BENISON JB-4
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BENISON
JB-4
VHF FM TRANSCEIVERS
Instruction Manual
BENISON JB-4
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To Customers：
Thank you for your using our FM VHF radio. The design is reasonable structure with stable functions. And high
quality with easy operation and perfect capability.
Before operate this transceiver, please reading the instruction manual.
Suitable For:JB-4
FEATURE
1、Output power：VHF5W/UHF4W
2、199groups for memory channels
3、Channel step （5/6.25/10/12.5/25KHZ）
4、VOX function
5、CTCSS/DCS
6、Multifunction scan
7、Three color for LCD to adjust
8、Program software suitable by KENWOOD
CONTENTS
Unpack and check equipment················1
Maintain ·······························2
Getting Acquainted·······················3
Instruction manual·······················5
一、Key, knob, Switch, Indicator················5
二、LCD ································6
三、Second function by keypad················· 7
Basic operation··························8
Function operation·······················10
Manual ································17
Specification···························20
Table ··································21
BENISON JB-4
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Unpack and check equipment：
Take out the radio carefully, check the packing before discarding. If any items losing or broken, please contact with local
agents.
Supplied Accessories：
ITEMS Quantity
Rubber antenna 1pc
Battery pack 1pc
Charger 1 pc
Belt Clip 1 pc
User’s manual 1pc
Choose Accessories：
ITEMS
Small speaker
Connecting cable
Programmable software
Maintain
This Radio is an electronic product for exact design. The suggestions below will help you to use many years.
1、Do not open the transceiver by yourself ,it will attaint the radio.
2、Be note that the power voltage should between 6V and 8V when using regulated power supply.
3、Do not put the radio under sunshine, hot place and high temperatures will shorten the electronic life or let the plastics
warp.
4、Do not put the radio in the dusty or dirty place.
5、Keep the radio dry, because rainwater or damp will corrode electronic circuits.
6、If the transceiver has peculiar smell or smoke, please turn off and take out the battery, and then contact with local
agents.
7、Do not transmit without antenna.
BENISON JB-4
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Getting Acquainted
BENISON JB-4
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Instruction Manual
一、Key, Knob, Switch, Indicator
1、 Power/Volume Knob: To turn on/off the radio and control volume.
2、 transmit Indicator: Press PTT, when it transmit, the light lights.
3、Busying Indicator: When Moni key and squelch
operating, Appears “ ”when moni key and squelch operating which mean busying
indicator.
4、PTT key: Switch for Transmit and Receive
5、MONI key: Press this key can monitor the working
channel ,when receiving.
6、LAMP key: switch for black light.
7、Speaker/Mic jack: Use the Speaker or Microphone or together, contact this jack. Be note that do
not let the water dropping into it, when it not use.
8、SMA Connector：For connecting attached antenna.
二、LCD
ICON EXPLANATION
Appears channel, frequency and second function.
It wink after press “F/ ”
CTCSS
DOTCD
Vox turned on
Dispersion to hyper-receive frequency
Dispersion to under-receive frequency
Warning tone
Scrambler
Appears battery
High power
Low power
Save battery
Set auto shut down
Manu coder and memory channel
Received signal and power display
★ Content in channel
Keypad locked
BENISON JB-4
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三、Second function by keypad：
VFO/MR
Frequency, memory change, cancel ,memory ,exit
M/SEL
Manu/affirm key
F/
Second function and keypad locked,(press 2 seconds)
1POW High/Low power: Press “F/ ”with this key to set the H/L power.
2VOX Vox and Sensitivity set: press“F/ ”with this key to choose VOX OFF/1~9 and sensitivity
3SQL Squelch Sensitivity Threshold: press“F/ ”with this key to set squelch sensitivity threshold(0~9)
4APO Auto shut down set: press“F/ ”and this key to shut down(OFF30~240)
5BEEP Warning tone set: Press F/ ”and this key to turn on/off warning tone.
6LED Black lights: press“F/ ”and this key to choose black lights（OFF/ON/AUT）
7CTDCS CTDCS：Press“F/ ”and this key to choose（OFF/CTCSS/DCS）
8CT CTCSS：press“F/ ”and this key to choose CTCSS（OFF67~254.1）
9DC DTS：Press “F/ ”and this key to choose（OFF23～754）
0SCAN Channel scan: Press “F/ ”and this key to scan the frequency and channel
*STEP
Step choose: Press“F/
”and this key to choose the spacing frequency（5/10/6.25/12.5/25）
#REV
Scrambler：Under different frequency, press“F/
”and this key to change receive and transmit frequency
Method of application：
1、Connected antenna: Insert the base of the attached antenna into SMA, rotate the antenna by clockwise until set
down .Take out the antenna from the base by anticlockwise clockwise rotation until pull it out from SMA connector.
2、Power switch: Rotate PWR/VOL by clockwise, you will heard “kade” it turn on the radio. All the sign and frequency
will appears on the LCD.(Due to this radio have automatic squelch function, the speaker did not have any noise before
have calling)Use PWR/VOL to set the volume when have call. Anticlockwise this key until heard “kade” ,all the sign
and frequency will not appears, it means turn off the radio.
3、Set volume: Turn on the radio(this radio have automatic squelch function, the speaker did not have any noise before
have calling)press [MONI]key, and then rotate PWR/VOL key，clockwise the VOL key to increase the volume,
anticlockwise to decrease the volume.
4、Moni function: Press Moni key and adjust your desired volume by PWR/VOL ,you can directly hear sound without
waiting for receiving any signal. ，
5、Transmit：Press[MONI]seconds to check the channel what you want if is free, press[PTT]，and speak to the radio in
general tone. The red light lights when press [PTT].It will not clear if near the speaker or loud speaker. Unlash [PTT]
to heard from your partner.
6、Keypad locked: Under any model, press[
F/ ] two seconds，to lock or unlock ,it appears“ ”when locked.
7 Scrambler: Under any model, press[
F/ ] and “＃REV”,it appears“R”means turn on the Scrambler, do it again to
turn off the scrambler function.
8、Mode choose：frequency model, channel model, memory frequency model
① Press “M/SEL” and turn on to change the channel and frequency.
② Under frequency model. press “VFO/MR” to change frequency and memory frequency model.
9、Side key operate:
PTT：Transmit key, press to transmit, and unlash to stop transm it.
Moni：Moni key, Press this key to moni the operating frequency.
LAMP：Black lights key, press it light, again it extinguish.
BENISON JB-4
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Function operating
1、H/L power set
Under any model, press [M/SEL]
LCD Appears “ POW.H 1 ”And press [M/SEL] it appears“ POW.H 1” turning knob,
choose “H/L”(H is high power, L is high power)press[M/SEL]
To back the manual, press[VFO/MR]for exit.
Shortcut：press
[F/ ] and [1POW] LCD appears“POW.H 1”turning to choose“H/L”press [M/SEL] to confirm, press
[VFO/MR] for exit.
2、VOX and sensitivity set：
Under any model, press [M/SEL] key turning knob to choose manual 2,it appears“ VOX.OFF
2”and then press [M/SEL].
it appears“VOX.
OFF 2 ” , running knob to choose “OFF/1～9”（OFF is close, the high the sensitive），press [M/SEL]
again to back the manual, press [VFO/MR] for exit. LCD appears“VOX”after choose vox.
Shortcut：Press[VFO/MR] and [2VOX] then LCD appears“VOX.OFF 2”,turning knob choose“OFF/0～9”press [M/SEL]
to confirm and press [VFO/MR] for exit.
3、 Squelch Sensitivity Threshold：
Under any model, press [M/SEL] turning knob, choose manual 3,it appears“SQL.00
3” press [M/SEL] it appears
“SQL.00 3”turning knob to choose “00～09”（the high the sensitivity）press [M/SEL] to confirm, press [VFO/MR]
for exit.
Shortcut：press [
F/ ] and [3SQL] it appears“SQL
·
OO 3”turning knob choose“00～09”press [M/SEL] to confirm，
press [VFO/MR] for exit.
4、Auto shut down set
Under any model press [M/SEL] to turning knob to choose manual 4, “APO.OFF
4”then press [M/SEL] it appears:
“APO.
OFF 4 ” turning knob to choose“OFF/30/60/120/240”（close or choose time, the unit is minute）press [M/SEL]
it again to back the manual, press [VFO/MR] for exit. LCD appears “APO”when choose time.
Shortcut: press [
F/ ]and [4APO] it appears“APO. OFF 4”turning knob and choose“OFF/30/60/120/240”press
[M/SEL] to confirm, press [VFO/MR] for exit.
5、 Warning tone set
Under any model, press [M/SEL] turning knob to choos e manual 5,appears“BP.ON
5 ”press [M/SEL] appears“BP. ON
5”turning knob to choose “ON/OFF”（ON is open, OFF is close）press [M/SEL] again to back the manual, Press
[VFO/MR] for exit.
Shortcut：press [
F/ ] and[5BEEP] appears “BP. ON 5”turning knob to choose“ON/OFF”press [M/SEL] to confirm,
and [VFO/MR] for exit.
6、Black lights
11
Under any model, press [M/SEL] turning kn ob to choose menu 6 it appears“LED.OFF
6 ”and then press [M/SEL] it
appears“LED.
OFF 6”turning knob to choose “OFF/ON/AUT”（OFF is close、ON is open、AUT is auto）press[M/SEL]again
to back the manual, and [VFO/MR] for exit.
Shortcut：press [
F/ ]and [6LED]appears“LED.OFF 6”turning knob to choose“OFF/ON/AUT”press [M/SEL] to confirm,
and [VFO/MR] for exit.
7、CTDCD
Under frequency model, press [M/SEL] turning knob to choose manual 7,it appears“CT.DCS
7 ”and then press it appears
“CT.
CSS 7”turning knob to choose
“OFF/CTCSS/DCS”
.Press [M/SEL] to back the manual, and [VFO/MR] for exit.
Choose “CTCSS” LCD will appears “CT” and choose “DCS” LCD will appears “DT”.
Shortcut: press [
F/ ]and [7CTDCS] appears“CT.CSS 7”turning knob to choose“OFF/CTCSS/DCT”press [M/SEL] to
confirm, and [VFO/MR] for exit.
BENISON JB-4
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8、CTCSS
Under frequency model, press [M/SEL] turning knob to choose manual 8, it appears“CT.OFF
8 ”and then press [M/SEL]
“CT.
OFF 8”turning knob to choose“OFF/67～254.1HZ”press [M/SEL] to back the manual, and press [VFO/MR]
for exit.
Shortcut：Press [
F/ ] and [8CT] it appears “CT.OFF 8”turning knob to choose“OFF/67～254.1”press [M/SEL]
to confirm, and [VFO/MR] for exit.
9、DCS
Under frequency mode，press[M/SEL]turning knob to choose manual 9,it will appears“DC.OFF
9”and press[M/SEL] it
appears“DC.
OFF 9 ” turning knob to choose “OFF/023N～754I”and press [F/ ] choose“N”/“I”（N is obverse
I is reverse）press [M/SEL] again, to confirm and back manual, press [VFO/MR] for exit.
Shortcut：press [
F/ ] and [9DC] appears“DC.OFF 9”turning knob to choose“OFF/023N～754I”press
[F/ ] to confirm,
and [VFO/MR] for exit.
10、Choose backlight color
Under any model, press[M/SEL] turning knob to choose manual 10,it appears “LIGH.P
10”and press [M/SEL] again, it
appears“LIGH.
P 10”turning knob to choose“P/B/G”（P is purple ,B is orange, G is Blue）Press [M/SEL] to confirm,
and [VFO/MR] for exit.
11、Save battery
Under any model, press [M/SEL]turning knob to choose menu 11,it will appears “SAV.OFF
11”and press [M/SEL] it
appears“SAV.
OFF 11”turning knob to choose “OFF/ON”press [M/SEL] to confirm and back the manual, [VFO/MR]
for exit. LCD appears “ ”when choose “ON”.
12、Scan model and set.
13
Under any model, press [M/SEL]turning knob to choose manual 12, it will app ears “SCAN.CO
12”,press [M/SEL] it will
appears“ SCAN.
CO 12”turning knob to choose“CO/TO/SE”（Co is carrier wave scan, TO is time scan, SE is search
scan ）press [M/SEL] to back the manual, and [VFO/MR] for exit.
13、Time for transmit
Under any model, press [M/SEL]turning knob to choose manual 13 it will app ears “TOT.OFF
13”and press [M/SEL] it
appears“TOT.
OFF 13”turning knob to choose “OFF/60/120/180”（unit：second）press [M/SEL] to back the manual,
and [VFO/MR] for exit.
14、Keypad locked
Under any model，press [M/SEL]turning knob to choose menu 14,it will appears “ KY.MANU 14”and than press
[M/SEL] ,turning the knob to choose “MANU/AUTO”（MANU is HM 、AUTO is automatism）press [M/SEL] to back
manual, and [VFO/MR] for exit.
Shortcut: press [
F/ ] 2 seconds，locked or unlock the keypad.
15、STSCAN（CTCSS scan）
Under any model, press [M/SEL] turning knob to choos e menu 15,it appears “CTSCAN 15”and press [M/SEL] begin to
scan, it stop to wink, when find CTCSS, and press [VFO/MR] for exit.
16、DCSAN（DCS scan）
14
Under any model，press [M/SEL] turning knob to choose menu 16 ,it app ears “ DCSCAN 16 ” and press[M/SEL]begin to
scan, it stop to wink, when find DTC, and press [VFO/MR] to exit.
17、Frequency step
Under frequency model, press [M/SEL]turning knob to choose menu 17,it appears “STP.25
17”press [M/SEL] it
appears “STP.
25 17”turning knob to choose“5/6.25/10/12.5/25KHZ”spacing frequency, and press [M/SEL]To back
the menu, and [VFO/MR] for exit.
Shortcut：press [
F/ ]and [*STEP]it appears“STP.25 17”turning knob to choose“5/6.25/10/12.5/25”press [M/SEL]
to confirm, and [VFO/MR] for exit.
BENISON JB-4
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18、Beat frequency set
Under frequency model，press [M/SEL] turning knob to choose menu 18, it will appears“OFFSET
18”and press [M/SEL]
it will appears“
OFFSET 18”press digital to set :for example: beat frequency is 10Mhz,input “1/0/0/0/0/”and press
[M/SEL] to confirm and back menu, press [VFO/MR] for exit.
19、Beat frequency choose
15
Under frequency mode.，press [M/SEL] turning knob to choose menu 19, it will appears “SFT.OFF
19”and press
[M/SEL] it will appears “SFT
OFF 19”t urning knob to choose “OFF/+/-”（+ when transmit hyper-receive ，-when
transmit under-receiver）Press [M/SEL] again to confirm and back the menu, press [VFO/MR] for exit. LCD will appears
“+”or“-”what you choose.
20、RCT receive CTCSS choose and check
Under frequency model,， press [M/SEL] turning knob to choose menu 20,it will appears “RC.OFF
20”and then press
[M/SEL] it will appears “RC.
OFF 20”turning knob to
choose menu “OFF/67～254.1”（rece ive CTCSS ）,press [M/SEL] to confirm and back menu, press [VFO/MR] for
exit.
21、TCT transmit CTCSS choose and check
Under frequency model, press [M/SEL] and turning knob to choose menu 21,it will appears “ TC.OFF
21”then press
[M/SEL] it will appears“TC.
OFF 21”turning knob to choose “OFF/67～254.1” （transmit CTCSS）,press [M/SEL]
again to confirm and back menu, press [VFO/MR] for exit.
22、RDQT receive DCS choose and check
Under frequency model, press [M/SEL] turning knob to choose menu 22 ,it will appears “RD.OFF
22”press [M/SEL
again, it will appears “RD.
OFF 22”turning knob to choose “OFF/023N～754I”,（receive CTCSS ）press [M/SEL]
again to confirm and back menu, press [VFO/MR] for exit.
23、TDQT transmit DCS choose and check
Under frequency model, press [M/SEL] turning knob to choose menu 23,it will appears “TD.OFF
23”and then press
[M/SEL] it will appears “TD.
OFF 23”turning knob to choose “OFF/023N～754I”,（transmit CTCSS）and then press
[M/SEL] to confirm and back menu, press[VFO/MR] for exit.
24、Channel or operating frequency scan.
Under channel or memory calling frequency, press [
F/ ] and [0SCAN] to scan the channel. It will stop to scan and
locked until it found the sign, press any key to exit.
25、Saving channel
Under frequency model, choose frequency and other parameter (CTCSS, DCS, beat frequency, orientation and
power)press [
F/ ]and [0SCAN] it will appears“FUNC 25”turning knob to choose the saving channel（01～199）and
press [VFO/MR] to save the frequency and back the frequency estate.
NOTE：If have sign in the channel, “★”it appears。
26、Cancel memory channel
Under memory frequency calling, choose cancel memory ,turn off the radio, press [VFO/MR] and then turn on the
radio, it appears “DEL?
”unlash [VFO/MR] and then press [M/SEL] to choose the cancel memory channel.
Manu function
① press[M/SEL]enter into menu model.
② Turning knob to choose the menu.
17
③ Press [M/SEL]to enter into the menu to set.
④ After finish set, press [M/SEL] to confirm and press [VFO/MR] to exit the menu.
BENISON JB-4
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18
BENISON JB-4
- 11 –
Notice: Items 7,8,9,18～23 is available only in Frequency mode
BENISON JB-4
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Specifications
Frequency Range (V) 245.0000 MHz
Number of Channel 80
CTCSS 50 CTCSS
105 DCS
Channel Specking 5.6.25.10.12.5.25KHz
Modulation FM
Antenna Impedance 50Ω
Operating Voltage DC7.2V
Current Consumption Cathode dearth-plate
Operating Temperature －10℃~＋55℃
Output power 5W(High) 1W(Low)
Spurious emissions ≤－65dB
Intermodulation Response Rejection 70 dB
Current Consumption ≤1.6A(transmit 5W)
Maximum Deviation ≤±2.5kHz
Sensitivity Adjust 2~20mV
Frequency Stability ±5ppm
Usable Sensitivity 0.2μv
Audio Output ≥0.5w
Audio Distortion ≤10%
Audio Frequency Response 300~3000Hz
Occupied Bandwidth ≤16KHz
Note：We will not advance, if changing the technique specification.
BENISON JB-4
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Annexed Table：
50 CTCSS frequency code（Hz）
67.0 85.4 107.2 136.5 165.5 186.2 210.7 254.1
69.3 88.5 110.9 141.3 167.9 198.9 218.1
71.9 91.5 114.8 146.2 171.3 192.8 225.7
74.4 94.8 118.8 151.4 173.8 196.6 229.1
77.0 97.4 123.0 156.7 177.3 199.5 233.6
79.7 100.0 127.3 159.8 179.9 203.5 241.8
82.5 103.5 131.8 162.2 183.5 206.5 250.3
105 DCS code
023 065 132 205 255 331 413 465 612 723
025 071 134 212 261 332 423 466 624 731
026 072 143 223 263 343 431 503 627 732
031 073 145 225 265 346 432 506 631 734
032 074 152 226 266 351 445 516 632 743
036 114 155 243 271 356 446 523 *645 754
043 115 156 244 274 364 452 526 654
047 116 162 245 306 365 454 532 662
051 122 165 246 311 371 455 546 664
053 125 172 251 315 411 462 565 703
054 131 174 252 325 412 464 606 712
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