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INSTRUCTION MANUAL

i2725E

DUAL BAND FM TRANSCEIVER

New2001

IC-2725E_1.qxd 02.12.18 12:58 Page 1 (1,1)

Summary of Contents for IC-2725E

Page 1: ......

Page 2: ...ions for the IC 2725E EXPLICIT DEFINITIONS WORD DEFINITION R WARNING CAUTION NOTE Personal injury fire hazard or electric shock may occur Equipment damage may occur Recommended for optimum use No risk...

Page 3: ...er in direct sunlight or in areas with temperatures below 10 C or above 60 C BE CAREFUL The transceiver will become hot when operat ing it continuously for long periods AVOID setting the transceiver i...

Page 4: ...L DESCRIPTION 1 10 Front panel controller 1 Function display 3 Main unit 5 Microphone HM 133 7 Microphone keypad 8 Optional microphones HM 118N TN 10 2 SETTING A FREQUENCY 11 15 Preparation 11 Using t...

Page 5: ...10 POCKET BEEP AND TONE SQUELCH 51 54 Pocket beep operation 51 Tone DTCS squelch operation 53 Tone scan 54 11 OTHER FUNCTIONS 55 70 Set mode 55 Initial set mode 59 AM FM narrow mode 63 Microphone keys...

Page 6: ...TION CABLE 3 5 m is available for extend the separation cable Optional MB 65 MOUNTING BASE is available for increasing front panel mounting possibilities Optional OPC 440 MICROPHONE CABLE 5 0 m and OP...

Page 7: ...apping screws wInsert the supplied screws nuts and washers through the mounting bracket and tighten eAdjust the angle for your suitable position IMPORTANT Detailed installation notes for Icom mobile t...

Page 8: ...ou th on he Example 2...

Page 9: ...troller to the MB 84 and tighten the controller using with the supplied screws eTighten the controller with bracket Using the optional MB 65 MB 84 Optional MB 65 Adjust the view ing angle for maximum...

Page 10: ...icrophone connectors are available for the IC 2725E one is on the controller side panel and another is on the main unit front panel Connect the supplied microphone to either the desired con nector as...

Page 11: ...3 8 V DC power supply with at least 15 A capacity Make sure the ground terminal of the DC power supply is grounded CONNECTING TO A DC POWER SUPPLY See p 72 for fuse replacement DC power supply 13 8 V...

Page 12: ...shown at left Soft solder the cen ter conductor e Slide the connector body on and solder it r Screw the coupling ring onto the connector body NOTE There are many publications covering proper an tennas...

Page 13: ...r transmission some switches and microphone keys operation are accepted for the main band only Push the desired band s left or right MAIN BAND to se lect the main band Q appears for the main band Usin...

Page 14: ...want to operate Pages 13 and 14 will instruct you on how to set the tuning speed Using the HM 133 You can directly enter the frequency with the HM 133 keypad for the main band MAIN T X MAIN T X MAIN...

Page 15: ...election and the repeater tone setting can be made easily via HM 133 Push DUP 7 TONE for minus duplex DUP 8 TSQLS for plus duplex selection push FUNC then DUP 7 TONE to turn the repeater tone ON MAIN...

Page 16: ...ng a memory channel Push and hold the M CALL MW for 1 sec to program 3 beeps sound Return to VFO mode automatically after the program Memory channel number automatically increases when continuing to p...

Page 17: ...XII QUICK REFERENCE GUIDE lud per ion pro inu Quick reference guide...

Page 18: ...ted Turns DTMF memory encoder ON and OFF when pushed for 1 sec p 47 tDUPLEX MONITOR SWITCH DUP MONI Push to select DUP DUP and simplex operation p 23 Push for 1 sec to switch the monitor function ON a...

Page 19: ...etting of the set mode item and the scanning direction p 40 for the relative band 1SQUELCH CONTROL SQL Varies the squelch level for relative band p 16 The RF attenuator activates and increases the att...

Page 20: ...the tone squelch function is in use p 51 DTCS appears while the DTCS squelch function is in use p 51 S appears with the T SQL or DTCS indicator while the pocket beep function with CTCSS or DTCS is in...

Page 21: ...4 1 PANEL DESCRIPTION 1 c mory 8 7 15 fied sig 20 ears ed 2BUSY INDICATOR Appears when a signal is being received or the squelch is open p 16 Blinks while the monitor function is activated p 16...

Page 22: ...s while transmitting Also rotates while receiving depending on the setting in ini tial set mode p 60 tANTENNA CONNECTOR ANT Connects a 50 antenna with a PL 259 connector and a 50 coaxial cable ANTENNA...

Page 23: ...al for packet operation only Connect ground to transmit data rDATA OUT Data out terminal for 9600 bps operation only tAF OUT Data out terminal for 1200 bps operation only yP SQL Becomes high 5 V when...

Page 24: ...accessed Lights green when DTMF S is activated DTMF sig nals can be transmitted with the keypad u2nd FUNCTION SWITCH FUNC iDTMF SELECT SWITCH DTMF S p 48 oFUNCTION SWITCHES F 1 F 2 p 64 Program and r...

Page 25: ...e DTCS squelch ON p 52 ns the DTCS pocket beep function ON p 52 ns the DTMF memory encoder function p 48 ns the subaudible tone encoder ON p 24 ns the CTCSS pocket beep function p 52 ns the tone squel...

Page 26: ...OFF p 49 s the subaudible tone encoder pocket p or CTCSS DTCS tone squelch OFF pgs 24 52 es the audio p 21 te function is released when any oper on is performed ds a 1750 Hz tone signal for 0 5 sec p...

Page 27: ...CHES UP DN Push either switch to change operating frequency memory channel set mode setting etc Push either switch for 1 sec to start scanning eUP DN LOCK SWITCH Slide to toggle UP DN switches functio...

Page 28: ...h the desired band s MAIN BAND for 1 sec Frequency band initial appears wRotate the same band s DIAL to select the desired fre quency band Pushing Y Z on the microphone also selects the band ePush the...

Page 29: ...g on ver sions disappear In this case push V MHz SCAN again or twice or 3 times depending on version Push M CALL MW to select memory mode indicator appears when memory mode is selected Push VFO LOCK t...

Page 30: ...elect VFO mode if necessary x Push ENT C T OFF to activate the keypad for digit input c Push 6 keys to input a frequency When a digit is mistakenly input push ENT C T OFF to clear the input then repea...

Page 31: ...ush TONE DTMF to exit set mode z Push BAND to select the desired band left or right as the main band Push VFO LOCK to VFO mode if necessary x Push SET B D OFF to enter set mode c Push SET B D OFF or E...

Page 32: ...h FUNC then SQLZ D 16KEY L to switch the microphone keypad lock function ON and OFF PTT VFO LOCK MR CALL BAND Y Z F 1 F 2 DTMF S and FUNC on the micro phone can be used All switches on the transceiver...

Page 33: ...BUSY blinks Push DUP MONI for 1 sec again to cancel the function Push MONI 1 BANK to open the squelch Push BAND to select the desired band left or right as the main band in advance Push MONI 1 BANK a...

Page 34: ...enter initial set mode ePush SET or LOW PRIO to select Att On squelch attenuator item rRotate the left band s DIAL to toggle the function ON and OFF Select OF to deactivate the squelch attenuator func...

Page 35: ...ands using the direct frequency input capability via the keypad or per form the following operation z Push FUNC the push BANK 1 MONI to se lect frequency band selecting condition The frequency band in...

Page 36: ...DIAL to select the condition rPush PWR momentarily to exit initial set mode and return to the previous indications usy beep USING INITIAL SET MODE DISPLAY SUB BAND MUTE BUSY BEEP SUb OF OFF OFF SUb O...

Page 37: ...nt consumption Push LOW PRIO once or twice to select the output power approx The output power can be changed while transmitting The microphone can also be used to select output power Push HIGH 4 DTCS...

Page 38: ...bing the volume setting Push FUNC then SQLY D MUTE to mute audio signals The memory channel number indicator shows the current condition and Si indications alternately Push CLR A MW or any other key t...

Page 39: ...etp 3 Set the duplex shifting direction duplex or duplex Set the offset frequency shifting value if required Setp 4 Set the subaudible tone repeater tone encoder function ON Set the subaudible tone fr...

Page 40: ...set correctly t Release PTT to receive yPush DUP MONI to check whether the other station s transmit signal can be received directly uTo return to simplex operation push DUP MONI once or twice to clea...

Page 41: ...EPEATER OPERATION 4 fre lex lex ON re em the ved m Push SIMP 9 TSQL to return to simplex opera tion DUP or DUP indicator disappears To turn OFF the subaudible tone encoder push FUNC then ENT C T OFF S...

Page 42: ...hen d is displayed in place of the 100 MHz digit cancel the DTMF memory encoder in advance p 49 v Push Y or Z to select and set the desired subaudible tone frequency Push and hold Y Z to change the ab...

Page 43: ...for ring tone when calling etc z Push FUNC The function indicator lights orange x Push M M TONE 1 to transmit a 1750 Hz tone call signal for 0 5 sec push and hold 0 TONE 2 to transmit a 1750 Hz tone...

Page 44: ...nto each mode or channel c Push SET B D OFF to enter set mode v Push SET B D OFF or ENT C T OFF until DUP and offset frequency appear b Push Y or Z to set the desired offset Direct frequency entry fro...

Page 45: ...Z again or push CLR A MW to stop it D Using the keypad z Push BAND to select the desired band as the main band x Push MR CALL to select memory mode c Push ENT C T OFF to activate the keypad for numera...

Page 46: ...elect the memory channel to be pro grammed Memory channels not yet programmed are blank rPush the M CALL MW for 1 sec to program 3 beeps sound Memory channel number automatically increases when contin...

Page 47: ...MAIN T X M Beep Beep Push then for 1 sec and continue to push em sub ces v Push FUNC then CLR A MW for 1 sec to program 3 beeps may sound and the VFO contents including the subaudible tone frequency...

Page 48: ...hen select the desired memory channel via Y Z or keypad Push MR CALL for 1 sec then push Y Z to select the call channel c Push FUNC then CLR A MW for 1 sec to transfer the selected memory call channel...

Page 49: ...ication blink and shows VFO conditions c Push Y Z to select the target memory channel C1 or C2 blinks when the call channel is selected Scan edge channels can also be selected The keypad cannot be use...

Page 50: ...cator and the channel number blink continuously When clearing the call channel the current VFO conditions are re programmed into the call channel automatically t Push the same band s MAIN BAND or V MH...

Page 51: ...ank condition Bank initial blinks c Push Y Z to select the desired bank A to J Only programmed memory bank can be selected v Push CLR A MW to set the bank Initial stops blinking b Push Y Z to select t...

Page 52: ...ht as the main band in advance x Push FUNC then MONI 1 BANK indication blinks c Push CLR A MW to set the channel to bank setting stand by condition indication stops blinking v Push FUNC then CLR A MW...

Page 53: ...and Push MR CALL to select memory mode Push FUNC MONI 1 BANK then select the desired memory bank via Y Z Push CLR A MW to select the bank then select the desired contents via Y Z x Push FUNC then CLR...

Page 54: ...to indicator and memory channel number blink To transfer to the VFO select with the DIAL then push the M CALL MW for 1 sec e Push the M CALL MW for 1 sec to transfer the contents z Push MR CALL for 1...

Page 55: ...Push VFO LOCK to select VFO mode Set the frequency Set other data as desired x Push FUNC then CLR A MW momentarily c Select the call channel via Y or Z v Push FUNC then CLR A MW for 1 sec to program 3...

Page 56: ...are available and scans 1A 1b P1 2A 2b P2 3A 3b P3 4A 4b P4 5A 5b P5 Band edge Band edge Scan edges Scan Jump 1A 2A 3A 4A 5A 1b 2b 3b 4b 5b Start End mory t as ten by usy ater SCAN RESUME CONDITION p...

Page 57: ...Y D MUTE or SQLZ 16KEY L to set the squelch to the point where noise is just muted c Push SCAN 2 T SCAN to start the scan Push Y or Z for 1 sec also starts the scan v Push SET B D OFF to switch full a...

Page 58: ...is automatically selected when continuing to push the M CALL MW after programming t To program a frequency for the other pair of scan edges 1b 2b 3b 4b or 5b repeat steps q and r If the same frequency...

Page 59: ...OPERATION 7 e els sec can g to b To program a frequency for the other scan edge channels repeat steps z to v e 1b M MAIN T X M MAIN T X M MAIN T X M Push then momentarily n for 1 sec and continue to...

Page 60: ...to be a skip channel Direct memory channel selection is also available x Push SET B D OFF to enter set mode c Push SET B D OFF or ENT C T OFF several times until CHS appears as shown at left v Push Y...

Page 61: ...right as the main band x Push SET B D OFF to enter set mode c Push SET B D OFF or ENT C T OFF several times until SCt or SCP appears as shown at left v Push Y or Z to select the scan resume condi tion...

Page 62: ...fre quency priority watch checks for signals on each memory chan nel in sequence The memory skip function is useful to speed up the scan CALL CHANNEL WATCH While operating on a VFO fre quency priorit...

Page 63: ...hen push SCAN 2 to start the memory scan For call channel watch Push MR CALL for 1 sec then push Y or Z to select the call channel c Push PRIO 3 PTT M to start the watch The transceiver checks the mem...

Page 64: ...PRIO move the cursor backward u Repeat the steps t and y to set the desired DTMF tone sequence The S RF indicator shows the digit group The indication in creases every 6 digits i Push TONE DTMF to ex...

Page 65: ...mory MF ents ake ation b Push VFO LOCK to exit the programming condition The CLR A MW key cannot be used to exit If pushed code A is input Reprogram in such a case emory channel d4 MAIN T X M MAIN T...

Page 66: ...microphone lights green c Push the desired DTMF channel 0 to 9 and A to D are available for DTMF memory channels The selected DTMF code is automatically transmit ted without pushing PTT NOTE When no...

Page 67: ...urn power ON and enter initial set mode e Push SET or LOW PRIO several times until dtd appears as shown above r Rotate the left band s DIAL to select the desired speed as shown in the table below t Pu...

Page 68: ...king manually push any key When the beep tones are not stopped manually S continues blinking until PTT is pushed see step o o Push PTT to answer S disappears and cancels the pocket beep function auto...

Page 69: ...one matched with the station s CTCSS tone fre quency or 3 digit DTCS code with polarity is necessary Use the tone squelch on the next page or a subaudible tone en coder pgs 25 26 67 0 69 3 71 9 74 4 8...

Page 70: ...ed tone the squelch does not open However the S RF indicator shows the received signal strength To open the squelch manually push MONI 1 BANK b Operate the transceiver in the normal way push PTT to tr...

Page 71: ...or tone encoder decoder depending on the selected tone condition or type in step w T SQL CTCSS tone encoder decoder DTCS DTCS tone encoder decoder t Push V MHz SCAN to stop the scan z Set the frequen...

Page 72: ...quency Offset frequency DTCS polarity DTCS code from memory mode only from left band only anel or microphone nel or microphone ain m or z Push BAND to select the main band x Push SET B D OFF to enter...

Page 73: ...es D D DTCS code Sets DTCS code both encoder and decoder for DTCS squelch operation Total of 104 codes are available default 023 MAIN T X DTCS M 67 0 69 3 71 9 74 4 77 0 79 7 82 5 85 4 88 5 91 5 94 8...

Page 74: ...en re sumes SCP 2 Pause on a signal until signal disap pears then resumes 2 sec after the sig nal disappears D D Channel skip setting Sets channel skip setting from ON and OFF for memory skip scan ope...

Page 75: ...tations spurious or the transceiver s internal oscillator This item can also be switched by pushing SET while transmitting pushing and holding PTT for sub band non main band setting It is helpful in c...

Page 76: ...select the desired item e Rotate left band s DIAL to select the condition or value r Push PWR momentarily to exit initial set mode ON N X MAIN T X MAIN T X MAIN T X MAIN T X MAIN T X N X ey touch beep...

Page 77: ...n the transceiver is turned OFF by the auto power OFF function To cancel the function select OF in this set mode D D Cooling fan control Selects the cooling fan control condition from Auto and ON Auto...

Page 78: ...uator does not function D D Active band Selects the frequency selecting condition via DIAL or Y Z on the microphone from all AL and single SI All AL The operating frequency can be selected continuousl...

Page 79: ...62 11 OTHER FUNCTIONS 11 MF apa...

Page 80: ...uency band or memory channel on the left band x Set the desired frequency or memory channel c Push SET B D OFF to enter set mode v Push SET B D OFF or ENT C T OFF to select nAr item or COn item Select...

Page 81: ...power selection Tuning step Operating mode selection FM AM Set mode settings Initial set mode settings Only when storing both bands conditions Programming the both bands condition After setting the d...

Page 82: ...wer OFF After waiting a few seconds turn power ON again If the problem persists per form the following procedure Partial resetting is also available See left for details IMPORTANT Resetting the transc...

Page 83: ...CLOnE OUt appears in the master transceiver s display and the S RF indicators show that data is being transferred to the sub transceiver CLOnE In appears automatically in the sub transceiver s dis pl...

Page 84: ...ode For 1200 bps operation Disconnect the microphone plug from the microphone connector during data transmission otherwise the data signal and voice signal are simultaneously transmitted For 9600 bps...

Page 85: ...your TNC carefully before attempting packet operation with the transceiver Pin t AF OUT is for 1200 bps operation only This pin cannot be used for 9600 bps operation Over modulation may degrade signa...

Page 86: ...When pushing PTT during data transmission data transmission is interrupted and the voice signal takes pri ority Read the instructions supplied with your TNC carefully before attempting packet operatio...

Page 87: ...r preference q While pushing SET turn power ON to enter initial set mode w Push SET or LOW PRIO to select the PAC item e Rotate the left band DIAL to select the desired band from auto At default left...

Page 88: ...ch or key to deactivate it Set the squelch level to the threshold Turn the appropriate function OFF Check and if necessary replace the feedline or sol der the antenna connector again Set SQL between 1...

Page 89: ...to check whether the channel has been programmed or not Set the squelch to the threshold point Program other memory channels or cancel the memory skip function in the desired channels Cancel the watch...

Page 90: ...38 85 MHz 2nd 450 kHz Right band 1st 46 05 MHz 2nd 455 kHz Sensitivity FM at 12 dB SINAD AM at 10 dB S N 144 MHz band Less than 0 18 V 0 45 V typ 430 MHz band Less than 0 18 V Squelch sensitivity thre...

Page 91: ...Cable length 1 5 m OPC 347 1132 DC POWER CABLES OPC 347 7 0 m OPC 1132 3 0 m Same as that supplied with the transceiver CS 2720 CLONING SOFTWARE OPC 478U CLONING CABLE Provides quick and easy programm...

Page 92: ...LOW PRIO SET LOW PRIO PWR Key touch beep p 60 Time out timer p 60 Auto power off p 60 Active band p 61 DTMF speed p 62 Sub band mute p 62 SET MODE MORY NEL p 37 INITIAL SET MODE Display dimmer p 56 Di...

Page 93: ...N T X M DTCS MAIN T X DTCS M MAIN T X DUP M Data speed p 60 Packet operation band p 61 Squelch delay p 61 Microphone sensitivity p 61 6 DTCS polarity p 57 Offset frequency p 57 Tuning step p 57 Scan r...

Page 94: ...tions Terminal applicable Essential Test ANSCEIVER E he following harmonised 9 15 D sseldorf 20 Sep 2002 Place and date of issue Icom Europe GmbH Himmelgeister stra e 100 D 40225 D sseldorf Authorized...

Page 95: ...15...

Page 96: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan...

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