Radio Shack HTX-212, Owner'S Manual

Page 1: ...Cat No 19 1125 OWNER S MANUAL HTX 212 Two Meter Mobile Transceiver Please read before using this transceiver T Shack...

Page 2: ...period ically check the frequency stored in Memory Channel 1 and alert you if there is activity on it Individually Programmable Repeater Offsets let you program different repeater offset frequencies...

Page 3: ...d the sections where the indicator is fully explained Using the Menu lists the options in the configuration menu and gives the page numbers where the options are discussed Quick Reference Card gives b...

Page 4: ...nth 17 Turning On Off Your HTX 212 17 Resetting the HTX 212 else 17 Extending the Transmit Frequency Range 17 Setting Volume and Squelch 18 Using the Light 22e Ue Db dad SER 18 Setting the Power Level...

Page 5: ...ing a Memory Channel 30 USING DTMF AND SUBAUDIBLE TONES 31 Storing a DTMF Sequence 31 Transmitting DTMF Sequence 31 Using DTMF Page cee eee eee 32 Using Group Calling see nnm 32 Using Auto Reply 33 Us...

Page 6: ...eck to be sure you have all the items shown in this illustration Transceiver Power Wiring Harness Rubber Washer x 4 Mounting Bracket Mounting Knob x 4 CONNECTING THE MICROPHONE Plug the microphone s c...

Page 7: ...a vehicle that has a 12 volt nega tive ground electrical system To avoid damaging your vehicle s electronic systems contact your vehicle s manufacturer before you install the HTX 212 to find out about...

Page 8: ...hould have an SWR of less than 1 5 1 SWRs of 1 8 1 or greater can prevent the HTX 212 from perform ing to its specified rating After you select an antenna follow its mounting instructions Then route t...

Page 9: ...part is not insulated from the vehicle s frame by a plastic part 2 Connect the red wire to a source of voltage that turns on and off with the ignition and that can handle the transceiver s 10 amp maxi...

Page 10: ...ors Power Supply DC 13 8V Blaek Antenna Xu Red Follow these steps to connect the HTX 212 as a base station 1 Mount the base station antenna according to its instruc tions Warning For your safety follo...

Page 11: ...USING THE HTX 212 WITH PACKET RADIO You can connect your HTX 212 directly to a packet radio terminal node controller as shown below MIC JACK 1 TONE 2 GROUND 3 CLOCK CPU 4 CONTRO 7 5 V 500 DATA CPU 11...

Page 12: ...uch as Radio Shack Cat No 21 549 The speaker s cable must end in a s inch plug Simply plug the speaker cable into the HTX 2 12 s EXT SP jack If your vehicle has a cassette player you can easily connec...

Page 13: ...ard set of tones is used by many different amateur radio sys tems for accessing programmable features and dialing through autopatches Your HTX 212 produces all 16 standard DTMF tones 0 9 k A C and It...

Page 14: ...gs or on antenna towers so a rela tively low power signal can reach the repeater The repeater retransmits the signal at a higher power This gives users of low power transceivers the ability to communi...

Page 15: ...transmit on VFO B See Using the Dual VFOs for Duplex Operation on Page 27 HIGH or LOW indicates the transmit power level See Setting the Power Level on Page 18 FUNC appears after you press F Flashes...

Page 16: ...receiving a transmission See Receiving Transmissions on Page 23 ON AIR appears when you transmit See Transmitting on Page 24 4 appears when you turn on the Channel 1 alarm Flashes when there is a tra...

Page 17: ...is procedure clears all stored information 1 Turn off the HTX 212 2 While holding down F T SQL turn on the HTX 212 All display elements stay on for about 2 seconds See Extending the Transmit Frequency...

Page 18: ...e squelch to a reasonable setting 1 Rotate SQUELCH fully counterclockwise 2 Set VOLUME so you can hear the background hiss between transmissions Note If you do not hear hissing turn TUNE M CH to selec...

Page 19: ...SELECTING A FREQUENCY You can use any of three methods to select a frequency e Direct entry Tuning e Scanning Directly Entering a Frequency 1 Press VFO to select either VFO A or VFO B 2 Enter the last...

Page 20: ...set the HTX 212 to scan in 5 10 12 5 20 25 50 or 100 kHz steps The default is 20 kHz See Setting the Frequency Step on Page 21 You can program up to five frequencies for the HTX 212 to skip when scann...

Page 21: ...the setting SETTING THE SCAN OPTIONS Storing Scan Skip Frequencies You can store up to five frequencies for your HTX 212 to skip when scanning This lets you prevent the HTX 212 from stopping on beaco...

Page 22: ...expires SE Does not resume scanning 4 Rotate TUNE or press UP or DOWN on the microphone to select the desired option 5 Press MR to save the setting Setting the Scan Resume Delay When you set the scan...

Page 23: ...n limit 7 Rotate TUNE press UP or DOWN on the microphone or directly enter the upper scan limit s last five digits on the microphone s keypad 8 Press MR to save the settings RECEIVING TRANSMISSIONS To...

Page 24: ...button to listen for a reply Notes Ifthe other party advises you to improve your signal press LOW HIGH appears on the display and the HTX 212 trans mits at high power about 45 watts e Ifyou try to tr...

Page 25: ...or oFF if the option is off 5 Rotate TUNE or press UP or DOWN on the microphone to select on to turn on the time out option or oFF to turn off the option 6 Press MR to save the settings TURNING THE K...

Page 26: ...side these ranges the HTX 212 operates with no offset Changing the Default Offset Follow these steps to change the default offset for the VFO modes 1 Press 2 Hold F for at least 1 second FUNC flashes...

Page 27: ...transmit frequency out of the permitted transmit range For example you cannot set the offset to for frequencies less than 145 200 600 kHz above the minimum transmit frequency of 144 600 USING THE DUA...

Page 28: ...last four digits of the receive frequency Press The HTX 212 displays tF and the current transmit frequency If you want to change the transmit frequency enter the last four digits of the desired trans...

Page 29: ...change the transmit frequency or a tone squelch option without changing the receive frequency l Press MR 2 Rotate TUNE or press UP or DOWN on the microphone to select the memory channel you want to ch...

Page 30: ...press A until the HTX 212 displays Lb and the current look back time 4 Rotate TUNE or press UP or DOWN on the microphone to select the desired look back time 4 8 12 or 16 seconds 5 Press MR to save th...

Page 31: ...ore DTMF Memory O 4 Press SHIFT Then use the keypad to enter the sequence you want to store Note DTMF Memories 1 6 hold 15 digits each DTMF Mem 0 holds 7 digits 5 Repeat Steps 3 and 4 to store more DT...

Page 32: ...one Alert on Page 34 Using Group Calling Group calling lets several users be paged at once Each user must have a transceiver that has this feature When the HTX 212 receives at least three DTMF tones f...

Page 33: ...exit the configuration menu To turn off auto reply set the option to OFF in Step 4 USING SUBAUDIBLE TONES Some repeaters require you to transmit a subaudible tone to acti vate them You can set your H...

Page 34: ...ss UP or DOWN on the microphone to set a different receive tone If you do not want a receive tone select oFF 6 Press T SQL to save the settings Activating Subaudible Tone Transmit and Squelch 1 Press...

Page 35: ...ation Available Settings 2 5 ti Scan resume option 22 ti time out in 10 seconds Cr resume after carrier drops SE do not resume scanning Sd 2 0 Scan delay delay before resume when 22 SC is set to Cr 0...

Page 36: ...perating properly check this section for a possible solution Possible Solutions fit is Be sure DTMF is not on the display I press DTMF to turn off DTMF page Problem Signal strength meter shows a signa...

Page 37: ...ve the fuse from the holder and slide the fuse out of the end connectors 3 Ifthe fuse s filament is no longer intact replace the fuse with a 15 amp 17 4 x 4 inch fuse Cat No 270 1073 Caution Use only...

Page 38: ...pply Voltage oe eee 13 8 V DC 415 Intermediate Frequency desta Ae SE BELEN 21 4 MHz 2nd 1E ertet debt Se SE gO 455 MHz Sensitivity 12 AB sinat uuu ex EB lee Rs 0 25 uV 20 dB nq cud eR E ES dE E 0 39 S...

Page 39: ...ions Better than 60 dB Frequency EITOL 4 e he Re ee eee y yy ere 10 ppm Microphone Sensitivity 0 0 0 2 0 eee 4 mV rms CTCSS Tone 0 75 kHz DTMF Tone 3 5 kHz Current Drains 2 24 wy eL Less than 9 A at 4...

Page 40: ...SCHEMATICS 40...

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Page 42: ...47K 47K D a 4 0 R657 T 47K KRC104 E ie Iceo6 LN 93 56 Reo8 R652 1K 50 4 4 9651 47K 1c601 8883 n8471 Y TMP87 Hi R609 Heme aoe MP87CC20 H20 10K poel de T Az C604 47K 104 n 3 ft ME 8 8 iu b 1 8 4 3 4 p...

Page 43: ...MICROPHONE SCHEMATIC MS HOOT bMS 2250 44 Sul 534 3 4...

Page 44: ...oduct subjected to misuse or accidental damage EXCEPT AS PROVIDED HEREIN RADIO SHACK MAKES NO EXPRESS WARRAN TIES AND ANY IMPLIED WARRANTIES ARE LIMITED IN DURATION TO THE DURA TION OF THE WRITTEN LIM...