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Kenwood TK-3131 - page 1
© B62-1590-20 (K) 09 08 07 06 05 04 03 02 UHF FM TRANSCEIVER TK-3131 INSTRUCTION MANUAL ...
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Kenwood TK-3131 - page 2
T HANK Y OU We are grateful for your purchase of this KENWOOD product and welcome you to the General Mobile Radio Service (GM RS). Y our KENWOOD 2-way radio is called a “transceiver”, meaning “transmitter & receiver”. W e believe this easy-to-use transceiver will provide you with dependable and reliable communications. This KENWOOD tran ...
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Kenwood TK-3131 - page 3
i FCC L ICENSE I NFORMA TION Y our KENWOOD radio operates on communications frequencies which are subject to FCC (Federal Communications Commission) Rules & Regulations. FCC Rules require that all operators using Personal Radio Service frequencies obtain a radio license before operating their equipment. Application for license must be made on F ...
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Kenwood TK-3131 - page 4
ii P RECAUTIONS • Refer service to qualified technicians only . Do not modify or attempt to adjust the transceiver for any reason. • Do not expose the transceiver to long periods of direct sunlight, nor place it close to heating appliances. • Do not place the transceiver in excessively dusty , humid, or wet areas, nor on unstable surfaces. ? ...
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Kenwood TK-3131 - page 5
iii CONTENTS UNP ACKING AND CHECKING EQUIPMENT ......................... 1 S UPPLIED A CCESSORIES .......................................................... 1 ORIENT A TION ......................................................................... 2 D ISPLA Y ................................................................................ 3 PREP ARA ...
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Kenwood TK-3131 - page 6
iv C ALLING A LERT T ONES ......................................................... 28 I NCOMING C ALL N OTIFICA TION T YPE ........................................ 29 B USY C HANNEL L OCKOUT ...................................................... 31 T RANSCEIVER B EEP .............................................................. 31 S IMPLEX / S EM ...
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Kenwood TK-3131 - page 7
1 UNP ACKING AND CHECKING EQUIPMENT Carefully unpack the transceiver . We recommend you identify the items listed in the following table before discarding the packing material. If any items are missing or have been damaged during shipment, file a claim with the carrier immediately . S UPPLIED A CCESSORIES m e t I r e b m u N t r a P y t i t n a u Q ...
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Kenwood TK-3131 - page 8
2 ORIENT A TION ...
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Kenwood TK-3131 - page 9
3 D ISPLA Y n o c I n o i t p i r c s e D . d e t a v i t c a s i X O V n e h w s r a e p p A n o i s s i m s n a r t w o l g n i s u n e h w s r a e p p A . r e w o p a h t i w p u t e s s i l e n n a h c e h t n e h w s r a e p p A . e d o c T Q D . d e t a v i t c a s i k l a T y c a v i r P n e h w s r a e p p A . r e v i e c s n a r t s i h t ...
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Kenwood TK-3131 - page 10
4 PREP ARA TION I NST ALLING / R EMOVING THE B A TTERY P ACK The battery pack is not charged at the factory; charge it before use (pages 6 and 7). A verage battery pack life using low power: 12 hours A verage battery pack life using high power: 10 hours •A verage times are calculated using 5% transmit time, 5% receive time, and 90% standby time. ...
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Kenwood TK-3131 - page 11
5 I NST ALLING / R EMOVING B A TTERIES In place of the battery pack, you can use 3 AA batteries. Use high quality alkaline batteries to enjoy longer periods of battery life. A verage battery life using low power: 8 hours A verage battery life using high power: 4 hours •A verage times are calculated using 5% transmit time, 5% receive time, and 90% ...
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Kenwood TK-3131 - page 12
6 C HARGING THE B A TTERY P ACK Initially charging the battery pack after purchase or extended storage (greater than 2 months) will not bring the battery pack to its normal operating capacity . After repeating the charge/ discharge cycle two or three times, the operating capacity will increase to normal. ◆ Do not recharge the battery pack if it i ...
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Kenwood TK-3131 - page 13
7 1 Plug the AC adapter cable into the adapter jack located on the rear of the charger . 2 Plug the AC adapter into an AC outlet. 3 Slide a battery pack using the supplied holder or a transceiver equipped with a battery pack into the battery pack slot. • Make sure the metal contacts of the battery pack mate securely with the charger terminals. ? ...
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Kenwood TK-3131 - page 14
8 I NST ALLING / R EMOVING THE B EL T H OOK If desired, attach the belt hook to the rear of the transceiver using the 2 supplied screws. I NST ALLING / R EMOVING O PTIONAL A CCESSORIES Note: Always switch OFF the transceiver power when installing or removing the optional accessories. The following accessories can be used with this transceiver: • ...
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Kenwood TK-3131 - page 15
9 GETTING ST ARTED q q q q q Switch the Power ON. Switch the transceiver power ON by turning the Power switch/ V olume control clockwise. •A confirmation tone sounds. When using simplex operation, a single tone sounds. When using semi-duplex operation, two tones sound. Refer to page 32 for details on selecting simplex or semi-duplex operation. To ...
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Kenwood TK-3131 - page 16
10 e e e e e Select a Channel. Select a channel from 1 to 15 by pressing the ▲ or ▼ key . •A confirmation tone sounds each time you press the ▲ or ▼ key . • When you receive a call on your selected channel, you will hear audio from the speaker and the LED will light green. •T o use a signalling code, refer to “QUIET T ALK/ DIGIT AL ...
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Kenwood TK-3131 - page 17
11 QUIET TALK/ DIGIT AL QUIET TALK QT (Quiet T alk) and DQT (Digital Quiet T alk) are functions that reject signals from undesired parties that are using the same channel as you. Y ou will hear audio from the speaker only when you receive a signal that contains a tone or code matching the one set up on the channel you are using. Likewise, when you ...
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Kenwood TK-3131 - page 18
12 1 Press the MENU key . • The current setting blinks. 2 Press the ▲ or ▼ key to select your desired value. • The values range from 01 to 38 for QT tones, then proceed to 01 to 83 for DQT codes. When you use a DQT code, the icon appears on the display . •“ ” means you have turned of f both QT and DQT . • Refer to pages 38 and 39 fo ...
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Kenwood TK-3131 - page 19
13 SCANNING THE CHANNELS Y ou can scan all the channels of the transceiver to search for a signal. When the transceiver verifies a signal on a channel, it proceeds to check whether or not its QT/ DQT setting matches that which is set up on your transceiver , if you have set a channel with QT/ DQT . If the QT/ DQT matches, the transceiver stops at t ...
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Kenwood TK-3131 - page 20
14 5 Press the PTT , MON , or CAL key to exit Setting Mode. To begin scanning: 1 Press and hold the ▲ key for 1 second. •“ ” appears on the display . 2 When a signal is detected and the QT/ DQT matches, the channel number appears on the display and blinks. 3 When the signal is no longer present, the transceiver waits for 5 seconds before sc ...
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Kenwood TK-3131 - page 21
15 R EVERT C HANNEL The revert channel is the channel from which you start scanning. So, for example, if you are on channel 1 when you begin to scan, your revert channel is channel 1. During scan, pressing the PTT switch will automatically select the transceiver ’s revert channel (in the above example, channel 1) and you will begin transmitting. ...
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Kenwood TK-3131 - page 22
16 MONITORING A CHANNEL When no signals are present, the squelch on the transceiver automatically mutes the speaker so you will not hear background noise. Using the MON key , you can disable the squelch to unmute the speaker at any time. This feature is useful for a variety of reasons: • It allows you to confirm the channel activity so that you d ...
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Kenwood TK-3131 - page 23
17 VOICE ACTIV A TED CONTROL (VOX) Using the VOX feature, you can operate the transceiver hands-free. In order to use this feature, however , you must use an optional headset; VOX will not function with the built-in microphone. For best operation conditions, we recommend you use an optional headset with both an ear piece and a microphone on a boom ...
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Kenwood TK-3131 - page 24
18 4 Press the MENU key to select “ ” (VOX function is off) or “ ” (VOX gain level 1) to “ ” (VOX gain level 3). • While adjusting the VOX Gain, the LED lights orange. Note: Setting the VOX gain to OFF deactivates VOX. In order to transmit with VOX turned off, you must use the PTT switch. 5 Press the PTT , MON , or CAL key to exit Set ...
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Kenwood TK-3131 - page 25
19 4 Press the MENU key to select “ ” (delay for 100 ms), “ ” (300 ms), “ ” (500 ms), “ ” (1 second), “ ” (1.5 seconds), or “ ” (3 seconds). 5 Press the PTT , MON , or CAL key to exit Setting Mode. VOX O PERA TION 1 Set up a VOX gain level from 1 to 3 (page 17). 2 To transmit, simply speak into the headset microphone. •Y o ...
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Kenwood TK-3131 - page 26
20 VOX B USY L OCKOUT While using VOX, you can set the transceiver to detect when the channel is busy (in use). With this function turned on, VOX will not allow you to transmit while the channel is being used. Y ou can transmit only when the channel is free. 1 T urn the transceiver power OFF . 2 Press and hold the MENU key while turning the transce ...
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Kenwood TK-3131 - page 27
21 PRIV ACY TALK Whereas the Quiet T alk and Digital Quiet T alk functions (page 1 1) allow you to ignore unwanted calls, Privacy T alk allows you to hold a conversation in complete privacy . When activated, any other party listening in on your channel will be unable to understand your conversation. The transceiver scrambles your voice so that anyb ...
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Kenwood TK-3131 - page 28
22 OPERA TING FEA TURES T RANSMISSION P OWER Y ou can adjust the transmission power on all channels. Selecting low power will allow longer use of the battery pack (refer to pages 4 and 5). Selecting high power will allow you to transmit farther , in case the other party is too far away for low power usage. To change the transmission power: 1 Press ...
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Kenwood TK-3131 - page 29
23 Press and hold the MENU key for 3 seconds to lock or unlock the transceiver keys. • The icon appears on the display when the transceiver keys are locked. No icon appears when they are unlocked. S UPER L OCK Y ou can lock the MENU , CAL , ▲ , and ▼ keys, and disable the Setting Mode. The PTT and MON keys still function normally . To turn Su ...
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Kenwood TK-3131 - page 30
24 1 T urn the transceiver power OFF . 2 Press and hold the MENU key while turning the transceiver power ON (for 1 second). 3 Press the ▲ or ▼ key to select “ ”. 4 Press the MENU key to select “ ” (lamp off), “ ” (lamp on), or “ ” (lamp auto). 5 Press the PTT , MON , or CAL key to exit Setting Mode. L AMP The lamp is used to ill ...
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Kenwood TK-3131 - page 31
25 continuously transmit, this feature helps you save on battery power consumption. If you continuously transmit for 3 minutes (default value), the transceiver will stop transmitting and a tone will sound. T o stop the tone, release the PTT switch. Y ou can press the PTT switch again to resume transmitting. This transceiver is also equipped with a ...
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Kenwood TK-3131 - page 32
26 B A TTERY S AVE This transceiver has been designed to give you the most out of your battery power . The battery save function decreases the amount of power used when a signal is not being received and no operations are being performed. While using the transceiver , battery save will automatically switch ON after 10 seconds have elapsed with no o ...
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Kenwood TK-3131 - page 33
27 B A TTERY I NDICA TOR When turned ON, the battery indicator on the display lets you know approximately how much battery life is remaining. When turned OFF , the battery indicator will appear and blink only when the battery voltage level is low . When the battery voltage becomes too low while transmitting, the transceiver stops transmitting and a ...
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Kenwood TK-3131 - page 34
28 5 Press the PTT , MON , or CAL key to exit Setting Mode. C ALLING A LERT T ONES Calling alert tones are used to identify yourself to your party members. Y ou can set up a calling alert tone to one of 6 types. If each party member uses a different calling alert tone, it is easy to know who is making the call. Pressing the CAL key before making a ...
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Kenwood TK-3131 - page 35
29 I NCOMING C ALL N OTIFICA TION T YPE Note: To use Incoming Call Notification, you must set up a QT tone or a DQT code (page 1 1). Incoming Call Notification is used to inform you of when a call is being received. Y ou can set this function to notify you via a tone or through vibrating. When vibration is activated (either with the vibration only ...
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Kenwood TK-3131 - page 36
30 • When set to notify you via both a tone and through vibration (setting 3), the tone is emitted and the transceiver vibrates when a busy signal is received and the QT/ DQT signalling matches. As with a tone only , you will not hear audio from the speaker until the tone is stopped by pressing a key or the 15 second tone stops. After the call is ...
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Kenwood TK-3131 - page 37
31 B USY C HANNEL L OCKOUT This function is used in order to prevent transmitting on a channel that somebody else is currently using. When turned ON, a beep sounds when you press the PTT switch while another party is using the channel, and you cannot transmit. 1 T urn the transceiver power OFF . 2 Press and hold the MENU key while turning the trans ...
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Kenwood TK-3131 - page 38
32 1 T urn the transceiver power OFF . 2 Press and hold the MENU key while turning the transceiver power ON (for 1 second). 3 Press the ▲ or ▼ key to select “ ”. 4 Press the MENU key to select “ ” (beep on) or “ ” (beep off). 5 Press the PTT , MON , or CAL key to exit Setting Mode. S IMPLEX / S EMI -D UPLEX O PERA TION Simplex opera ...
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Kenwood TK-3131 - page 39
33 Unless you are familiar with the use of repeaters, and are aware of repeaters near your location, we recommend you do not use semi-duplex operation; use only simplex operation, the default frequency bank of this transceiver . There are two separate “banks” of frequencies stored in the transceiver (as listed on pages 41 and 42). Frequency Ban ...
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Kenwood TK-3131 - page 40
34 RESETTING THE TRANSCEIVER At some point in time, you may desire to reset the transceiver settings to their default values. The default values of all the menus can be found on page 43. To reset the transceiver: 1 T urn the transceiver power OFF . 2 Press and hold the ▲ , ▼ , and MON keys while turning the transceiver power ON. •“ ” (res ...
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Kenwood TK-3131 - page 41
35 OPTIONAL ACCESSORIES KNB-27N (Ni-MH battery pack) KSC-28 (Battery charger) KMC-21 (Speaker-microphone) EMC-3 (Clip mic with earphone) KHS-1 (Headset) KHS-21 (Headset) PTT SENS. VOX PTT ...
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Kenwood TK-3131 - page 42
36 NOTICES TO THE USER This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. One or more of the following statements may be appl ...
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Kenwood TK-3131 - page 43
37 SAFETY INFORMA TION: Y our wireless hand-held portable transceiver has been designed using a low power transmitter . When the PTT switch is pressed, the transceiver generates radio frequency (RF) electromagnetic energy (EME). This transceiver is designed to comply with the FCC Report and Order FCC 96-326 (August, 1996). • Do not transmit for m ...
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Kenwood TK-3131 - page 44
38 y a l p s i D r e b m u N k l a T t e i u Q y c n e u q e r F y a l p s i D r e b m u N k l a T t e i u Q y c n e u q e r F y a l p s i D r e b m u N k l a T t e i u Q y c n e u q e r F F OF F O3 1z H 5 . 3 0 16 2z H 2 . 2 6 1 1 0z H 0 . 7 64 1z H 2 . 7 0 17 2z H 9 . 7 6 1 2 0z H 9 . 1 75 1z H 9 . 0 1 18 2z H 8 . 3 7 1 3 0z H 4 . 4 76 1z H 8 . 4 ...
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Kenwood TK-3131 - page 45
39 y a l p s i D r e b m u N l a t i g i D k l a T t e i u Q e d o C y a l p s i D r e b m u N l a t i g i D k l a T t e i u Q e d o C y a l p s i D r e b m u N l a t i g i D k l a T t e i u Q e d o C 1 0 T Q D3 2 09 2 T Q D4 7 17 5 T Q D5 4 4 2 0 T Q D5 2 00 3 T Q D5 0 28 5 T Q D4 6 4 3 0 T Q D6 2 01 3 T Q D3 2 29 5 T Q D5 6 4 4 0 T Q D1 3 02 3 T ...
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Kenwood TK-3131 - page 46
40 t u p t u O F R r e w o P w o LW m 0 0 5 h g i HW 1 r e w o P t u p t u O o i d u AW m 0 0 1 y t i l i b a t S y c n e u q e r F m p p 5 . 2 e g a t l o V g n i t a r e p OV 0 . 5 ~ V 3 . 3 s n o i s n e m i D ) d e d u l c n i t o n s n o i t c e j o r p ( m m 5 . 7 1 1 x 5 7 . 8 2 x 6 5 ) n i 8 / 5 4 x 8 / 1 1 x 4 6 / 3 1 2 ( ) N 7 2 - B N K h ...
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Kenwood TK-3131 - page 47
41 C HANNEL F REQUENCY C HART : S IMPLEX O PERA TION (F REQUENCY B ANK A) r e b m u N l e n n a h C 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 1z H M 5 2 6 5 . 2 6 4z H M 5 2 6 5 . 2 6 4 2z H M 5 7 8 5 . 2 6 4z H M 5 7 8 5 . 2 6 4 3z H M 5 2 1 6 . 2 6 4z H M 5 2 1 6 . 2 6 4 4z H M 5 7 3 6 . 2 6 4z H M 5 7 3 6 . 2 6 4 5z H M 5 ...
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Kenwood TK-3131 - page 48
42 r e b m u N l e n n a h C 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 1z H M 5 2 6 5 . 2 6 4z H M 5 2 6 5 . 2 6 4 2z H M 5 7 8 5 . 2 6 4z H M 5 7 8 5 . 2 6 4 3z H M 5 2 1 6 . 2 6 4z H M 5 2 1 6 . 2 6 4 4z H M 5 7 3 6 . 2 6 4z H M 5 7 3 6 . 2 6 4 5z H M 5 2 6 6 . 2 6 4z H M 5 2 6 6 . 2 6 4 6z H M 5 7 8 6 . 2 6 4z H M 5 7 8 6 ...
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Kenwood TK-3131 - page 49
43 . o N y a l p s i D e m a N e m a N l l u F s g n i t t e S t l u a f e D g n i t t e S . f e R e g a P 1 k n a B y c n e u q e r F n o i t c e l e S / ) x e l p m i s ( A k n a B - i m e s ( B k n a B ) x e l p u d A k n a B2 3 2 l l a C g n i m o c n I e p y T n o i t a c i f i t o N / ) e n o T ( 1 / F F O / ) n o i t a r b i V ( 2 ) n o i t ...
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Kenwood TK-3131 - page 50
44 m e l b o r P n o i t u l o S e h t n r u t t o n n a C r e w o p r e v i e c s n a r t . N O • • e b y a m k c a p y r e t t a b r o s e i r e t t a b e h T r o s e i r e t t a b e h t e c a l p e R . d a e d . k c a p y r e t t a b e h t e c a l p e r r o e g r a h c e r e b t o n y a m k c a p y r e t t a b e h T e h t e v o m e R . y l t ...
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