CRT ALPHA User manual

1000 000 euros

2021

PAGE
Symbols Description 1
Warning before use –Precautions 2-3
Know about this radio –Microphone connection 4
LCD –Functions and features 5
How to use this radio 6
Power on/off this radio/Volume control/Channel control/SQ/AQ 6
AM-FM/EMG/Scan function 7
Vox function/Talkback level/Norms control 8
Install External speaker/Menu operations 9-10
Band norme setting/Emergency channel Setting 11
Resume factory default 12
CTCSS/DCS Codes 13
European restrictions 14-15
Specifications 16
Frequencies table 17
Supplied Accessories 18
Mobile installation/Power supply connection 19
Antenna installation/Basic operation/Ajustment of SWR 20-21
Conditions of guarantee/Procedure on returning to the aftersales service CRT 22
Declaration of conformity 23

Restrictions
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~
This transceiver corresponds to the requirements of European
directive 368 -1,
EN 301 489 - 1/ - 13, EN 300
RED 2014/53/EU documents n°62
368 -1,
433, EN 62311.
RED 2014/53/EU documents n°62
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- 3 -

Down UP
Microphone cable
Mic
PTT
Connector
1. KNOW ABOUT THIS RADIO
1 Mode/Keypad lock
2 Squelch control, SQ, ASQ switch key
3 Microphone Jack
4 Channel up selector
5 Channel down selector
6 Emergency channel
7 Power On/Off Volume control
8 External speaker Jack
9 Antenna Jack
ANT
POWER
EXT.SP
8
9
- 4 -
EMG
MENU
VOL
CH
SQ/AQ
AM/FM
1
26
7
3
4
5

2. LCD
HI-CUT
RF Gain
Automatical Squelch
Noise Blanker
TALKBACK
Roger Beep
TX
AM/FM mode
TX/RX S-meter
Channel/Frequency
CTCSS DCS VOX
Key lock
Beep sound
Emergency channel
BAND name
Channel
/Menu
FUNCTIONS AND FEATURES
-AM : MODE AM/FM
-VOX FUNCTIONS (TRANSMIT WITHOUT PRESS PTT) (in Vox function , the squelch
must be always engaged)
-AQ: SQ,ASQ FUNCTION
-RFG : RF GAIN FUNCTION –MENU : RFGAIN
-ROGER BEEP –MENU : ROGBP
-NB : NB FUNCTION
-BP: BEEP SOUND –MENU : KEyBP
-HIC: HI - CUT FUNCTION –MENU : HI.CUT
-EMG : EMG CALL –MENU : EMG1 and EMG2
-KEY LOCK FUNCTION
-CTCSS/DCS CODE : MENU : CdTSET
-TBK : TALBACK–MENU : TALBAK
-TX : INDICATES TRANSMISSION
-SRF : TX/RX S - METER
-CHANNEL DISPLAY
-Channel/Frequency/Menu
-LCD with seven background colors and 6 brightness levels (Menu
-Multi frequency norm
-Scan function –Menu : SCM
-ANL/NB function –Menu : ANL/NB
-TOT function –Menu : TOTSET
-Microphone sensivity –Menu
: MISET
-Microphone type –Menu : MICTP
-Reset –Menu : RESET
-Automatic 12/24 V switch
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: BRIGHT)
3. HOW TO USE THIS RADIO
3.1 Power On/Off the Radio.................................................................
3.3 Channel Control ..............................................................................
3.2 Volume Control ...............................................................................
※Squelch level Control (short press)
※ASQ Control (long press)
(1) Turn VOL switch clockwise to power on the radio, the LCD displays the
Norms and then displays channel number.
(2) Turn VOL switch anti-clockwise, until hear Ka Ta, the radio is powered
off.
(1) Short press [UP]/[DN] key to change channel by one step.
(2) Hold [UP]/[DN] can fast changed channel.
(1) Short press
SQ/AQ
, until LCD displays " ", " " stands for
SQ/AQ level, the bigger value stands for high squelch level.
(2) Short press microphone [ UP ] or [ DN ] to change SQ/AQ level.
(3) Long press microphone [ UP ] or [ DN ] can fast change SQ/AQ level.
(4) Short press
SQ/AQ
or wait for 10 seconds to store and exit.
Note: The higher SQ level selected, the stronger signal required to open
speaker and hear the calling.
(1) Long press , until LCD displays "AQ", the ASQ function turned on.
(2) Short press , until LCD displays " ", " " stands for ASQ
level, the bigger value stands for high squelch level.
(3) Short press [UP]/[DN] to change ASQ level.
(4) Hold [UP]/[DN] can fast change ASQ level.
(5) Short press or wait for 10 seconds to store and exit.
(6) Long press key again to turn on SQL function.
Note: The higher ASQ level selected, the stronger signal required to open
speaker and hear the calling.
Turn clockwise to increase volume, anti-clockwise to decrease volume.
3.4
SQ/AQ
...................................................................................................
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※Mode Control (short press)
※Emergency Channel (short press)
※Functions (long press)
※Keypad Lock (long press)
(1) Short press , key to switch between / mode.
(2) The LCD displays the selected mode.
(1) First press , key to choose the first programmed emergency channel,
LCD displays EMG1.
(2) Second press , key to choose the second programmed emergency
channel.
(3) Third press , key to return to last normal channel, LCD displays
EMG2.
Note: The default emergency channel are channel 9 and channel 19.
See menus Emergency Channel Set page 11 for the emergency channel
configuration.
(1) Hold [UP ]/[DN] for over 5 seconds, when you hear /di di/, scan started.
(2) Short press [UP ]/[DN] key to change scan direction.
(3) Short press [AM]/[FM] to change mode, short press EMG or [PTT] to exit
scan.
Long press key to enter in memu and set different function.
(1) Long press key for over 2 seconds to lock the keys, LCD displays
.
(2) Long press key for over 2 seconds again to unlock the keys
disappears form LCD.
Note: In lock Mode all keys except PTT is valid.
3.5 ..................................................................................................
3.6 .....................................................................................................
3.7 Scan Function...................................................................................
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The VOX function allows transmitting by speaking into the original
microphone without pressing the PTT switch.
Press [PTT] + [EMG] key to activate VOX function, LCD displays
microphone icon, and then press [PTT] + [EMG] key to disable VOX
function. The microphone icon disappeared.
Note: When turn on VOX, the mic icon flashes.
This function allows you to adjust the volume of your walkie-talkie.
(1) Start the intercom function (see "intercom" on page 8).
(2) Hold down the PTT switch, then the [up] key increases or the [down] key
decreases the Talkback Level
(3) Release PTT switch and save Talkback Level.
(1) Hold to power on radio, until LCD displays the norms.
(2) Short press or or microphone [UP ]/[DN].
(3) Power off and power on again.
3.8 VOX function.....................................................................................
3.9 Talkback Level ...............................................................................
3.10 Norms Control ................................................................................
MODE FM AM --
EU 40 Ch (4W) 40 Ch (4W) BE,BG,CH,CY,DK,EE,
ES,FI,
FR,GB,EL,IE,IS,IT,LT,L
U,LV,NO,PT,RO,SE
PL -5 KHz 40 Ch
(4W)
-5 KHz 40 Ch
(4W)
PL
DE 80 Ch (4W) 40 Ch (4W) DE
CE 40 Ch (4W) - AT,CZ,HU,MT,SI,SK
U CEPT 40 Ch
+ENG 40 Ch
(4W)
- GB
IN 27 Ch (4W) 27 Ch (4W) IN
I2 36 Ch (4W) 36 Ch (4W) IT
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Choose a 8Ω external speaker with 3.5 mm mono connector.
(1) Long press key to enter menu list.
(2) Short press microphone [ UP ] or [ DN ] or or to choose menu
to be.
(3) Short press key to enter function setting parameter of the chosen
function, the parameter blinks on LCD.
(4) Short press microphone [ UP ] or [ DN ] or or to choose
wanted setting.
3.11 Install External Speaker ..............................................................
3.12 Menu Operations ..........................................................................
(5) Short press key to validate the mode and exit setting.
(6) Long press key or wait 10 seconds to store exit MENU.
NO. LCD display Function detail Setting details
1CTCSS/DCS
encode/decode
: CTCSS/DCS is OFF;
CT: 67.0Hz~250.3Hz；
DT: D023N~D754N；
Note: This function is optional.
2Beep sound
: turn on beep sound
: turn off beep sound
Default:
3 Scan type setting
Sq: squelch scan
tI: time scan
Default:
4 HI-CUT setting
: turn off HI-CUT function
: turn on HI-CUT function
Default:
5Microphone gain 1~9, Total 9 levels
Default: 6
6Microphone type
EL: Electronic
dy: Dynamic
Default: EL
Note: Speak into microphone and watch
the S-meter to choose wanted mic gain.
7VOX Sensitivity 1~9: total 9 levels
Default: 3
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8 VOX Time 1~9: Total 9 levels
Default: 4
9Talkback level
control
, 1~9
Default:
NO. LCD display Function detail Setting details
10 Noise blanker
: turn off ANL/NB function
: turn on ANL/NB function
Default:
11 RF gain level
control
Level AU 03,06,09~48
Default: oF
Note: If the AUTO RFG function is on,
the radio will turn on the automatic
RFG function.
12 RB sound setting
, 1-5
: turn off RB sound function.
Default:
13 Backlight color
setting
OR: Orange
gr: Green
bL: Blue
Cy: Cyan
yE: Yellow
PU: Purple
CL: White
Default: OR
14 Backlight
brighless
Level 1~6
Default: 4
15 Time out timer , 1~10Min
Default: 1
16
17
18
Priority channel 1 Select a channel (9)
Priority channel 2 Select a channel (19)
Reset to factory
preset
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(1) Choose a band to be modified.
(2) Long press key to enter menu list.
(3) Short press microphone [ UP ] or [ DN ] or or to choose BAND
name function memu, LCD displays .
(4) Short press key, the first digit blinks on LCD.
(5) Short press microphone [ UP ] or [ DN ] or or to choose the
character of the first digit.
(6) Short press key to validate the first digit. The second digit blinks on
LCD.
(7) Short press microphone [ UP ] or [ DN ] or or to choose the
character of the second digit.
(8) Short press key to validate the second digit and exit setting.
(9) Long press key or wait 10 seconds to store exit MENU.
(1) Long press key to enter menu list.
(2) Short press microphone [ UP ] or [ DN ] or or to choose EMG
function memu, LCD displays EMG1--09 on or EMG2--19 on.
(3) Short press EMG key, the character "on" or character "oF" blinks on
LCD.
(4) Short press microphone [ UP ] or [ DN ] or or to choose the
emergency channel is valid.
: stands for turn off current emergency channel.
(5) Short press key, the band name blinks on LCD.
(6) Short press microphone [ UP ] or [ DN ] or or to choose the
frequency band.
3.13 Band Name Setting ......................................................................
3.14 Emergency Channel Setting .......................................................
(7) Short press key to validate the frequency band,and the channel
blinks on LCD.
(8) Short press microphone [ UP ] or [ DN ] or or to choose the
channel.
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(1) Long press key to enter menu list.
(2) Short press microphone [ UP ] or [ DN ] or or to choose reset
function memu, LCD displays .
(3) Short press key to enter menu selection, falshes in the
LCD.
(4) Long press key key until LCD only displays .
(5) Release key, the radio automatically reseted.
3.15 Resume Factory Default ............................................................
(9) Short press key to validate the channel,and the mode blinks on LCD.
(10) Short press microphone [ UP ] or [ DN ] or or to choose the
mdoe AM or FM.
(11) Short press key to validate the mode and exit setting.
(12) Long press key or wait 10 seconds to store exit MENU.
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CTCSS/DCS codes
- 13 -

40 ch 4 W AM-FM
European Restrictions
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4. SPECIFICATION
GENERAL
Modulation Mode AM/FM
Frequency Range 26.965-27.405MHz
Frequency Tolerance ±5.0ppm
Input Voltage 12/24V
Dimensions 185x124x38mm
Weight 620g
Operating Temperature Range -20℃ to +50℃
Current Drain
Transmit 3A MAX
Receive Squelched 0.3A
VOL Max 0.7A
Antenna Connector UHF, SO-239
TRANSMITTER
Power Output 4 Watts FM/AM
Transmission interference inferior to 4nW
Frequency Response 300-3000Hz
Modulated signal distortion inferior to 5%
Output Impedance 50 ohms
RECEIVER
Sensitivity Less than 1uV for 10dB(S+N)/N
Image Rejection 70dB
Adjacent Channel Rejection 60dB
IF Frequencies 1st 10.695MHz
2nd 455KHz
Automatic Gain Control(AGC) Less than 10dB change in audio
Output for inputs from 10 to 50000uV
Squelch less than 1uV
Audio Output Power 2Watts at 8Ω less than 10% distortion
Frequency Response 300-3000Hz
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