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DC-1074
Professional FM Transceive
r
Instruction Manua
l
Use of t
he citize
n band radio servic
e
is licensed in Australia by ACMA
Radiocommunications (Citizen Band
Radio Stations) Class Licence and in
New Zealand by MED G
eneral Use
r
Radio Licence for Citizens Ban
d
Radio. Operation is subjec
t t
o
conditions contained in those licences
.
,-
---
'
r
J
,
'
I
l
I
.
,
'
Control
s a
nd Indicator
s
6
2
4
11
5
1
2
7
1
3
8
1
4
9
1
5
3
1
0
1
6
1
7
1. High e
fficiency antenna
2. Belt Cli
p
3. Battery door
4. PTT (Push-To-Talk)
P
TI
button
5. Lamp/Monitor
MON
button
6. Ext
ernal earset-microphone jack
7. Key Loc
k
o-w
button
8. Channel UP• button
9. Channel DOWN T button
10. Built-in Micropho
ne
11. Backlighted LCD displa
y
12. ON-O
FF
(!)
button
13. Ca
ll Tone c button
14. Volume UP~ butto
n
15. Volume DOWN T button
16. Menu button
17. Built-in Speaker
-1-
L
CD Display
K
A
B
C
D
E
F
L
M
N
0
f1
(
rrr
>
.,
.
.,
)
0
REP
~--
1
G
H
J
A. Keypad LOCK icon - is lighted when buttons are locked.
B. TX icon - is lighted on when the radio is in transmit mode.
C
. RX icon - is lighted on when t
he radio is in receive mode
.
D
. DW icon - Dual Watch functio
n
E.Scan icon -Automatic channels or CTCSS code scanning
F. LO icon - Transmitter Low Power icon
G. Keypad Beep Tone ic
on
H. VOX (handsfree use) ic
on
I.
CTCSS Code number(1-38)
J
.
REP icon - is lighted when the repeater function is activated.
K. Selected Channel Indication (1-80)
L. Stop Watch function ico
n
M
.
Power save function icon
N. Roger Be
ep function ico
n
0
.
Battery Status Indicato
r
-2-
Feature
• FM transmission
Frequency:476.425 - 4 77.4125MHz
1-80 channel
s
• 0.5W/3W output power selection
• TOTtimer
• External h
eadset ( earphone, microphon
e and ext PTT)
• VOX function ( off, 1,2,3,4,5
)
• Call tone melody (5 songs
)
• LCD back-light functio
n
• Automatic squelch functio
n
• Key lock functio
n
• Key to
ne function (selectable on/off
)
• Roger tone function ( selectabl
e on/off
)
• Auto power saver /w indication
• Tx and Rx ico
n
• Dual watch function
• Scan channe
l
• Stop watch function ( <59'59"
)
• I PX?* water proof
• 950mAh Li-ion battery pac
k
• Charging indication (icon flashing
)
• Cigarette car charger plug (opti
onal)
IPX7- The short-time immersion test· leachi
ng tank. It
s siz
e s
hould be make the sample in the leaching
tank, the distance to the surfa
ce at the bottom of the sample at least 1 m. At the top of the sample
to the surface at l
east for 30 minutes from a distance of0.15 m
.
-3-
;
,
Insta
llation
1. Removing t
he Belt Clip
a. Pull the Belt Clip Latch
away from the uni
t.
b. While pulli
ng the Belt
Clip Latch, push up th
e
Belt Clip a
s shown in
Figure 1.
2
. Installing the Belt Clip
a. Slide t
he Belt Clip int
o
t
he slot as show
n i
n
Figure 2.
b. A "click" indicates t
he
Belt Clip is lock
ed into
position.
3
. Installing the s
upplied Li-ion Rechargeable Battery
.
a. Unscrew t
he screw an
d
then remove the batte
ry
door.
b. Insert t
he battery connector
in the connector locate
d
inside the battery com
-
partment and insta
ll th
e
battery pack
.
c. Re-install the battery doo
r
and tighten the screw
.
Belt clip latch
Figure 1
Figure 4
Figure
2
Figure
5
4. Charging the Rechargeable Battery pack
.
Recommen
d to turning OFF the unit while charging.
Charge the Battery pack 10-14 hrs. prior
to initial use
.
When the battery capacity i
s low, the bA Lo indicatio
n a
nd
the battery status icon will flas
h on the LCD display
.
Recharge t
he battery pack at th
is time, please refer to the
following item "BATT
ERY CHARGING"
.
-4-
Battery Chargi
ng
T
he unit
s must be used with original Charge
r
Bas
e and AC -DC Adaptor.
• AC -DC Adaptor: input 230V AC 50Hz
-
Output 12V DC 200m
A.
1. Turn the unit O
FF (Recommend to turni
ng
O
FF the unit while charging)
.
2. Insta
ll origin
al Rechargeable B
atte
ry Pack
into the battery compartment of un
it.
3. Connect t
he ja
ck
of t
he AC-DC
adaptor t
o
the socket at the ba
ck of the charger base
(make sure the ja
ck has been fully inserted
into the socket with some force). C
onnect
the AC-
DC ada
ptor to t
he mains powe
r
s
upply
.
4. Place the unit into the Charger Base.
5. The LED Indicators on t
he Charger Bas
e
will tu
rn RED once.electricity get connected.
6. T
he LED w
ill tu
rn Green when th
e batte
ry is
full
y charged.
7
. Unpl
ug the Adaptor. Tu
rn the unit ON
.
A
The charger b
ase is not water proof, ensure the radi
o
~
is d
ry before c
onnecting to the charger
.
NOTE:
1. LED Indicators on the charger base will NOT turn OFF automatically,
except tak
e out the uni
t from t
he charger base and disconnect the
electricity.
2. I
t takes approximately 6 hours to fully charge the batte
ry pa
ck if they
are at their lowest level or takes around 14 hours to fully charge the
new battery pack.
·
The LED indicators wi
ll tu
rn green when the batte
ry is fully charged.
3. In case LED Indicators on t
he Charger Base do n
ot turn RED wit
h
units placed inside, pleas
e double check if units being put in pr
ope
r
position. or ch
ange battery pa
ck and retry the recharge process.
-5-
i, '
t
Battery Pack Warning
1. If you're n
ot going to use the unit for a long period of tim
e
e.g. several week, please take out the battery.
2. Pleas
e dispose of ol
d and defective batteries in a safe &
environmentally friendly manner.
3. Do not dispos
e of batteries in fire.
4. Only replace batteries with t
he same or equivalent type
recommende
d by t
he manufacturer.
ill
The exclamation point withi
n an equilateral triangle is
i
ntended to aler
t t
he user to the presence of importan
t
operatin
g a
nd maintenance (servicing) instructions in
the literature accompanying the appliance
.
Floating/Waterproo
f
T
he radio is designed to mee
t the water proofing standard o
f
IPX7 and will float in water
. It can withstand immersion in wate
r
up to 1 m depth for 30 min
.
This is not suitable for scub
a diving
.
The radio will only meet thi
s rating if fully assembled and all
rubber seals are we
ll maintained and correctly
fitted.
After your radio is submerged in water, you might notice that
the sound is distorted. This is because there is still water
remaining in and around the speaker and microphone.
Just shake t
he radio to clear excess water,
and the soun
d
s
hould retu
rn
to normal.
If your radio is exposed
to salt water, clean
your radio thoroughly with fresh water, an
d
dry it before turning it on
.
,
-6-
Operation
Power ON-OFF
1. To turn
on the unit, press and hold the ON-OF
F button, the LCD
display will show the channel number a
nd the CTCSS code n
umber.
2. To tu
rn off the unit, pre
ss and hol
d again the ON-OF
F button.
Using the radio
T
he unit has 80 main channels (Channel 22,23,61,62 &
63 being
inhibited) and
38 CTCSS codes for each cha
nne
l. You can communicate wit
h any
other radios
that is usi
ng the same main channel & CTCSS code.
In Australia
,
1. Except i
n an emergency, the unit must n
ot be operated on
c
hannel 5 a
nd 35
;
2. Channel 11 is the customary calling channel for establishin
g
com
munication;
3. Channel 40 is the cust
omary road vehicle cha
nne
l.
Speaking to other radios
1. Press an
d hold the PTT button,
the TX icon will be lighted on the
LCD display.
2. Hold th
e unit i
n a vertical position with the Microphone at 5-8 cm
from the mouth and then s
peak.
3: When you have finished speaking, release the PTT bu
tton.
4. Now yo
u are ready to receive incoming si
gna
l. Adjust the volum
e
to the desired level if necessary.
Time-out Timer (TOT
)
A timer disables transmitting after 3 minutes maximum
transmission period.
Transmi
tting can only be reactivated by releasing and pressing th
e
PTT button again.
Usi
ng th
e earset-microphon
e
1. Plug the earset-microphone into t
he earphone.
2. Press the PTT button on th
e ear
phone to s
peak and release it
to
listen.
3. Adjust volume control if necessary.
-7-
Channel Selection
Pre
ss the
CH UP
o
r
CH DOW
N
to selec
t the desired channel (1
-
80)
.
T
he factory default start up channe
l is channel 1
and sub-
channel 00.
Before selecting a channel
for communicatio
n, always listen on
it and ensure it is not already being used. Always avoi
d
selecti
ng a busy channel when the unit keeps
on receivin
g
signal from unknown party
.
Adjust speaker volume (8 Levels
)
1. Press th
e
VOL UP t
o increase the volume
.
2. Press th
e
VOL DOWN
to decreas
e the volume
.
T
he LE ico
n and the selected volume leve
l (01-08) will appear
on the LCD display
.
Repeater functio
n
Repeater facility is a third party facility which is only available i
n
some local areas.
Only use this function for extending your communication rang
e
when you know the ch
annel of the repeater fac
ility in your
area.
1
.
Pre-set t
he channel (channel 1-8 or 4,1-48) to the ch
annel a
s
specified b
y your local repeater station
.
2
.
Pre
ss
LOCK
button for 1 secon
d to activate/ deactivate the
R
epeater function.
3
.
T
he Radio will automatically send the si
gnal at 30 Channels
(Channel 31-38 or 71- 78) above the original in order to
access
the repeater station. After transmitting, the radi
o
reverts back to its original operating channe
l.
ADD
ITIONAL FUNCTION
S
Menu Operatio
n
Press MENU button to selec
t the functions
.
Menu --> CTCS
S - TX Power selection --> VOX --> VOX
sensitivity--> Channel SCAN--> CTCSS tone SCAN--> Dual
Watch--> CALL Tone--> R
oger Beep--> Keypad Beep Tone-->
Stop Watch
cre
ss
Code Selection
The radio has 38 CTCSS private codes available Different
-8-
l
CTCSS tones may be associated t
o different channels. T
o
choose the desired CTCSS code, please proce
ed as follows
:
1. Press the
MEN
U
button once, the CTCSS code number
blinks on the LCD display. The CTCSS code 00 indicates
that no CTC
SS tone is programmed on that cha
nne
l.
2. Press the
CH UP
o
r
CH DOW
N
buttons
to select the desire
d
CTCSS code number
.
Pressi
ng and holding th
e
CH U
P
o
r
C
H DOW
N
buttons, the
selection will move quicker.
3. To confirm the selectio
n and exit t
he Menu mode, press th
e
LOC
K
button or
MEN
U
button to move to the next function
.
Selecting a CTCSS code of 00 will disable the CTCSS feature
.
To communicate between two or more radios, both the channel
and CTCSS code selections mst be the same. To communicat
e
wit
h other models an
d brands of radios, the actual radi
o
frequency and CTCSS frequency must be matched. T
he
frequency chart and CTCSS code chart are incl
ude
d to help
with thi
s selection
.
Transmitter RF Power Setting
Your radio has a HI/LO Power selection function. This functio
n
i
s very convenient to reduce the current drain an
d extend
battery life when communicating within short distance. T
o
selec
t the output power proceed as follows
:
1. Press the
MENU
button twice, until the HI or Lo icon wil
l
blink on the LCD display
.
2. Press th
e
CH U
P
o
r
CH DOW
N
button to selec
t the desire
d
power level HI (high power) or LO (low power)
.
3. To confirm the selection and exit the Menu mode, press
LOCK
button o
r
MEN
U
button to move to t
he next function.
VOX (Handsfree use) Functio
n
Your radio is equipped with a user selectable Voice Operated
Transmitter function (VOX), that is used for automatic voice
transmission ( h
andsfree use or baby room monitor use)
. I
n
this mode, transmission is automatically initiated by speakin
g
into the micropho
ne and there is no need to push the PTT
button. To e
nable the VOX function, pleas
e proceed as follows:
1. Press th
e
MEN
U
button three time, until the
VOX
icon and
the OFF indication appear on the L
CD display.
I
.l
-9-
r>..
.
[
2. Press
the
CH UP or
CH DOWN buttons to e
nable the VOX
function; the On indication will appear on t
he L
CD display.
3. To confirm the selectio
n and exi
t t
he Me
nu Mode, press
LOCK button or MENU button
to move to the VOX sensitivity
level selection function.
VOX Sensitivity Lev
el Selectio
n
1. Press the MENU button four times
, unt
il the LE indication,
the VOX icon and the selected VOX level will blink on the
L
CD display.
2. Press t
he CH UP or CH DOWN buttons to selec
t the level o
f
sensitivity (from 01
to 05). T
he VOX level
05 indicates th
e
highest VOX sensitivity
.
3. To confirm the selectio
n and exi
t t
he Me
nu mode, pres
s
LOCK button or MENU button to move to the next function.
4. When VOX feature is on, the VOX icon will a
ppear on th
e
LCD display.
5. You can plug i
n the earset-microphone for handsfree talkin
g
and listening
.
Please spea
k close to the mic in order to activate t
he VO
X
function.
Channel Scannin
g
To start t
he channel SCAN functio
n procee
d as follows
:
1. Press the MENU button fiv
e times, until t
he channel number
and the SC icon wi
ll blink on the LCD display.
Press the C
H UP or CH DOWN buttons to start t
he automati
c
channel scanning.
SCAN will automatically stop when a signal is detecte
d o
n
one channel
, in order
to listen
to the communication a
nd
SCAN will re-start when no more signal is detected on that
channels
.
2
. If you press the PTT or LOCK buttons during the SCA
N
operation, SCAN will stop automatically and radio will se
t t
he
last used channe
l.
cress
tone Scanni
ng
This function allows CTCSS tone scanning on the selected
channe
l.
Please proceed as follows
:
-10
-
1. Select the desired ch
annel number, th
e
cress
ton
e
scanning will
be activated on this ch
anne
l.
2. Press the MENU button six times, until the CTCSS to
ne
number and the SC icon will blink on the L
CD display.
3. Press the CH UP or CH DOWN buttons to start the
automatic CTCSS tone scanning on the selected channel;
the SC icon will be lighte
d on the LCD display.
SCAN will automatically stop when a si
gna
l is detected on
the active channel, in order to listen to the communicatio
n
and SCAN wi
ll re-start when no more si
gna
l is detected on
that c
hanne
l.
4. If you press the PTT or LOCK buttons during the SCA
N
operation, SCAN will stop and radio w
ill retu
rn to the the last
used ch
annel.
Dual Watch Functio
n
The radio is equipped wit
h a Dual Watch function that allows to
monitor 2 different ch
annels withou
t the
cress
code.
To set t
he Dual Watch function, please proceed as follows
:
1. Selec
t the first channe
l to be monitored
.
2. Press the ME
NU button seven times, until
the DW icon and
t
he selected ch
annel will blink on the LCD display.
3. Press the CH UP or
CH DOWN buttons to selec
t the secon
d
cha
nne
l to be monitored.
4. Now the radio will start monitori
ng the two channels and wi
ll
stop when a signal is received on one of the two store
d
channels.
5. To disable
the Dual Watch function and return
to Stand-b
y
mode, press t
he LO
CK butto
n.
Call Tone Settin
g
Call tone can only be transm
itt
ed once (not more than 3 sec.
)
in any
60 sec period
.
It means that the unit will no
t transmit a ca
ll tone more than
once
no matter how many times you press t
he "Call" butto
n
within a minute.
T
he radio is equipped with 5 user selectable Ca
ll tone
melodies. To set the desired Ca
ll to
ne melody, pleas
e procee
d
as follows:
1. Press the MENU button eigh
t times, until the C indicatio
n
-11
-
and melody number will blink on the LCD display.
2. Press t
he
CH UP or CH DOWN buttons to se
t the desire
d
melody, between the
5 available melodies
.
3. To confirm the selection
and exit the Me
nu mode, press
LOCK butto
n or MENU butt
on to move to the nex
t function.
4. Press t
he Call button to transmi
t t
he Call Tone Melody
.
Roger Beep Tone Setting
T
he radio is equipped wit
h a user selectable Roger Beep T
one
feature, which enables you to se
nd a Beep T
one at t
he end of
each transmission after every release of the PTT button.
This will prompt any receiving uni
t that your transmission has
ended. To enable or disable this function, please proceed a
s
follows
:
1. Press the MENU button ni
ne times, unt
il the Roger Beep ico
n
and the On or OFF indications will blink on t
he LCD display
.
2. Press t
he CH UP or CH DOWN buttons to se
t t
he desired
selection On (Roger Bee
p tone e
nabled) or OFF (R
oger Beep
tone disabled). If the Roger Beep function is enabled, a be
ep
tone is heard to confirm the selection.
3. To confirm the selection and exi
t t
he Menu mode, pres
s
LOCK button or MENU button to move to the next function.
4. When the Roger Beep tone is enabled, the tone ico
n a
ppears
on the L
CD display.
Keypad Program Tone Settin
g
When a key is pressed, a beep tone is heard to confirm your
command. The user may enabl
e or disabl
e this keypa
d progr
am
tone.
1. Press the MENU ten times, until t
he keypad tone ico
n and the
O
n and OFF indications will blink on the LCD display.
2. Press the CH UP or CH DOWN buttons to se
t the desire
d
selection
on (keypa
d tone e
nabled) or OFF (keypad tone
disabled)
. If the keyp
ad tone is enabled,
a beep tone is heard to
confirm t
he selection
.
3. To confirm t
he selectio
n and exi
t t
he Menu mode, pres
s
LOCK button or ME
NU button
to move to the nex
t function
.
4. When the Keypad tone is enabled, the tone icon appears on
the LCD display
.
-12
-
Stop Watch functio
n
This function will e
nable a one hour timer function.
1. Press the MENU button eleven times, until the Stop Watch
icon and the 00:00 indication wi
ll blink on t
he LCD display
.
2. Press the CH UP butto
n to start counting a
nd press the CH
DOWN button to stop the function. The radio can sti
ll operat
e
i
n this mode
.
3. Press the C
H UP button agai
n to re-star
t.
4. To reset the timer press the C
H DOWN button two times
.
5. To exit to Stand-by mod
e press the LOCK button
.
ADDITIONAL FUNCTION
S
Keypa
d Loc
k
To avoi
d entering unwanted command, press a
nd hold th
e
LOCK button for about 2 seconds. The Lock ic
on wi
ll appear o
n
the LCD display. When the keypad is locked, the PTT, CALL
and Monitor buttons are e
nabled. To unlock the keypad pres
s
and hold the LOCK button
for about 2 seconds.
L
CD Backligh
t
Shortly press the MONITOR butto
n to backligh
t t
he LC
D
display. Press this butto
n again to tu
rn OFF the LCD backli
ght.
Monitor Functio
n
Press an
d hold the MONITOR button for about 4 seconds
to
activate t
he Monitor function. Press MONITOR butto
n onc
e t
o
return
.
If r
equire to listen to wea
k signal wit
h background nois
e
temporarily, press and hold MONITOR button for about
2
seconds. You will hear backgr
ound noise and possible weak
signal from the unit. Release MONITOR button within 2
seconds to return
.
Automat
ic Power Sav
e
The radio has a Automatic Power Save circuit designed t
o
extend battery life. If it senses no signal within 10 seconds, i
t
automaticall
y switches to the Power Save mode. T
he Powe
r
Save icon will appear on the LCD display
.
T
he radio can still receive transmission in this mode.
-13
-
Channel Table
Channe
l
Frequency
Channel
Fre
quenc
y
Chann
el
Frequency
Number
(MH
Z)
Number
(MHZ)
Number
(MH
Z)
1
*
476.4250
2
8 477.100
0
5
5 476.7875
2
*
476.4
500
2
9 477.1250 56
476.8125
3
*
476.4750
30
477.15
00
5
7
476.8375
4
*
476.5000
31
* 477.175
0
5
8
476.862
5
5
*
476.5250 32
*
477.200
0
5
9 476.8875
6
*
476.5500 33
* 477.2250
6
0
476.912
5
7
*
476.5750 34
*
477.250
0 61++
-
8
*
476.6000 35
*
477.275
0 62++
-
9
476.6250 . 36*
477.3000 63
++
-
1
0
476.6500
3
7*
477.3
250
64
477.0125
11 476.675
0
38* 477.3500
6
5
477.037
5
1
2 476.700
0 3
9
477.3750
6
6
477.0625
1
3
476.7250
40
477.4000
6
7
477.0875
1
4
476.7500
41*
476.4
375
68
477.1125
1
5
476.775
0
42
*
476.4625
69
477.1375
1
6
476.800
0
43
* 476.487
5
7
0
477.1625
1
7
476.825
0 44* 476.512
5
71
*
477.1875
1
8
476.850
0
45
* 476.5375
72
*
477.212
5
1
9
476.8750 46*
476.5625
73*
477.2375
2
0 476.9
000 47*
476.587
5
74•
477.2625
2
1
476.9250
48* 476.6125 75*
477.2875
22+
476.9500
4
9 476.637
5
76*
477.312
5
23+
476.9750
5
0 476.662
5
77
*
477.3375
2
4 477.0000
5
1
476.
687
5
78
*
477.3625
25 477.0250
52
476.7125
79
477.3875
2
6
477.0500
53
476.7375
8
0
477.4125
2
7 477.075
0
5
4 476.7625
• Channel 5 and
35 are for emergenc
y calling. Please do not use these sub-channe
ls
i
n non-emergency cases.
+ Speech telephony is i
nhibited on Channel 22 and 23.
-14
-
• Ch
annel 1-8 and 31-38, 41-48 and 71-78 ar
e used a
s repeater channels with 750kHz
offse
t. Channels 1-8 and 41-48 are used for m
obile receptio
n and channels 31-38 and
71-78 for mobile transmission.
Only u
se this repeater function when a long distance communication via the loca
l
repeater facility is specifically required. Unless it is necessary, to avoi
d operation on
l
ocally us
ed repeat
er input channels (ch
annels 31 to 38 and chan
nels 71 to 78) or
locally used repeater re
ceiving channels (ch
annels 1 to 8 and channels 41 t
o 48) is
recommended
.
++
Channel 61,
62 a
nd
63 are reserved for future use. Th
ey cannot be activated un
til
a
pprove
d by the
ACMA
CBRS
Class Licence in Australia
.
CTCSS Frequency Table
Sub Frequenc
y
Sub
F
requenc
y
Sub
Frequency
Channe
l
(HZ)
Channe
l
(HZ)
Channe
l
(HZ)
1
67.
0
1
4
107.
2
27
167.9
2
71.9
1
5
110.9
28
173.8
3 74.
4
1
6
114.8 2
9
179.9
4 77.
0
1
7
118.8
3
0
186.
2
5
79.
7
1
8
123.0
3
1
192.
8
6
82.
5
1
9
127.3
32
203.5
7
85.4
2
0
131.8
33 210.
7
8
88.5
2
1
1'36.
5
3
4
218.
1
9
91.
5
2
2
141.3
3
5
225.
7
1
0
94.
8
2
3
146.2
3
6
233.6
11
97
.4
24
151
.4
3
7
241.8
1
2
100.
0
25
156.7
3
8
250.3
1
3
103.
5 26
162.2
-15
-
Specifications
General
Frequency Contro
l
Frequen
cy Tolerance Transmit
Receive
Operation Temperatur
e
Antenn
a
Microphone
Display
Speaker
Power Source
Transmitter
Frequency Rang
e
Frequency Stabilit
y
Power Output
Spurious Emissions
Current Drai
n
Receive
r
Receiver Typ
e
Frequency Range
Sensitivity (20dB SINAD
)
Audio Output Powe
r
Current Drain Squelc
hed
Max
.
Audio
PLL
2.SPPM (at 25°C
)
2.SPPM (at 25°C)
0°C
to +55°C
Integra
l Antenna
Built-in Electret typ
e
Liquid Crystal Displa_y
80, 1 Watt
Recharg
eable Li-ion
Battery pack 7.4V 950mAh
476.425-477.4125MHz
±3 PPM
0.5W&3
W
1 µW
SOOmA (0.SW), 1200mA (3W)
D
ouble Conversion S
upe
r
Heterody
ne Phas
e
Locked Loop
system for
Local Osc
illator
476.425-477.4125MHz
-
3 dBµV (emf
)
O.SW@ 10% THO
40m
A
350m
A
-16
-
_
Troubleshooti
ng
_
• No power.
Check battery. Ensure that the battery are installed
properly.
The batte
ry may be weak.
Charge t
he supplied battery.
• Reception is w
eak
.
Press the VOL UP butto
n to increase Volume
.
The receiving signal may be weak and/or out of range
.
If this happens, press the MONITOR button
.
• Ca
nnot Change Channels.
To ch
ange channels, press the MENU button until th
e
channel number flashes on the LCD display.
Press the CH UP or DOWN buttons to change ch
annels.
Battery may be weak
.
Keypad Lock must be deactivated.
• Range is limited
.
BATTERY may be weak
.
Char
ge the batte
ry if the Battery Level indicator is low.
The maximum range will vary depending on terrai
n and
environmen
t.
Open fields provide the maximum range, while steel/
concrete structures, hea
vy foliage and use in buildings and
in vehicles may limi
t the range signi
ficantly.
Wearing the radio clos
e to t
he body, suc
h as in a pocke
t o
r
o
n a belt, will decrease range; change
the location o
f the
radio.
• Sound Distortion problems
.
If you are transmitting, speak in
a normal tone of voice
, 2 to
3 inches away from the Microphone.
If you are receiving, lower the volume to a comfortabl
e
level
.
Radios too close. Radios must be at least 5 feet apart
,
increase your distance
.
Radios too far apart. Obstacles interfere with transmission
.
Talk range is up to 10Km in clear unobstructed conditions.
-17
-
.
r
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