CRT 4CF User manual

USER MANUAL

SAFETY INFORMATION FOR USER
CRT transceiver is excellently designed with advanced technology. Please observe the following
precautions to perform your obligation, prevent personal injury and ensure the safety of transceiver usage.
1. Keep the transceiver and accessories away from children.
2. Please do not try to open or modify the transceiver without permission, non-professionals process may
also cause damage.
3. Please use assorted battery and charger to avoid damage.
4. Please use assorted antenna to ensure the communication distance.
5. Please do not expose the transceiver to long period of direct sunlight, nor place it close to heat
appliances.
6. Please do not put the transceiver in excessively dusty or humid areas.
7. Do not use harsh chemicals, cleaning solvents to clean the transceiver.
8. Do not transmit without antenna.
9. When using this transceiver, we recommend transmitting for 1 minute then receiving for 4 minutes.
Continuous transmitting for long time or working in high power will heat the back of the transceiver. Do
not place the transceiver’s hot back close to any surface of plastic.
10.If any abnormal odor or smoke detected coming from the transceiver, turn off the power and take off
the battery pack and its case. Then contact local CRT dealers.
NOTICE
All tips as above also apply to the standard parts of CRT transceiver. If any spare parts fail to work,
please contact local CRT dealers in time. If users use spare parts from other suppliers instead of CRT, the
safety and performance of the transceiver can't be guaranteed.

THANK YOU FOR YOUR PURCHASE!
groups CTCSS encode/decode, 1 group user-dened CTCSS encode/decode, 1024 groups DCS encode/
mode at the same time, skip interfering channels while scanning and choose single or dual PTT buttons.
The frequency of named channels can be easily displayed and the scanning rate of channels is adjustable via
software. Dual standby, dual display, dual receive channel, cross-band repeater functions, frequecny hopping
functions(FHSS).
decode, plus 2Tone, 5Tone and DTMF encode/decode.
Unique features include the ability to adjust squelch level on-the-ly, display both channel mode and frequency
Features include 199 memory channels, memory banks, UV-VV-UU modes, dual PTT(programmable), 51

TABLE OF CONTENTS
CONTENS ....................................................................................................................................................................................................01
Contents ................................................................................................................................................................................................... 01
STANDARD ACCESSORIES/ADDITIONAL ACCESSORIES...............................................................................................04
Standard Accessories..........................................................................................................................................................................04
Additional Accessories........................................................................................................................................................................04
OPERATION MODE 05
BATTERY INFORMATION........................................................................................................................................................................06
How to Charge........................................................................................................................................................................................06
Charging Prompt....................................................................................................................................................................................07
GETTING ACQUAINTED.......................................................................................................................................................................... 08
LCD Display ............................................................................................................................................................................................. 08
BASIC OPERATIONS.................................................................................................................................................................................10
Switch between Main band and Sub band ...............................................................................................................................
01
Switch between Channel mode and VFO mode....................................................................................................................
Channel Adjusting .................................................................................................................................................................................
Frequency Adjusting.............................................................................................................................................................................
Frequency Input by Keypad .............................................................................................................................................................
Channel Input by Keypad ..................................................................................................................................................................
Squelch Off Momentary / Squelch Off.........................................................................................................................................
Receiving...................................................................................................................................................................................................
Transmitting..............................................................................................................................................................................................
Emergency Alarm ..................................................................................................................................................................................
Side Key [PF1] function instruction...............................................................................................................................................
Side key [PF2] function instruction................................................................................................................................................
Edit channel..............................................................................................................................................................................................
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10
10
10
10
11
11
11
12
12
13
13
14
14

TABLE OF CONTENTS
Delete channel........................................................................................................................................................................................ 14
Programming scan................................................................................................................................................................................ 15
SHORTCUT OPERATIONS ..................................................................................................................................................................... 16
Turn On/ Off FM Radio........................................................................................................................................................................ 16
Add/Cancel Optional signal decode function........................................................................................................................... 16
CTCSS/DCS Scan................................................................................................................................................................................ 17
Offset Frequency Direction Setup................................................................................................................................................. 17
Frequency/Channel Scan.................................................................................................................................................................. 18
Channel Scan Skip ............................................................................................................................................................................... 18
Frequency Reverse .............................................................................................................................................................................. 19
TX Power selection............................................................................................................................................................................... 19
Talk Around function ........................................................................................................................................................19
DTMF code Transmit and Enquiry ................................................................................................................................................ 20
02
Single-band Switching......................................................................................................................................................................... 21
CTCSS/DCS Encode and Decode................................................................................................................................................ 21
Cross-Band Repeater ................................................................................................................................................ 21
Function Menu Setup ...................................................................................................................................................... 22
Senior Function Operations ................................................................................................................................................................. 29
Display Mode Setup............................................................................................................................................................................. 29
Resume Factory Default .................................................................................................................................................................... 29
Cloning Cable..........................................................................................................................................................................................
Memory Bank ....................................................................................................................................................................... 32
Memory Bank Switch........................................................................................................................................................................... 32
Memory Bank Exit ................................................................................................................................................................................. 32
Bank Linking.............................................................................................................................................................................................
........................
........................
........................
33
Keypad lock.............................................................................................................................................................................................. 20
30
(Version D )

TABLE OF CONTENTS
Programming software starting (Takes Windows XP system for example) ...........................................................34
TECHNICAL SPECIFICATION...............................................................................................................................................................35
ATTACHED CHART.....................................................................................................................................................................................37
CTCSS Frequency Chart...................................................................................................................................................................37
DCS Frequency Chart 38
.......................................................................................................................................................................
03

04
STANDARD ACCESSORIES/ADDITIONAL ACCESSORIES
Standard Accessories
Additional Accessories
Antenna Li-ion Battery
USB Programming
Cable Earphone
Handheld
Microphone
Battery Charger AC Adaptor Belt Clip
Battery Pack
for Car Charger
Car
Charger Clonecable

05
How to choose a operation Mode:
1.
By programming software:A. In PC software's "General Setting" menu to choose "Display Mode",
channel mode works as Professional transceiver, other two modes as Amateur transceiver.
By manual setup:B. Please refer to "Display Mode" .
Amateur Mode:
2.
Under this mode, press key can switch between Channel mode and VFO mode.
Frequency + Channel mode:A.
When set display as "FREQ", the radio enters Frequency +Channel mode, new setting of channel
operation and shortcut operation can be temporarily used by user. Once the radio is turned off
or switched to another channel, the temporary setting will be erased and back to initial settings
Channel+Name Tag Mode:B.
When set display as "NAME", it enters Channel+Name Tag Mode.
the LCD will display corresponding channel name when the current channel is edited with name.
Otherwise, it will display frequency + channel.
VFO Mode(Frequency mode):C.
This mode shows only frequency on the display. Shortcut operation and Channel setting will be
changed and stored as the latest value permanently. Once the radio is turned off or changed to
new VFO frequency, the value is remained until next change.
OPERATION MODE
Professional Mode:
3.
when set as CH mode, all radio functions shall be set by PC software, besides scan, DTMF encode,
keypad lock. In CH mode, users can't return to amateur mode by menu function.

How to Charge
Plug the AC adaptor into the AC outlet, then plug the
1.
cable of AC adaptor into the DC jack, the indicator
lights orange for 1s and turns into GREEN---waits to
charge.
Slide the battery or transceiver with battery into the
2.
charger; make sure the battery terminals are in contact
with the charging terminals. LED turns into twinkling
RED---pre-charging begins.
Pre-charging for about 5 minutes, LED twinkles stop
3.
then charging begins.
It takes about 5.5 hours to fully charge the battery,
4.
when LED turns into GREEN— full charged.
BATTERY INFORMATION
Ac Input
06
Charging Process:
5.
Status LED
Standby (self-examine orange lights
1second when power on)
Pre-charging (pre-charging stage)
Charging (charge in constant currency)
Full charged (charge in constant voltage)
Green light
Red light twinkles for about 5 minutes
RED light lightens for about 5.5 hours
Green light