Kenwood TM-271 Instruction Manual Download Page 44

Page: 44 / 80

While in Channel Display mode, you cannot activate the
following functions:

•

VFO Mode

•

VFO Scan

•

Call/VFO Scan

•

MHz Scan

•

Scan Direction

•

Memory Store

•

Memory to VFO Transfer

•

Memory to Memory Transfer

•

Clear Memory Channel

•

VFO Reset

•

Full Reset

•

1 MHz Step

•

Selection for Tone and Selective Call

•

Auto Simplex Checker

•

Menu Mode

To recover normal operation, turn the transceiver power
OFF and press

[REV]+[ ]

(Power) again.

Note:

◆

To enter the Channel Display Mode, you must have at least one
Memory Channel that contains data.

◆

If the Memory Channel contains a Memory Name, the Memory
Name is displayed in place of “CH”.

Summary of Contents for TM-271

Page 1: ... B62 1804 00 K E M2 M3 M4 09 08 07 06 05 04 03 02 01 00 INSTRUCTION MANUAL 144 MHz FM TRANSCEIVER VHF FM TRANSCEIVER TM 271A 144 MHz FM TRANSCEIVER TM 271E TM 271 MENU ...

Page 2: ... MHz FM Transceiver MARKET CODES K The Americas E Europe Mn General Where n represents a variation number The market code is printed on the barcode label of the carton box Refer to the product specifications pages 71 72 for information on the available operating frequencies within each model For accessories supplied with the model refer to page 1 FEATURES Weather Alert Radio function checks the 10...

Page 3: ...NFORMATION TO THE DIGITAL DEVICE USER REQUIRED BY THE FCC This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can generate radio frequency energy and if not installed ...

Page 4: ...MPLEX REPEATER OR ODD SPLIT MEMORY CHANNEL 28 STORING SIMPLEX FREQUENCIES OR STANDARD REPEATER FREQUENCIES 29 STORING ODD SPLIT REPEATER FREQUENCIES 30 SUPPLIED ACCESSORIES 1 WRITING CONVENTIONS FOLLOWED IN THIS MANUAL 1 CHAPTER 1 PREPARATION MOBILE INSTALLATION 2 DC POWER CABLE CONNECTION 3 Mobile Operation 3 Fixed Station Operation 4 Replacing Fuses 5 ANTENNA CONNECTION 5 ACCESSORY CONNECTIONS 6...

Page 5: ...UTO POWER OFF 54 BEAT SHIFT 54 S METER SQUELCH 54 SQUELCH HANG TIME 55 BEEP FUNCTION 55 BUSY CHANNEL LOCKOUT 56 RECALLING A MEMORY CHANNEL 30 USING THE TUNING CONTROL 30 USING THE MICROPHONE KEYPAD 31 CLEARING A MEMORY CHANNEL 31 NAMING A MEMORY CHANNEL 32 MEMORY CHANNEL TRANSFER 33 MEMORY VFO TRANSFER 33 CHANNEL CHANNEL TRANSFER 33 CALL CHANNEL 35 RECALLING THE CALL CHANNEL 35 REPROGRAMMING THE C...

Page 6: ...ONLY 59 NARROW BAND FM OPERATION 60 POWER ON MESSAGE 60 PROGRAMMABLE VFO 61 TIME OUT TIMER 62 CHAPTER 12 MICROPHONE CONTROL MIC LOCK 64 CHAPTER 13 OPTIONAL ACCESSORIES CHAPTER 14 TROUBLESHOOTING MAINTENANCE 66 GENERAL INFORMATION 66 SERVICE 66 SERVICE NOTE 66 CLEANING 67 RESETTING THE TRANSCEIVER 67 INITIAL SETTINGS 67 FULL RESET 67 VFO RESET 68 TROUBLESHOOTING 69 SPECIFICATIONS INDEX ...

Page 7: ... K d r a c y t n a r r a W 1 l a u n a m n o i t c u r t s n I X X 4 0 8 1 2 6 B 1 WRITING CONVENTIONS FOLLOWED IN THIS MANUAL The writing conventions described below have been followed to simplify instructions and avoid unnecessary repetition n o i t c u r t s n I o d o t t a h W s s e r P Y E K e s a e l e r d n a s s e r P Y E K s s e r P s 1 Y E K d l o h d n a s s e r P Y E K r o d n o c e s ...

Page 8: ...ide your vehicle that minimizes danger to your passengers and yourself while the vehicle is in motion Consider installing the unit at an appropriate position so that knees or legs will not strike it during sudden braking of your vehicle Try to pick a well ventilated location that is shielded from direct sunlight 1 Install the mounting bracket in the vehicle using the supplied self tapping screws 4...

Page 9: ...ficient current capacity If the current to the transceiver is insufficient the display may darken during transmission or transmit output power may drop excessively 1 Route the DC power cable supplied with the transceiver directly to the vehicle s battery terminals using the shortest path from the transceiver If using a noise filter it should be installed with an insulator to prevent it from touchi...

Page 10: ...AC outlet until you make all connections FIXED STATION OPERATION In order to use this transceiver for fixed station operation you will need a separate 13 8 V DC power supply not included The recommended current capacity of your power supply is 12 A 1 Connect the DC power cable to the regulated DC power supply and ensure that the polarities are correct Red positive Black negative Do not directly co...

Page 11: ...ed antenna The success of your installation will depend largely on the type of antenna and its correct installation The transceiver can give excellent results if the antenna system and its installation are given careful attention Use a 50 Ω impedance antenna and low loss coaxial feed line that has a characteristic impedance of 50 Ω to match the transceiver input impedance Coupling the antenna to t...

Page 12: ...ab clicks Attach the supplied microphone hanger in an appropriate location using the screws included in the screw set Microphone hanger Microphone hanger screw 3 mm x 10 mm Keypad serial data No Connection MIC 600 Ω impedance GND MIC PTT GND DC 8 V 100 mA max No Connection PC CONNECTION To utilize the optional MCP 1A software you must first connect the transceiver to your PC using an optional Prog...

Page 13: ... o 5 1 R P s p b 0 0 2 1 d e t c e t e d f o t u p t u O V m 0 0 5 a t a d P P k 0 1 6 C Q S t u p t u o l o r t n o c h c l e u q S g n i t t i m s n a r t a t a d C N T s t i b i h n I n e p o s i h c l e u q s r e v i e c s n a r t e l i h w e c i o v o t e c n e r e f r e t n i s t n e v e r P e m a s e h t n o s n o i t a c i n u m m o c s e i r t e r s t n e v e r p o s l A y c n e u q e r f...

Page 14: ...y The various indicators and the current operating frequency appear on the LCD The transceiver stores the current parameters when it is turned OFF and automatically recalls those parameters the next time you turn the transceiver ON w Turn the Volume control clockwise to the 9 o clock position e Turn the Tuning control to select a reception frequency You may further turn the Volume control to adjus...

Page 15: ...up Scan page 42 Press F then press MENU to enter Menu Mode page 18 Turn to select Operating frequencies when in VFO Mode page 15 Memory Channels when in Memory Recall Mode page 30 Menu Nos when in Menu Mode page 18 Scan direction while scanning pages 27 39 47 49 e e e e e CALL key Press to recall the Call Channel page 35 Press and hold for 1 second while in VFO Mode to begin Call VFO Scan page 43 ...

Page 16: ...equency and receive frequency when operating with an offset page 23 or an odd split Memory Channel page 28 Press F then press REV and rotate the Tuning control to increase or decrease the squelch level page 14 u u u u u F key Press and hold for 1 second to lock the transceiver keys page 58 Press momentarily to access the second functions of the transceiver keys DISPLAY i u y t r q w e 1 2 4 3 o 5 ...

Page 17: ...is ON page 58 4 Appears when the Memory Channel Lockout function is ON page 44 5 Shows the strength of transmitted page 15 and received page 54 signals indicates the squelch is open and the frequency is busy It also appears when the squelch is set to minimum page 14 If using CTCSS or DCS it indicates the squelch is open due to a received signal that contains the same CTCSS tone or DCS code that is...

Page 18: ...sired connect an optional external speaker for clearer audio This jack accepts a 3 5 mm 1 8 mono 2 conductor plug See page 6 MICROPHONE q q r t y u i w e q q q q q PTT Push to Talk switch Press and hold to transmit Release to receive w w w w w DWN key Press to lower the operating frequency Memory Channel number Menu Number etc Hold down to repeat the action Also press to switch between values for ...

Page 19: ...transmit D i i i i i DTMF keypad This 16 key keypad is used for DTMF functions page 50 or to directly enter an operating frequency page 16 or a Memory Channel number page 30 The keypad can also be used to program a Memory Channel name Power on message or other character strings page 63 MIC KEYPAD DIRECT ENTRY The microphone keypad keypad models only allows you to make various entries depending on ...

Page 20: ...ONI function page 59 then adjust the Volume control to a comfortable audio output level Press the MONI key again to cancel the Monitor function ADJUSTING THE SQUELCH The purpose of Squelch is to mute the speaker when no signals are present With the squelch level correctly set you will hear sound only while actually receiving signals The higher the selected squelch level the stronger the signals mu...

Page 21: ...not be adjusted It is fixed at 25 W You can configure different power levels for transmission 1 Press F MENU and turn the Tuning control to select Menu No 6 TXP 2 Press MENU and turn the Tuning control to select H high default or L low power 3 Press MENU to store the setting or any other key to cancel 4 Press any key other than MENU to exit Menu Mode Do not transmit at high output power for an ext...

Page 22: ...pressing Mic UP DWN there is another way to select the frequency When the desired frequency is far away from the current frequency you can directly enter a frequency using the Mic keypad keypad models only 1 Press VFO You must be in VFO mode to make a direct frequency entry 2 Press the Mic PF key assigned the ENTER function page 59 3 Press the numeric keys 0 to 9 to enter your desired frequency Pr...

Page 23: ... 0 0 0 Example 3 To change 144 650 MHz to 145 650 MHz Key in Display 1 4 4 6 5 0 Enter 1 4 5 1 4 5 Mic VFO 1 4 5 6 5 0 Note If the entered frequency does not match the current frequency step size the frequency is automatically rounded down to the next available frequency When the desired frequency cannot be entered exactly confirm the frequency step size page 56 ...

Page 24: ...without using many controls and switches MENU ACCESS 1 Press F MENU A brief explanation of the menu and the setting and Menu No appear on the display Menu Name Setting Menu Number 2 Turn the Tuning control to select your desired Menu As you change the Menu No a brief explanation of each menu appears along with its current parameter 3 Press MENU to configure the parameter of the currently selected ...

Page 25: ...6 Q S S 8 h c l e u q s r e t e M S F F O N O F F O 4 5 H Q S 9 e m i t g n a h h c l e u q S s m 0 0 5 0 5 2 5 2 1 F F O F F O 5 5 T E S F F O 0 1 y c n e u q e r f t e s f f o r e t a e p e R z H M 5 9 9 6 0 z H k 0 0 6 3 2 O R A 1 1 t e s f f O r e t a e p e R c i t a m o t u A F F O N O e e s s e i r a V e g a p e c n e r e f e r 5 2 I R P 2 1 n a c S y t i r o i r P F F O N O F F O 3 4 N A C ...

Page 26: ... a N F F O N O F F O 0 6 C N E 7 2 k c o l l o r t n o c g n i n u T F F O N O F F O 8 5 R M F M T D 8 2 r e l a i d c i t a m o t u A s t i g i d 6 1 o t p U 1 5 D P S 9 2 d e e p s X T F M T D L S A F A F 2 5 H T D 0 3 d l o h X T F M T D F F O N O F F O 1 5 A P 1 3 d o i r e p e s u a p F M T D s m 0 0 0 2 0 0 5 1 0 0 0 1 0 5 7 0 0 5 0 5 2 0 0 1 0 0 5 3 5 L T D 2 3 k c o l y e k F M T D F F O N...

Page 27: ...N O T O F V 9 5 4 F P 8 3 e l b a m m a r g o r p e n o h p o r c i M y e k n o i t c n u f L L A C R M O F V 0 5 7 1 R E T N E I N O M N I C N I M V M L Q S V E R Z H M K C O L T H G I R B W O L T F I H S U N E M P E T S E N O T L L A C 9 5 T D 9 3 d e e p s X T a t a D s p b 0 0 6 9 0 0 2 1 0 0 2 1 8 5 T H G I R B 0 4 s s e n t h g i r b y a l p s i D l e v e l m u m i x a M 7 5 R B A 1 4 s s e ...

Page 28: ...tandard or non standard offset odd split In addition some repeaters must receive a tone from the transceiver to be accessed For details consult your local repeater reference TX 144 725 MHz TX tone 88 5 Hz RX 145 325 MHz TX 144 725 MHz TX tone 88 5 Hz RX 145 325 MHz OFFSET PROGRAMMING FLOW q w e r t Select a receive frequency Select an offset direction Select an offset frequency only when programmi...

Page 29: ...djust the reception frequency so that the transmit frequency is within the band limits or change the offset direction Note While using an odd split memory channel or transmitting you cannot change the offset direction SELECTING AN OFFSET FREQUENCY To access a repeater which requires an odd split frequency pair change the offset frequency from the default which is used by most repeaters The default...

Page 30: ...the setting or any other key to cancel 4 Press any key other than MENU to exit Menu Mode Available Tone Frequencies z H s e i c n e u q e r F e n o T 2 4 0 7 6 4 5 8 2 7 0 1 5 6 3 1 8 3 7 1 1 8 1 2 3 9 6 5 8 8 9 0 1 1 3 1 4 1 9 9 7 1 7 5 2 2 9 1 7 5 1 9 8 4 1 1 2 6 4 1 2 6 8 1 1 9 2 2 4 4 7 8 4 9 8 8 1 1 4 1 5 1 8 2 9 1 6 3 3 2 0 7 7 4 7 9 0 3 2 1 7 6 5 1 5 3 0 2 8 1 4 2 7 9 7 0 0 0 1 3 7 2 1 2 2 ...

Page 31: ...y other key to cancel 4 Press any key other than MENU to exit Menu Mode TRANSMITTING A 1750 Hz TONE Call Channel default settings On E market models pressing CALL causes the transceiver to transmit a 1750 Hz tone On K and M market models pressing CALL changes the transceiver to the Call Channel page 35 Most of the repeaters in Europe require the transceiver to transmit a 1750 Hz tone To change the...

Page 32: ...ncy outside the allowable range an error tone sounds and the function does not operate If pressing REV places the transmission frequency outside the allowable range pressing Mic PTT causes an error tone to sound and transmission is inhibited You cannot switch Reverse ON or OFF while transmitting AUTOMATIC SIMPLEX CHECK ASC While using a repeater the ASC function periodically checks the strength of...

Page 33: ...the Tone Frequency ID Scan When the transceiver receives a signal scan starts The decimal point blinks during scan While the transceiver is receiving a signal during Tone Frequency ID Scan the signal is emitted from the speaker To reverse the scan direction turn the Tuning control To quit the function press any key When the tone frequency is identified a beep sounds and the identified frequency bl...

Page 34: ... other key to cancel Note If you change the Memory Channel capacity from 200 channels to 100 channels after having stored data in channels 100 to 199 all Memory Channel data in channels 100 to 199 will be erased If you change the Memory Channel capacity from 100 channels to 200 channels after storing Memory Names in those channels the Memory Name data will be erased SIMPLEX REPEATER OR ODD SPLIT M...

Page 35: ...a h C y r o m e M s e Y s e Y Yes Can be stored in memory N A Cannot be stored in memory Note Memory Channel Lockout cannot be set to the Program Scan Memory L0 U0 L2 U2 the Priority Channel Pr or the Weather Alert Channel AL Tone CTCSS and DCS are automatically turned OFF when setting up the Weather Alert Channel AL STORING SIMPLEX FREQUENCIES OR STANDARD REPEATER FREQUENCIES 1 Press VFO 2 Turn t...

Page 36: ... 1 to 6 given for simplex or standard repeater frequencies page 29 2 Turn the Tuning control or press Mic UP DWN to select your desired transmission frequency 3 Press F 4 Turn the Tuning control or press Mic UP DWN to select the pre programmed reception Memory Channel in which you want to store the data 5 Press MR 1s The transmission frequency is stored in the Memory Channel Note When you recall a...

Page 37: ...l an odd split memory channel and appear on the display Press REV to display the transmission frequency After recalling a Memory Channel you may modify data such as Narrow Band Tone or CTCSS However these settings are cleared once you select another channel or the VFO Mode To permanently store the data overwrite the channel contents CLEARING A MEMORY CHANNEL To erase an individual Memory Channel 1...

Page 38: ... keypad keypad models only to enter alphanumeric characters page 64 5 Press MR The cursor moves to the next digit To move to the previous digit press VFO To delete the character at the current cursor position press F 6 Repeat steps 4 and 5 to enter up to 6 digits 7 Press MENU to complete the entry Press any key other than MR VFO F and MENU to cancel the entry To complete an entry of less than 6 ch...

Page 39: ...ission frequency To copy the transmit frequency of an odd split channel press REV before performing the transfer You can also transfer the Program Scan memory channels L0 U0 L2 U2 the Priority Channel Pr and the Weather Alert Channel AL K market models only to the VFO Lockout status and Memory Names are not copied from a Memory Channel to the VFO CHANNEL CHANNEL TRANSFER You can copy channel infor...

Page 40: ...a L A r P 2 U 2 L 0 U 0 L 2 y c n e u q e r f e v i e c e R a y c n e u q e r f e v i e c e R y c n e u q e r f t i m s n a r T a y c n e u q e r f t i m s n a r T y c n e u q e r f e n o T a y c n e u q e r f e n o T n o i t c e r i d t e s f f O a n o i t c e r i d t e s f f O y c n e u q e r f S S C T C a y c n e u q e r f S S C T C e d o c S C D a e d o c S C D S C D S S C T C e n o T s u t a ...

Page 41: ...all the Call Channel The Call Channel frequency and C appear To return to the previous frequency press CALL again REPROGRAMMING THE CALL CHANNEL 1 Select your desired frequency and related data Tone CTCSS DCS or offset direction etc When you program the Call Channel as an odd split channel select a reception frequency first 2 Press F A Memory Channel number appears and blinks 3 Turn the Tuning con...

Page 42: ...ncy using the Tuning control or Mic UP DWN 3 Press F A Memory Channel number appears and blinks 4 Turn the Tuning control or press Mic UP DWN to select the Alert Channel AL 5 Press MR z H M s e i c n e u q e r F o i d a R r e h t a e W 1 X W 2 X W 3 X W 4 X W 5 X W 6 X W 7 X W 0 5 5 2 6 1 0 0 4 2 6 1 5 7 4 2 6 1 5 2 4 2 6 1 0 5 4 2 6 1 0 0 5 2 6 1 5 2 5 2 6 1 Note When you perform Full Reset page ...

Page 43: ...checks the Weather Alert tone once every second while you are monitoring another frequency or channel When a 1050 Hz tone is detected the display will change to the AL channel the Weather Alert tone sounds and the WX icon blinks Squelch remains open until the frequency is changed or the transceiver power is turned OFF If the transceiver is transmitting or receiving a signal on another frequency th...

Page 44: ...r Clear Memory Channel VFO Reset Full Reset 1 MHz Step Selection for Tone and Selective Call Auto Simplex Checker Menu Mode To recover normal operation turn the transceiver power OFF and press REV Power again Note To enter the Channel Display Mode you must have at least one Memory Channel that contains data If the Memory Channel contains a Memory Name the Memory Name is displayed in place of CH ...

Page 45: ... c S O F V d n a l e n n a h C l l a C e h t s n a c S y c n e u q e r f O F V t n e r r u c e h t y r o m e M l e n n a h C d n a l e n n a h C l l a C e h t s n a c S l e n n a h C y r o m e M d e t c e l e s e h t n a c S y t i r o i r P e h t n o s e i t i v i t c a e h t s k c e h C y r e v e r P l e n n a h C y t i r o i r P s d n o c e s 3 Note When the CTCSS or DCS function is activated th...

Page 46: ... Press any key other than F or Power to stop Band Scan Note The transceiver scans the frequency range that is stored in Menu No 7 P VFO page 61 If you select a frequency within the L0 U0 L2 U2 range in step 2 Program Scan starts PROGRAM SCAN You can limit the scanning frequency range There are 3 memory channel pairs L0 U0 L2 U2 available for specifying the start and end frequencies Program Scan mo...

Page 47: ...ram Scan Memory Channel number has priority If the step size of the current VFO frequency is different from that of the programmed frequencies VFO Scan begins instead of Program Scan To perform Program Scan the L channel must be lower than the U channel Otherwise Band Scan starts page 40 MHZ SCAN MHz Scan allows you to scan an entire 1 MHz frequency range within the current VFO frequency 1 Press V...

Page 48: ...ups of 20 channels When Menu No 15 M CH is set to 100 the transceiver uses 5 groups of 20 channels When Menu No 15 M CH is set to 200 the transceiver uses 10 groups of 20 channels 1 Press MR and turn the Tuning control or press Mic UP DWN to select a Memory Channel in the range of the group you want to scan 2 Press MENU 1s Scan starts from the selected Memory Channel number and ascends up through ...

Page 49: ...o 19 prior to using Call Scan Otherwise a 1750 Hz tone will be transmitted You can perform Call Scan even if the recalled Memory Channel has been locked out page 44 PRIORITY SCAN You may sometimes want to check your favorite frequency activities while monitoring other frequencies In this case use the Priority Scan function Priority Scan checks the activities of the Priority Channel every 3 seconds...

Page 50: ...N the Weather Alert function is automatically turned OFF MEMORY CHANNEL LOCKOUT You can lock out Memory Channels that you prefer not to monitor during Memory Scan or Group Scan page 42 1 Press MR and turn the Tuning control or press Mic UP DWN to select the Memory Channel to be locked out 2 Press F MENU and turn the Tuning control to select Menu No 14 L OUT 3 Press MENU and turn the Tuning control...

Page 51: ...signal drops out There is a 2 second delay between signal dropout and scan resumption Seek Mode The transceiver moves to a frequency or Memory Channel where a signal is present and stops To change the scan resume method 1 Press F MENU and turn the Tuning control to select Menu No 13 SCAN 2 Press MENU and turn the Tuning control to select TO Time Operated default CO Carrier Operated or SE Seek Mode...

Page 52: ...the 42 tone frequencies listed in the table on page 47 The list includes 37 EIA standard tones and 5 non standard tones To activate CTCSS press F CALL As you press F CALL the selection cycles as follows OFF TONE CTCSS DCS OFF CT appears on the upper part of display indicating that the CTCSS function is activated When CTCSS is ON you will hear calls only when the selected CTCSS tone is received To ...

Page 53: ...ion ON Available CTCSS Tone Frequencies z H s e i c n e u q e r F e n o T 2 4 0 7 6 4 5 8 2 7 0 1 5 6 3 1 8 3 7 1 1 8 1 2 3 9 6 5 8 8 9 0 1 1 3 1 4 1 9 9 7 1 7 5 2 2 9 1 7 5 1 9 8 4 1 1 2 6 4 1 2 6 8 1 1 9 2 2 4 4 7 8 4 9 8 8 1 1 4 1 5 1 8 2 9 1 6 3 3 2 0 7 7 4 7 9 0 3 2 1 7 6 5 1 5 3 0 2 8 1 4 2 7 9 7 0 0 0 1 3 7 2 1 2 2 6 1 5 6 0 2 3 0 5 2 5 2 8 5 3 0 1 8 1 3 1 9 7 6 1 7 0 1 2 1 4 5 2 CTCSS FREQ...

Page 54: ...S Frequency ID Scan does not scan the tone if a signal is not detected DCS DCS is similar to CTCSS However instead of using an analog audio tone it uses a continuous sub audible digital waveform that represents a 3 digit octal number You can select a DCS code from among the 104 DCS codes listed in the table below To activate DCS press F CALL As you press F CALL the selection cycles as follows OFF ...

Page 55: ...coming DCS code on the received signal You may find this useful when you cannot recall the DCS code that the other persons in your group are using 1 Press F MENU and turn the Tuning control to select Menu No 4 DCS 2 Press MENU 1s to start the DCS Code ID Scan function While scanning the decimal point between DCS and the DCS code blinks To quit the function press any key When a DCS code is identifi...

Page 56: ...ress the keys in sequence on the keypad to send the DTMF tones The corresponding DTMF tones are transmitted z H q e r F 9 0 2 1 6 3 3 1 7 7 4 1 3 3 6 1 7 9 6 1 2 3 A 0 7 7 4 5 6 B 2 5 8 7 8 9 C 1 4 9 0 D When DTMF TX Hold is activated page 51 you do not need to continuously press Mic PTT to remain in transmission mode However transmission mode is retained for only 2 seconds after pressing a key so...

Page 57: ...ng string of digits STORING A DTMF NUMBER IN MEMORY 1 Press F MENU and turn the Tuning control to select Menu No 28 DTMF MR 2 Press MENU and turn the Tuning control to select your desired DTMF Memory Channel number from 0 to 9 You can also select a DTMF Memory Channel by using Mic UP DWN 3 Press MENU The DTMF code entry display appears and the first digit blinks 4 Turn the Tuning control to select...

Page 58: ... desired DTMF Memory Channel number To transmit tone D press Mic PF D again The number stored in the channel scrolls across the display accompanied by DTMF tones from the speaker DTMF tones are not emitted if Menu No 33 DT M is set to OFF After transmission the frequency display is restored 3 Release Mic PTT Note If you select an empty DTMF Memory Channel and press MENU the frequency display is re...

Page 59: ... cancel 4 Press any key other than MENU to exit Menu Mode DTMF LOCK You sometimes may want to disable the keypad to avoid accidental DTMF transmission In this case turn the DTMF Lock function ON 1 Press F MENU and turn the Tuning control to select Menu No 32 DT L 2 Press MENU and turn the Tuning control to select ON or OFF default 3 Press MENU to store the setting or any other key to cancel 4 Pres...

Page 60: ...y presses no control adjustments and no PC control command sequences are detected The APO warning beep sounds even if Menu No 24 BP page 55 is set to OFF or the volume level is 0 BEAT SHIFT Since the transceiver uses a microprocessor to control various functions of the transceiver the CPU clock oscillator s harmonics or image may appear on some spots of the reception frequencies In this case turn ...

Page 61: ...st the time interval between when the received signals drop and when the squelch closes 1 Press F MENU and turn the Tuning control to select Menu No 9 SQH 2 Press MENU and turn the Tuning control to select from OFF default 125 250 and 500 ms 3 Press MENU to store the setting or any other key to cancel 4 Press any key other than MENU to exit Menu Mode BEEP FUNCTION The Beep function provides confir...

Page 62: ...g control to select ON or OFF default 3 Press MENU to store the setting or any other key to cancel 4 Press any key other than MENU to exit Menu Mode FREQUENCY STEP SIZE Choosing the correct frequency step size is essential in selecting your exact receive frequency using the Tuning control or Mic UP DWN You can select your desired frequency step size from 2 5 kHz 5 kHz 6 25 kHz 10 kHz 12 5 kHz 15 k...

Page 63: ...U and turn the Tuning control to select Menu No 40 BRIGHT 2 Press MENU and turn the Tuning control to adjust the display brightness 3 Press MENU to store the setting or any other key to cancel 4 Press any key other than MENU to exit Menu Mode Note Setting the brightness to OFF minimum level 1 will turn the front panel key backlight OFF AUTOMATIC BACKLIGHT When using automatic backlight the display...

Page 64: ... the transceiver operating mode by pressing Power any key Microphone PF keys page 59 operate normally even if the Lock function is ON DATA COMMUNICATION SPEED When the transceiver is connected to a TNC page 7 E market models only you can adjust the communication speed between 1200 bps and 9600 bps 1 Press F MENU and turn the Tuning control to select Menu No 39 DT 2 Press MENU and turn the Tuning c...

Page 65: ...gram the microphone keys 1 Press F MENU and turn the Tuning control to select one of Menu No 35 to Menu No 38 PF1 PF4 2 Press MENU and turn the Tuning control to select the programmable function from the list provided below 3 Press MENU to store the setting or any other key to cancel 4 Press any key other than MENU to exit Menu Mode Programmable Functions MONI Monitor function ON OFF ENTER Used to...

Page 66: ... the transceiver operates in normal FM 5 kHz mode for both transmission and reception You can also operate the transceiver in narrow band FM 2 5 kHz To operate the transceiver in narrow band FM 1 Press F MENU and turn the Tuning control to select Menu No 26 FMN 2 Press MENU and turn the Tuning control to select ON or OFF default 3 Press MENU to store the setting or any other key to cancel 4 Press ...

Page 67: ...ned ON PROGRAMMABLE VFO To limit the operating frequencies within a certain range program the upper and lower frequency limits to the program VFO parameters For example if you select 144 MHz for the lower limit and 145 MHz for the upper limit the tunable range will be limited from 144 000 MHz to 145 9975 MHz 1 While in VFO mode press F MENU and turn the Tuning control to select Menu No 7 P VFO The...

Page 68: ...sary to protect the transceiver from thermal damage and can therefore not be turned OFF 1 Press F MENU and turn the Tuning control to select Menu No 21 TOT 2 Press MENU and turn the Tuning control to select 3 5 or 10 default minutes 3 Press MENU to store the setting or any other key to cancel 4 Press any key other than MENU to exit Menu Mode Note A warning beep sounds even if you set Menu No 24 BP...

Page 69: ... p n I w o l e b e t o n e e S 8 A N 8 e n o T t i m s n a r T w o l e b e t o n e e S 8 e d o C t u p n I w o l e b e t o n e e S 9 A N 9 e n o T t i m s n a r T w o l e b e t o n e e S 9 e d o C t u p n I w o l e b e t o n e e S 0 A N 0 e n o T t i m s n a r T w o l e b e t o n e e S 0 e d o C t u p n I w o l e b e t o n e e S A L L A C n o i t c n u f d e n g i s s A A e n o T t i m s n a r T r...

Page 70: ...e displayed character will change according to the table below y e K s r e t c a r a h C d e y a l p s i D 1 Q Z 1 2 A B C 2 3 D E F 3 4 G H I 4 5 J K L 5 6 M N O 6 7 P R S 7 8 T U V 8 9 W X Y 9 0 e c a p s 0 MIC LOCK The Mic Lock function disables the Mic PF keys to prevent you from accidentally changing the transceiver operation 1 Press F MENU and turn the Tuning control to select Menu No 34 MC ...

Page 71: ...t http www kenwood com i products info amateur html PG 3B DC Line Noise Filter MJ 88 Modular to 8 pin Microphone Plug KMC 30 Microphone KMC 32 DTMF Microphone PG 5A Data Cable E market only PS 33 53 Regulated DC Power Supply Although the key names differ from those on the supplied DTMF microphone K E M3 market models only the key functions remain the same Ask your dealer about purchasing a Program...

Page 72: ...ilable along with your name and address in case the service technician needs to call you for further information while investigating your problem Do not return accessory items unless you feel they are directly related to the service problem You may return this product for service to the authorized KENWOOD dealer from whom you purchased it or any authorized KENWOOD service center A copy of the serv...

Page 73: ...rming the reset you may lose memory data and stored information Back up or write down important data before performing the reset INITIAL SETTINGS The factory defaults for the operating frequencies are as follows Transceiver 144 000 MHz The Memory Channels have no data stored The Weather Radio frequency AL channel is restored as 162 550 MHz K market models only Refer to pages 25 and 56 for the Call...

Page 74: ...e two methods available for resetting the transceiver Note Menu No 7 P VFO and Menu No 10 OFFSET return to the factory default values VFO Reset Method 1 1 With the transceiver power OFF press VFO Power The VFO reset confirmation message appears 2 Press VFO SURE appears Press any key other than VFO to cancel 3 Press VFO again to reset the transceiver WAIT appears momentarily VFO Reset Method 2 1 Pr...

Page 75: ... i w s e s u f w e n a l l a t s n i s m e l b o r p s g n i t a r e m a s 5 m i d o o t s i y a l p s i d e h T d e t c e l e s u o y h g u o h t n e v e l e v e l s s e n t h g i r b h g i h a w o l o o t s i e g a t l o v y l p p u s e h T s i t n e m e r i u q e r e g a t l o v y l p p u s e h T C D V 8 3 1 C D V 8 5 1 o t V 7 1 1 5 1 e g n a r s i h t e d i s t u o s i e g a t l o v t u p n i...

Page 76: ... n i n e h t r e w o p e h t F F O h c t i w S b a t g n i k c o l e h t l i t n u g u l p e n o h p o r c i m e c a l p n i s k c i l c 6 2 t e s f f o t i m s n a r t a d e t c e l e s u o Y t i m s n a r t e h t s e c a l p t a h t e h t e d i s t u o y c n e u q e r f y c n e u q e r f t i m s n a r t e l b a w o l l a e g n a r 2 s s e r P F U N E M e h t n r u t d n a g n i n u T T F S 5 o N...

Page 77: ... l e d o m t e k r a m 4 M z H M 8 4 1 4 4 1 e d o M M F E 3 F e c n a d e p m i a n n e t n A 0 5 e g n a r e r u t a r e p m e t e l b a s U 0 2 0 6 C 4 C 0 4 1 F F y l p p u s r e w o P C D V 8 3 1 V 8 5 1 7 1 1 5 1 d o h t e m g n i d n u o r G d n u o r g e v i t a g e N t n e r r u C x a m t i m s n a r T s s e l r o A 8 s l e d o m t e k r a m 4 M s s e l r o A 3 1 s l e d o m t e k r a m r...

Page 78: ... r c i M 0 0 6 r e v i e c e R y r t i u c r i C e n y d o r e t e h r e p u s n o i s r e v n o c e l b u o D d n 2 t s 1 y c n e u q e r f e t a i d e m r e t n I z H k 0 5 4 z H M 5 9 9 4 D A N I S B d 2 1 y t i v i t i s n e S 8 1 0 e d i W s s e l r o V 2 2 0 w o r r a N s s e l r o V B d 6 y t i v i t c e l e S e r o m r o z H k 2 1 e d i W e r o m r o z H k 0 1 w o r r a N B d 0 6 y t i v i...

Page 79: ...mable 61 Reset 68 Volume Adjusting 14 Weather Alert Enabling 36 Programming 36 Confirming a Stored Number 52 Lock 53 Manual Dialing 50 Monitor 50 Pause Duration 53 Storing in Memory 51 Tone Transmission Speed 52 Transmitting a Stored Number 52 TX Hold 51 Frequencies Selecting Direct Frequency Entry 16 MHz Mode 16 VFO Mode 15 Frequency Step Size 56 Full Reset 67 Fuses Replacing 5 Group Scan 42 Inst...

Page 80: ......

Search results

Summary of Contents for TM-271

Reviews:

Brands by name

Popular brands

Kenwood TM-271, Instruction Manual

Search results

Summary of Contents for TM-271

Reviews:

Brands by name

Popular brands