ARRL Antenna BookPublished by:The American Radio Relay League225 Main StreetNewington, CT 06111 U.S.A.Copyri

Glossary of Terms 431) AMSAT - Amateur Satellite Corporation which designs,builds and coordinates the launching of amateurcommunication sat

44 Notes___________________________________________________________________________________________________________________________________

iv Specifications and AccessoriesRECEIVER 'A' (2M only)Receive Frequency Range:IF Frequencies:Sensitivity:Selectivity:Adjacent Chan

Quick Reference Guide 45Most front panel pushbuttons perform two functions. Thesecond function requires that the NUM* button bepressed fir

46 Quick Reference Guide, continuedMEMORY FUNCTIONSStoring to VFO (page 20) ----------------------------------------------Programming Prior

Quick Reference Guide, continued 47Program to scan a List of Memory Channels (pages 24, 25)Program to scan VFO (pages 16, 17, 25, 26) -----

48 Quick Reference Guide, continuedEnable/Disable Tone (page 7) --------------------------------------DTMF DialingUse DTMF tones (page 28)

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50 Notes___________________________________________________________________________________________________________________________________

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52 ServiceSERVICE INFORMATIONYou may contact R. L. DRAKE Service Department foradditional information or assistance by calling(513) 746-699

One Year Limited WarrantyR.L.DRAKE COMPANY warrants to the original purchaser this product shall be free from defects in material orworkmanship for on

R.L. DRAKE COMPANY230 INDUSTRIAL DRIVEFRANKLIN, OHIO 45005 U. S .A. CUSTOMER SERVICE AND PARTS TELEPHONE: +1 (513) 746-6990 TELEFAX:+1 (513) 743-4576

Introduction - General Description 1DESCRIPTIONThe TR270 is a table-top, base station, amateur radio 2Meter FM Transceiver plus an additional

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Introduction - Safety / Voltage Selection, continued 3WARNING!!!Please read before applying powerThe transceiver is normally shipped for oper

UNPACKINGCarefully remove the transceiver from the shipping cartonand examine it for evidence of damage. If any damageis noted, immediately contact t