chinavasion CVSB J48 User manual

ThankYou! \
We are grateful you have chosen FM VHF/UHF portable
transceiver. This 2-way radio represents novel design and stable
performance. lt is developed to meet the demands of portability,
easy-operating and rnultifunction. The small size and reasonable
price will satisfy you.
MODELS QOVERED BYTHIS MANUAL:
\uxvuHr FM TBANScEIvER
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1. Please DO NOT try to open the transceiver, c it may do
damage to the transceiver,.
2. Please use the matched antenna in case it shortens
communication distance. Please DO ilOT ffi bfu trrEnna
is installed. Please also use battery pacr( ild dragr we've
offered in case of any damage.
3. Please DO NOT expose the transcduer b iect srfght for a
long time; DO NOT place the transcdrrer rs ilf UiE dAf
and dusty environments; DO NOT wash the bansceiver with
detergent with harsh chemicals.
4. Please turn off the power immediately and remove the
rechargeable battery pack fiom the transceirer if any dnorrnal
odor or smoke is detected, and tfren contact the deder.
Thank you for using FM transceiver. Before using, we
recommend you:
. Please check whether the package is broken.
. Unpack the transceiver carefully: Identify the items listed in the
following table.
. lf any damage or miss has occurred during shipment, contact
with dealer immediately.
SUPPLIED ACCESSORIES
Iransceiver 1
Rubber Antenna 1
7.4V Li-ion Battery 'l
String 1
Desk Charger 1
Belt Clip 1
User's Manual 1
lii ... I
ilr l

Charge Battery Pack ...........-..................- 3
lnstall/Remove Battery Pack
lnstall Belt Clip ......................
Basic Operation
Switch
Adjust
Select
Power On/Off.
FM Radio
Search Broadcast Channel ..........-..
Shortcut Operation ....................... I 2
Menu Operation
Delete Channel
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............................... 4
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8
8
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Set SQL Level 11

o VHF Frequency Range/1 36-1 73'995MHz
. UHF Frequency Range/400-469'995MHz
. 199 Stored Channels
. CTCSS/DCS
. VOX Function
o Calling Function
. PC Programmable
o Wired CoPY Function
. Alarm Function
. Group Programmable
. FM Radio Function
. High/Low Power Selection
o NarrowAVide Bandwidth Selection
. Chinese/English Voice Annunciation(Optional)
Ir
MIC

Charge Battery Pack
The battery is not charged in the
factory and please charges it before
using. The first charging can't
reach full capability after buying or
storing for a long time (more than
two months). Please charge and
discharge it for two or three times to
really reach full capability.
Plug the uncharged battery or
transceiver with battery into charger, and make sure the battery
contact with charging terminal. Red light means charging on,
while green light means off.
Notice:
. Please do not charge the battery again if it is charged fully,
otherwise, the life of the battery will be shorted or it will be
damaged.
. Please turn ofi the transceiver before charging. lt may disturb
charging if you use the transceiver when charging.
. lt comes to the limit of the battery life if the use time of
transceiver shortens obviously even charging is correct. Please
change new battery pack.
lnstall/Remove Battery Pack
Match battery pack with button
at the back of transceiver, then
slide battery pack upon until
hearing a clatter.
Please turn off the transceiver
first before removing battery
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pack. Push battery latch on the top of
the transceiver to release the upside of
battery pack, and then pull it away froni the
transceiver.
lnstall Belt Glip
Fix belt clip with two matched screws to
make it convenient to take if necessary.
lnstall 0ptional Speaker/MlG Earphone
Used for earphone and wired copy between
two radios, and also operate with pC
software. (Please contact the dealer about
data wire and PC software.)
Keypad
lnput Frequency and operate function.
@m@@
@@@@
@@@@
@@@@
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LCD Screen B'-o AO t J t,F @ B
,HEEEEE#
SKIP LM DV CI) ..\\ Yll
You can find kinds of indicators on the screen showing selected
content. Sometimes you may forget what these indicators
represent or how to set them. And then the following table can be
useful.
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F\ppear when CTCSS is on
@{ppear when DCS is on
.$ Appear when VOX is on
SKIP Add scanned channel
+lncrease frequency
Decrease frequency
dAppear when keypad is locked
q> \ppear when group is on
AO \ppear when FM radio is on
L-ow power transmitting
pear when pressing F and
Display frequency in use or menu function
Appear when reverse frequency is on
6l

I FR Mode(Frequency Mode)
Under FR mode, you can re-press @ ro select full frequency or
channel number.
You can pr"..@Eto change, or directly input your needed
full frequency or channel number.
I CH Mode(ChannelMode)
Press@o swift the power on,then switch to CH mode. Under
CH mode,You can press @ [El to change channel number, or
directly input your needed number. You have to store at least one
channel, or you can not enter this mode.
NOTE:Press @ anO switch the power on,and you can change
between FR and CH mode.
I Menu Mode
press @ then press [@] to enter menu. tren press@{El
I lgl
to select. You can enter menu to operate, and operation details
please refer to "Menu Operation."
I Switch Power On/Off
Turn the Power/Volume knob clockwise to switch on the
transceiver; turn the Power/ly'olume knob counterclockwise to
switch the transceiver off.
I Adjust Volume
Turn the PowerAy'olume knob clockwise to increase volume; turn
it counterclockwise to decrease volume.
I Select Frequency
Press@to i n c rease f req u e n cy; pr"."[ vl=]to d ec rease
frequency.
lf you can't get your needed frequency, please change frequency
step, details refer to "Set Frequency Step."
Or you can input your needed frequency via keypad, details refer
to "Keypad"
I PTT Transmit
1. Press and hold "PTT" and speak normally. (Red light flashes
while transmitting.)
2. Release "PTT" to turn to receiving state.
I VOX Transmit
1. You can set VOX plus and VOX stop to delay transmit time in
menu function.(VOX plus:1 is the highest level,you need to speak
loud to powerfully transmit; 9 is the lowest level.)
2. Press@, then press {ffi] to turn VOX function on.
3. lnsert the MIC earphone.
4. Speak to MlC, and it can transmit when you speak loud
lt 8l

enough.
I MONI
1. Press MONI to enter Moni mode. (SQL on)
2. ode(SQL on), then release 'MONI', the transceiver is still in
MONI mode; then press 'MONI' to exit Moni mode.
I Alarm Function
t . tlotO I rtr I tor 1O seconds to enter Alarm function.
2. Turn the Volume knob to change alarming volume.
3. lf there is frequency in stored channel, the transceiver will auto
transmit.
4. Under Alarm function, the transceiver rings and transmits for 20
seconds, and there are 1 0 seconds between the first and second
ringing. After recycling for 3 times, it exits, then back to normal
state.
5. While alarming during 10 seconds, the transceiver exits when
receiving signal, then back to nonnal state.
6. While alarming, you can also press "PTT" to exit.
I Calling Function
1. Press [T.rl tfr"n release it shorfly,transceiver enters calling
state; A calling signal is transmitted, and it lasts for 4 seconds.
2. Under calling state, you can press PTT to stop calling, back to
standby state.
3. When calling is received, the transceiver rings, and matched
icon flickers in the screen.
I Keylock On/Off
1. Under standby mode,hold @ tor one second to switch
keylock onloff.
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I Turn On/Off FM Radio
Under standby mode,press @ to enter FM Radio function,then
press "MONI" to switch FM Radio on/off. When radio is on, LCD
screen displays"AO".Under Full Frequency mode,you can input
4-5 digital numbers, or you can press @)[[il=l to change the
radio frequency; frequency step is SOK;Under CH mode,you
"an press@)@ or input 2 digital numbers(O1 -25)to change
curent channel.
I Select FR/CH Mode
Under FM Radio mode, press (@ to switch FM radio,s FR/CH
mode(You can't switch when FM Radio is off.)
I Search BroadcastChannel
Under FM Radio mode, you can use this functon to quicky get
your needed channel.
Under FM radio frequency mode,pres. @ to enter this
function,then pre"s lffilto search broadcast channel.
LCD displays"Rs UP/dN". you can press G)lfill to change
searching direction. Press any other key to exit searching.
When certain channel is searched, FM radio stops at the searched
frequency and then exits.
While searching, press PT-[ and lt will auto exit.
I Set MON! Mode
Setting Way:Under FM Radio mode,press @ to enter function
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option,then press @)] to enter this function;Select DW,then press
F to enter; press @ [Fl to select,finally press F to confirm.
NOTE:When DW is ON,you can MONI signal under FM radio
mode; while receiving signal, it will exit FM radio mode to enter
receiving mode. After speaking, it will auto return to FM radio
mode.
When DWis OFF, it will stay in FM radio mode.
I SetSQLLevel
Under FM Radio mode,press @ to function option,then press
@,o set SQL level. Youc an press @@ to select level
0-9. Then press any key to exit.
I Store Channel Data
Under FM Radio mode,input radio frequcny, pr""" [D,th"n
pr""" @ to store channel data; press @m to select the
channel you want to store,then pr"ss [D to store data.
I Delete Channel Data
Set FM Radio mode and CH mode,then switch the power off.
Hold @ and switch the power on to delete FM radio channel
data. Now LCD displays"xx DEL". eress G)[F] to select
channel,then press @,lCD displays"xx YES". Finally press
@ ,o delete. After deleting, LCD displays"xx DEL". You can go
to delete next channel.
For A86, pr""" @, then pess 0-9,#/. to operate, and you can
edit the function easier.
I Set SQL Leve!
t. PresstD,then press@lto set SQL level. There are levels 0-9.
2. Press @E to select SQL level,confirm and store, then
press any other key to exit.
I VOX Function On/Off
Press @ then press @,o switch VOX function on/off. While
VOX Function is on, the icon will show on the screen.
I Reverse Frequency Function On/Off
Press [D then press @)lto switch Reverse Frequency function
on/off. While this function is on, the icon will show on the screen.
When this channel is without transmit frequency, you can't enter
Reverse Frequcny function.
I Set FrequencyStep
1. Press(Dthen press @ ao set frequency step. There are
5K/ 1 0K/ 1 2.5K/20W25W 30K/ 50K.
2. Press @E to select frequency step,confirm and store,
then press any other key to exit.
I Set Different Frequency
eress @ then press @,o switch different frequency. With
plus frequency, LCD screen shows +; with reduce frequency, LCD
t
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screen shows -,
I Scan
1. Press @ tn"n pr""s [@lto begin scanning.
2. Press @ while scanning, the radio will save currently
scanned frequency/channel, then exit scanning. lf you press
any other key, the radio won't save any frequency/channel and
directly exit.
3. While scanning,,press @lEl to change scanning direction.
4. VFO Mode:radio will scan all frequency ranges.
5. CH Mode:while out of group mode, radio will scan the stored
channel(you can store 199 channels in total);under group mode,
radio will scan the stored channel in the group(you can store no
more than 20 channel each group).
6. lf there are less than 2 stored channels, and they aren't added,
radio can't scan.
I Set TransmiVReceive Signal
1. Press [D tnen press @,to set TransmiVReceive signa.
Z. Press @ to switch signal type,see as below:
OFF--+CTCSS+DCS N
s. Press @ to adjust DCS,see as below:
DCS N--+DCS I
a. Press @)lmlto select your needed group.
5. Press @,o store and exit. Other keys are no use to exit'
NOTE:When under CH XXX Mode, you can't set Transmit/
Reveive signa.
I Set Transmit Signal
1. Press @ tnen press @l to set transmit signal.
2. Press @ ro switch the signal type,see as below:
OFF+CTCSS+DCSN+OFF
3. Press @ to adjust DCS,see as below:
DCS N +DCS I
a. Press @)El to select your needed group.
5. Press @ to store and exit. Other keys are no use to exit.
NOTE:When under CH XXX mode, you can't set transmit signal.
I Menu Option
Press @ then press @,o enter menu option. Details please
refer to below operations.
I Select Working Group
'l . Press [D then press @,o select working group.
2. Press @m to select your needed group. There are 10
groups A-J to select. Only the group with stored channel(s) can
be selected.
3. Press any other key to exit, back to standby mode.
NOTE:With the radio under CH mode,and Group Function is
on,your operation is available.
I Store NewOhannel
1. Under full frequency mode,you can store new channel.
l.J 14ll

2. Prses @ tn"n pre"" [@r to store new channel; the channel
number and F will flicker on the screen.
3. Press @m to select the channel you want to channel, or
directly input number to select the channels to store.
+. Press [D to confirm and exit.
I Set High/Low Power
1. Under standby mode,press @ ,o enter function option,then
pres" @ to switch high/low power.
2. When it's low power, LCD screen show"L".
Press (D then press @l radio enter menu function. Press
@[E] ,o select menu options;
Press (@ to enter, then press @@ to adjust,finally press
: .-
It-do confirm and back to last option.
You can also press lffilto exit,back to last option.
Menu Details As Below:
1. Set Ringing
Ofi:turn off ringing
On:turn on ringing
NOTE:When radio is without"Voice Annunciation Function",you
have to close "Voice Numbering Function" in No.17 to allow
ringing and beeping.
2. Set Background Light
On:background light keep on
Off:background light keep off
Auot:background light on when you press any key; it's otf
without any operation within 10 seconds.
3. Set Timeout
You can select:OFF/30/60/90/ 1 20/ 1 50/ 1 80/21 O/24O/27 0(s)
4. Set Different Frequency
You can directly input 5 digital numbers of different
frequency:(00.000M-99.995M)(lt can only be set under full
frequency mode).
5. Turn On/Off Group
I rs 16 I

On:turn on group
Off:turn off group
There are total 199 channel in this radio, divided in 10 groups.
There are respectively 20 channels in first g groups, while 1g
channels for lsat group.
The channels 1-20 are in group A, channels 21-40 are in group
B, followings are according, and channels 181-1gg are in group
J.(lt is available only under CH mode.)
6. Show Curuent Battery Voltage
Show current battery voltage when switching the power on,
back to standy mode after 1 0 seconds.
7. Set VOX Level
Set VOX from levesl -9
8. Set VOX Timeout
You can select:0.3S/0.5S/1.0S/1 .5S/2.0S/3.0S
9. Save Time
On:turn on save power function
Off:turn off save power function
10. Set Scan Mode
CO:carrier wave scan
TO:time scan
SE:single time scan; it stops when any signal is scanned
11. Set Scan Add/Delete
ADD:add
DEL:delete
12. Set Keylock Mode
ltt
Manu:lock keypad by hand
AuTo:auto lock keypad
13. Set Boot-strap Display
OFF:not show any content
DC:show current voltage
MSG:show greeting words
14. Set Boot-strap lnformation
You can set information with 5 letters. press @El ,o
select letters; press (@ to switch to next letter; ** l@ a
cancel front letter, press @,o confirm and exit.
15. Set Channel Name
On:show channel name under CH mode
Off:no show channel name under CH mode
16. Set MONI Mode under CH mode
When DW is ON,you can MONI signal under FM radio mode;
while receiving signal, it will exit FM radio mode to enter receiving
mode. After speaking, it will auto return to FM radio mode.
When DW is OFE it will stay in FM radio mode.
17. Voice Annunciation Function
When VOIC is ON, turn on voice annunciation function
When VOIC is OFE turn off voice annunciation function
NOTE: voice annunciation function must be turned off if radio
is without this function, to allow beep and ringing work.
18. Wide/Narrow Bandwidth Selection
W: select wide band
N:select narrow band
18 1

Note:When you select wide band, please set same for radios in
same group, to guarantee voice quality.
I Keypad lnput
1. Under CH mode,input 1-3 digital numbers to switch current
frequency. After inputing, radio will switch to your input channel if
it has stored frequency, unless it returns to original channel.
eg:CH 1:(input 001)
CH 123:(input 123) CH 98:(input 098 or 98)
2. Under FR(full frequency) mode,input 6 digital numbers to switch
current frequency. After inputing, radio will switch to your input
frequency if it's available, unless it returns to original frequency.
1. Your radio must be under 'Channel + Frequency" mode.
2. Hol@to switch power on. Now LCD screen shows"DEl",and
channel number fl ickers.
3. Press @m to select your needed channel,or directly
input your needed channel number,then pr"". @, now LCD
screen shows"YES'.
4. Finally press @ to confirm. After deleting first channel, radio
switches to next channel stored with frequency. lf all channels are
without frequenry, radio will exit, back to full frequency mode.
Irs 201

I SetStored Channel
go16 [r'ro0 ano @ to switch power on. LCD screen
shows"SELF", then press [D, f-CO screen shows*CH-1 ".
1. Select Channel Number
ersess @)lml to select your needed channel, you can select
ranges from 1 -199.
2. Set Receive Frequency
Press @ to set receive frequency. Press @ *o select whether
setting receive frequency of current channel. lf you want to delete
curret channel, you can pre". @, LCD screen shows,,------
",then press @ ,o confirm,now this channel is deleted. Radio
go to delete next channel.
You can also input 6 digital numbers,then pre"" (D to confirm,
then radio enters to receive signa programming.
You calso can press @m to change frequency step to
change current frequency. Press @ ao switch current frequency
step(sMOK/1 2.5K/2OK/25K/3OK/5OK). Press {D to confirm
and tner to receive signal programming.
3. Set Receive Signal
When you enter this option,LOD screen shows(3 OFF), press
@ ao select your needed signal type, then press @m
to select your needed group of receive signal, press (F, to
confirm.
lzt
@@@
oFF + 67.0 + d 023N --->OFF
When you select DQT signal, you can press @ to adjust.
@
DCS N +DCS I
4. Set Transmit Frequency
Please refer to "Set Receive Frequency".
5. Set Transmit Signal
Please refer to "Set Receive Signal".
6. Set Busy Channel Lock
eress @)[ lto select OFF,WAVE Lock or CALL tock, then
press(Dto confirm.
7. Set Add/Delete Scan Function
eress @)[F]l to select Add or Detete scan function,then press
itDto confirm
8. Set High/Low Power
ryS. @[El to select High or Low power function,then press
@ to confirm.
9, Set Channel Name
You can set channel name with five digital names, press
@m to select letter, then pr""" @ to next tetter,press
@ fo delete front letter,then pr""" [D to confirm. Now
current channel is programmed, and radio enters to next
programming channel.
221

I Delete All Channels/Frequencies
Press [trlontl anO (D to switch power on,LCD screen
shows"ClEAR",then press (D, now LCD screen shows,,VFO,,.
eress @{ffi1 to select"VFo"or"FUll", finally press @,o
delete, now radio auto returns to standby mode.
When select"VFO",radio deletes all frequency information, and
save all channel information.
When select"FULL",radio deletes all frequency and channel
)nformat)on.
I PC Program Function:
1. Connect the radio's SP/MlC jack and computer
COM(communication port) with the program cable,then switch
power on.
2. Turn on the computer,and launch the program software. Read
the parameters of the radio, then select your needed frequency
and other function parameters. Afterwards, click related button to
write to radio, or directly press the relative signal on the toolbar to
start writing. After the progress is finished, LCD screen displays
"Succeed". Now all parameters are written in the radio.
I Wired Copy Function
eress {froNtl and [F] to switch power on to enter wired copy
state, LCD screen displays"ClonE",then press MONI to
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begin copying. While copying,the copied radio will show"Cl
OU",copying radio show"CL lN". When successfully copied, the
copied radio shows"End", then auto back to the original state of
wired copy state;when copy failed, the copied radio shows"Err",
then auto back to the original state of wired copy. lt takes about
15 seconds to finish copying.
241

:1 36-1 73.995MH2 UHF:400-469.995MH2
Plase lock frequency synthesize
DC7.4V Li-ion battery
Simplex of co-frequency or alien frequency
102mm x62mm x35mm
2209(including battery pack)
High Power:SW Low Power:1W
Frequency Modulate
ximum Frequency
Power<1300mA
Power<800mA
<0.20uV(12dB SINAD)
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