Retevis RT56 User manual

EU
DE
FR
IT
ES
Dual-band Explosion-proof
Handheld Two Way Radio
RT56
INSTRUCTION MANUAL
Shenzhen Retevis Technology Co.,Ltd

English
To the user:
Thanks for purchasing our explosion-proof transceiver.We believe it will provide great
convenience for your work and life.With novel design and stable performance, you will
experience professional and humanized design from our explosion-proof transceiver.We
believe that you will be satisfied with the quality and functions, and it will provide you with
convenient, quick, reliable two way voice communication.Please read the manual carefully
before using the product.
CAUTION
• Do not operate it in flammable, explosive or other. transceiver-forbidden places such
as petrol station, gas station, hospital, airport etc.
•Do not expose it to direct sunlight for a long time, do not place it near any heating
devices.
• Do not put it in extremely dusty, moist or splash place; do not place it on unstable
surface.
•If it emits smoke or strange odours, remove the battery from the product
immediately and contact us or the local dealer.
• Cannot be transmitted without antenna installed
• Refer service to the well-trained professional technicians only.
• The power supply of this transceiver is DC 7.4V, please use RT56 7.4V 1800mAh
Li-ion Battery as configured. DO NOT repair or disassemble by yourself. DO NOT
charge battery in explosion-proof locations.
•This transceiver should be charged by configured adaptor. Do not use batteries
other than those provided by sup-plier.
•Do not expose it to direct sunlight for a long time, do not place it in environment
near any heating devices with temperatures below -20℃or above +40℃.
•If it emits smoke or strange odours, remove the battery from the product
immediately and contact us or the local dealer.
•Cannot be transmitted without antenna installed, or the devices will be damaged.
•Do not operate it and power off in flammable, explosive environment.
• MAKE SURE transceiver antenna, earphone jack cover and battery cover are dry
before attachment. Exposing the inside of the transceiver to water will result in
serious damage to the transceiver.
•Do not put the battery separately in the water or contact with wet material. Do not
short circuit the battery. DO NOT ATTACH, REMOVE OR CHARGE THE BATTERY IN
EXPLOSION-PROOF LOCATIONS.
1

• Unpacking and Checking Equipment .....................................................................
• Preparation Work ..................................................................................................
• Getting Acquainted ................................................................................................
• Exteral View ......................................................................................................
• Keyboard Description and Shortcut Opertion .......................................................
• LCD Screen ........................................................................................................
• Basic Operation ....................................................................................................
• Power On .............................................................................................................
• Volume Adjustment ...............................................................................................
• Main/Auxiliary Band Selection, single/dual-band stand-by convert. .....................
• PTT Transmitted .....................................................................................................
• Signal Monitoring ...................................................................................................
• Torch Light Function ................................................................................................
• Keypad Lock Function .............................................................................................
• FM Radio Function .................................................................................................
• Fall Alarm Function ..................................................................................................
• Main Functions Operation .......................................................................................
• Mode Selection .....................................................................................................
• Channel Save and Delete ........................................................................................
• DTMF Encode and Decode .....................................................................................
• Transmit 1750Hz Signal ..........................................................................................
• Menu Operation Description ...................................................................................
• Operation Method ...................................................................................................
• Menu Function Description .....................................................................................
• Appendix ...............................................................................................................
• Main Technical Specifications .................................................................................
• Common Troubleshooting ...................................................................................
CONTENTS
04
05
08
08
09
06
10
10
10
10
10
11
11
11
11
11
11
11
13
13
14
14
14
15
18
19
20
2

Safety and Explosion-proof
RT56 explosion-proof handheld transceiver meets GB3836.1-2010 "Explosive
environment Part 1: General requirements for equipment", GB 3 8 3 6 . 4 - 2 0 1 0
"Explosive environment Part 4: Equipment protected by intrinsically safe "i", GB12476.
1-2013 "Electrical equipment for flammable dust environment - Part 1: General
requirements", GB12476.4-2010 "Electrical equipment for flammable dust environment -
Part 4: Intrinsically safe "iD" standard, the explosion-proof mark is Ex ib IIB T4 Gb, which
has passed the inspection and certification of the national explosion-proof product quality
supervision and inspection center, and obtained the explosion-proof certificate, certificate
No. CNEx19.2543X. The product is suitable for use in zones 1 and 2 containing
II A-II B and T1-T4 explosive gas mixtures.
RT56 Eexplosion-proof handheld transceiver adopts a new optimized explosion-proof
design.The battery adopts dual output current Limiting protection and short circuit
protection.The whole structure Design is compact and reliable,with safe and reliable
explosion-proof performance, And is the ideal professional communication Transceiver in
hazardous gas working environment.
Level
Temp-er
ature
II A II B II C
T1(450℃)
Methane,toluene,methy ester,
Ethane,propane,styrene,
Carbonmonoxide, ethylacetate,
Aceticacid,chlorobenzene, methyl
acetate,ammonla
Propylene,
Propylene Clear,
dimethyl ether,
Hydrogen cyanide,
City gas
Hydrogen,
water gas
Methanol, ethanol,ethylbenzene,
Propyl alcohol, propylene,
butanol,Butane, butyl acetate,Amyl
acetate, cyclopentane
Butadiene,ring
Ethoxyethane,
B Ene, furan
Acetylene
T2(300℃)
T3(200℃)
T4(135℃)
T5(100℃)
T6(85℃)
Pentane, pentanol, hexane,Hexanol,
heptane, octane,Ethanol, turpentine,
Naphtha, petroleum (including steam
Oil),fuel oil,Pentanol
tetrachloromethane
Acetaldehyde, trimethylamine
Ethyl nitrite
Ethyl nitrate
Dimethyl ether,
propylene Aldehyde,
hydrogen sulfide
Dibutyl ether, two
Ether, ethyl methyl,
Tetrafluoroethylene
Carbon
disulfide
3

Unpacking and Checking Equipment
Main Function Features:
Supplied Accessories
Please carefully unpack the product and check the main equipment and accessories
listed in the following table. If any items are missing or have been damaged during
shipment, please contact the dealer immediately.
High Power Output：3.5W，HI/MI/LO Power Selective
Dual-frequency range, Dual-band, Dual Display and Stand-by Functions
LCD Display with 2 Line Dot-matrix, 3 Colors Backlight Selectable
128 Memory Channels
Multi-functional Scan
Local/Remote Emergency Alarm Function
Wide/Narrow Band Compatible
VOX Voice-operated
Transmitted 1750Hz Tone Code Fun
CALL Function
CTCSS/DCS/DTMF Encode and Decode
ANI Identification Code
FM Radio
Fall Alarm Function
Chinese/English Voice Prompt
Torch Light
Antenna
Adaptor
Manual
Desktop Charger
Explosion-proof Li-Pol Battery
Belt Clip
1
1
1
1
1
1
Quantity
Accessories
4

Preparation Work
Charging the Battery
1. Well connect adaptor cable and desktop charger, connect adaptor to AC power, light
up charger orange light for 2 seconds then out.
2. Insert battery or transceiver with battery into battery grove, make sure well connected
and stable.
3. Charger red light on or flashing when charging start.Green light on when full charging.
Warning: Do not charge in
explosion-proof locations.
Desktop Charger
Antenna Adaptor Manual
Belt Clip
Explosion-proof
Li-Pol Battery
5

Warning: Do not attach battery
in explosion-proof locations.
Warning: Do not remove battery
in explosion-proof locations.
※Notice:
It is suggested to power off before charging, or else battery status can't be well judged by
charger.
Install/Remove Battery Pack
1. Lay battery pack in the battery groove, press battery bottom and push orward until hearing
clicked sound, so battery pack fixed well.
2. Press “ PUSH” clip on top and lightly pull downward to remove battery pack.
※Notice:
• Never short circuit battery terminal and throw battery in fire。
• Never try to remove shell and install battery in dangerous environment, electric spark will
cause explosion.
Install Antenna
• Install Antenna
Insert supplied antenna into antenna base, tighten antenna by rotating in clockwise direction
until consistent with the base.
• Remove Antenna
Rotate in anti-clockwise direction to remove antenna.
6

Warning: Do not insert/pull out external loudspeaker/microphone
in explosion-proof locations.
Install Belt Clip
Remove battery firstly and aim belt clip at two screw holes on transceiver, then screw on by
screwdriver. Unscrew to remove belt clip.
Install External Loudspeaker/Microphone
Open rubber plug and insert loudspeaker/microphone into jacks.
7

Getting Acquainted
External View
Loudspeaker/Microphone Jack
For external loudspeaker/Microphone.
Antenna Base
For inserting supplied antenna.
Torch Light
To achieve torch light function.
[PWR/VOL]Control Knob
For power on/off and adjust the volume.
Status Indicator Light
Light red when transmitted, light green when U band received, and light blue when V band
received.
LCD Screen
Keyboard
[PTT]Key
Press to transmit signal, release to switch receive status.
[MONI]Key
Press to open torch light, hold this key and squelch circuit off, and we can hear background
noise.
[PF]Programmable Key
Use for CALL, 1750, DTMF Dial, Emergency Alarm, Talk around (TFR) setting.
1
2
3
4
5
6
7
8
9
10
8
MENU EXIT
1
4
23
56
789
0
*
#
SQL TXP VOI
VOX W&N TOT
R.QT T.QT STP
REV SCN
1
10

LCD Screen
0 9
Keyboard description and shortcut operation
[MENU] ：Short press to enter menu mode, long press to enter or quit FM radio mode.For
confirming setting in menu or FM radio mode.
[EXIT ]：Switch key for VFO, MR, and CH in Normal mode;Exit key in Menu mode;Switch key
for channel and frequency in FM Radio mode.
：Channel progressive increase or frequency step increase in Normal mode;Menu item
upward selection in Menu mode; Channel or frequency progressive increase in FM
Radio mode.
： Channel progressive decrease or frequency step decrease in Normal mode;Menu
item downward selection in Menu mode;Channel or frequency progressive decrease
in FM Radio mode.
： Main/auxiliary frequency switch in Normal mode;Menu
item value revised in Menu mode;Radio channel save in
FM Radio mode.
：Single/Dual band standby switch in Normal mode;Menu
item value revised in Menu mode;Radio channel delete
in FM Radio mode.
： Use for manually key in frequency and DTMF dial.
Menu Function shortcut operation as follows:
Press [MENU]+[0/REV]，to enter reverse frequency setting;
Press [MENU]+[1/SQL]，to enter squelch level setting;
Press [MENU]+[2/TXP]，to enter Hi/Lo power setting;
Press [MENU]+[3/VOI]，to enter voice number function setting;
Press [MENU]+[4/VOX]，to enter Voice-operated transmitted function setting;
Press [MENU]+[5/W&N]，to enter wide/narrow band setting;
Press [MENU]+[6/TOT]，to enter Time Out Timer setting;
Press [MENU]+[7/R.QT]，to enter CTCSS/DCS receive setting;
Press [MENU]+[8/T.QT]，to enter CTCSS/DCS transmit setting;
Press [MENU]+[9/STP]，to enter frequency step setting.
: Co-operate with DTMF, long press [* ] key for 2 seconds, to enter keyboard lock
ON/OFF.
: Co-operate with DTMF, long press [#] for 2 seconds, to enter scan mode. For
automatic frequency search in FM radio mode.
9
MENU EXIT
1
4
23
56
789
0
*
#
SQL TXP VOI
VOX W&N TOT
R.QT T.QT STP
REV SCN

Basic Operation
Icon Description
Indicate signal strength when receiving and transmitting
Icon shows when setting CTCSS
Icon shows when setting DCS
Icon shows when setting voice-operated transmitted function
Icon shows when open DTMF signaling
Icon shows when open Dual-band standby
Battery life indicator
Indicate transmitting power level：
H-high power, M-medium power, L-low power
Icon shows when open reverse frequency function
Icon shows when open positive offset, except for talk around
Icon shows when open negative offset, except for talk around
Icon shows when setting as narrow band
Icon shows when open power saving function
Icon shows when open prompt tone function
Icon shows when keyboard locked
Show channel number, function menu
Show current working main band
Power On
Rotate [PWR/VOL] control button in clockwise direction to power on, and a beep prompt tone.
Volume Adjustment
Press Monitor key [MONI], while rotate [PWR/VOL] to adjust volume.
Main/auxiliary Band Selection, single/dual-band stand-by convert Transmit and receive function for main
band, only receive function for auxiliary band.
Press [ ] key to choose main band, band with arrow indication is main band, and without
arrow indication is auxiliary band. When on dual-band stand-by status, press [ ] key and “D T”
i con disappeared in screen means switch to single-band stand-by. When on single-band
stand-by status, press [ ] to choose main or auxiliary band; When on single-band stand-by
status, press [ ] key and “D T” i con appeared in screen means switch to dual-band stand-by.
PTT Transmitted
If want to call out, press [PTT] key, red indication light on, speak on the microphone with
normal volume.
※Notice:Keep lips 3~5cm away from microphone.
10

Main Function Operation
Signal Monitoring
For weak signal or channel with CTCSS/DCS, long press monitor key [MONI] to monitor signal.
Torch Light Function
Press [MONI] key to enter torch light mode, press [MONI] again to enter torch light SOS
blinking mode, press [MONI] key again to shut down torch light function.
Keypad Lock Function
Press [ * ] key for 2 seconds to lock keyboard in unlock state;
Press [ * ] key for 2 seconds to unlock keyboard in lock state.
FM Radio Function
• Long press [MENU] key for 2 seconds to enter FM radio status, first line shows FM, second
line shows current frequency; Long press [MENU] key again for 2 seconds to exit FM radio
status
• When in FM Radio status, Press [ ] key to upward seek radio station, then press [#] to
automatically upward seek, and stop at station with signal; Press [ ] key to downward seek
radio station, then press [#] to automatically downward seek, and stop at station with signal.
Also we can key in radio frequency directly by numeric keypad.
• When in FM Radio status, press [ ] key to save current frequency to specify channel, press
[ ] or [ ] key to select channel to be saved, then press [MENU] to confirm save; Press [ ]
key to delete current frequency, press [ ] or [ ] key to select channel to be deleted, then
press [MENU] to confirm delete; Press [EXIT] to conduct frequency/channel switch.
• When in FM Radio status, will automatically return to transceiver status when in transmitting
or long press [MONI] key, then automatically return to FM radio status after signal disappears
for 10 seconds. Also we can set whether monitor transceiver signal in FM radio status by
menu No.22 “FMDW”, if on, then will automatically back to transceiver status when signal
detected, then automatically return to FM radio status after signal disappears for 10 seconds.
Fall Alarm Function
Open fell alarm function by Menu No.20 “ FALL” setting, will automatically check transceiver
direction. If transceiver inclines and level angel is less than 40 degree for 10 seconds,
equipment will be in alarm status and issue alarm voice. And stop alarm when back to vertical
stand for 2 seconds.
Modes Selection
There are three kinds of display modes that can be chosen: Frequency, Channel and frequency
channel modes, can be switched by pressing [EXIT] key.
※Note：By co-operation of Main/Auxiliary Switch Key[ ] and Mode Switch Key [EXIT] to
have different modes coexist. LCD Screen“ ”Points to main frequency or channel, another is
auxiliary frequency.
11

※Note:In channel and frequency channel modes, we can have
user-defined name by Menu No.33 “CHNAME”, i t is shown as below：
Means Main/Auxiliary
Frequency both in
frequency mode
Means Main/Auxiliary
Frequency both in
channel mode
Means Main/Auxiliary
Frequency in
frequency channel
mode
Means Auxiliary
Frequency in
frequency channel
mode, Main
frequency in channel
mode
Channel Save and Delete
•Channel Save
In frequency mode, choose required frequency and other setting such as CTCSS/DCS/offset
etc. in main frequency. After setting, press [MENU] key, choose Menu No.34 “MEM-CH” then
press [MENU] key again, screen shows channel number to be saved at the bottom., choose
channel number by [ ]_ [ ] key, or directly key in number. If there is “CH-” i con on the left,
means current channel has saved content. Press [MENU] to save and quit, then saved channel
can be checked, or press [EXIT] key to quit directly, as shown:
dle channel, can be saved With content in channel, can not be saved
Single Channel Delete
In standby mode, press [MENU] key, choose Menu No.35 “DEL-CH” then [MENU] key again,
screen shows channel number to be deleted at the bottom, choose channel number by [ ] _
[ ] key, or directly key in number. If there is CH- icon on the left, it means current channel is
saved channel which can be deleted, if there is no CH- icon on the left, means current channel
is idle channel, cannot be deleted. Press [MENU] to onfirm delete, or press [EXIT] key to quit
directly, as shown:
Reset Mode
•Power off, meanwhile press [PTT] and numeric key [1] then power on, enter “VFO” reset
mode, hold on for 2 seconds and release, VFO frequency and function content be deleted.
•Power off, meanwhile press [PTT] and numeric key [2] then power on, enter “Full” reset mode,
This channel is idle channel,
cannot be delete
This channel is saved channel,
can be delete
12

hold on for 2 seconds and release, all saved channel content be deleted.
Scan
Scan Mode
Choose scan mode by editing Menu No.21 “SC-REV”. Three scan mode selection (TO—Time
Scan/CO-Carrier Scan/SE-Search Scan).
• TO—Time Scan: Stop scanning when detects a signal. Stay for 5 seconds then go on
scanning, even signal exists.
• CO--Carrier Scan: Stop scanning when detects a signal until signal vanishes. Restart scanning
after signal vanishes for 5 seconds, unless new signal detected during delay time.
• SE-- Search Scan: When detect a signal, stay at this channel and quit scanning.
Channel Scan
In channel mode, long press [# SCN] key to enter channel scan. Use [ ] [ ] to switch scan
direction([ ] plus, [ ] minus). Hold [PTT] or [MONI] key, transceiver works in current channel,
release and stay for 5 seconds, it will go on scanning, press other keys except for [PTT]
[MONI] key to end scanning and return to standby channel.
Full-range Scan
In frequency mode, press [# SCN] key to enter channel scan function, current frequency within
bandwidth range, gradually increase or decrease by frequency step, use [ ][ ] to switch scan
direction([ ] plus, [ ] minus). Hold [PTT] or [MONI] key, transceiver works in current channel,
release and stay for 5 seconds, it will go on scanning, press other keys except for [PTT] [MONI]
key to end scanning and return to standby channel.
DTMF Encode and Decode
Utilize DTMF to achieve transceiver selective call, group call function.
Manual Call:
Press [PTT] key and hold, then use keyboard to key in corresponding characters, including 0～
9,A,B,C,D,* ,#.
※Note :Press [PTT] key and hold, then press[MENU]、[ ]、[ ]、[EXIT], to key in A,B,C,D.
Automatic Code Call
We can save DTMF number (maximum 16 bits) separately into 8 automatic dial locations by
PC programming software. When need to call out, press [PF] programmable key at side, use
[ ] [ ] key to select saved DTMF number, then press [PTT] to call out.
※Notice :When making automatic code call, need to set [PF] programmable key as DTMF dial
key to achieve DTMF call.
DTMF Receive
• When local transceiver ID number received, we can hear prompt tone, and “P CALL” displayed
in the screen, means successfully call; When group call code received, we can hear prompt
tone from transceiver, and “G CALL”displayed in the screen, means successfully call. We can
press [PTT] key to response or directly listen to the other side information. If it does not receive
13

Menu Operation Description
signal or transmit for around 30 seconds, we can hear “Du” tone, transceiver will automatically
quit the call.
• Local transceiver ID code, group call code need to be set by PC programming software.
ANI Personal Identification Code
We need to add ANI call information while making DTMF call if we want other side to know our
own ID Code, which means key in other's ID code, add , then own ID code, as 3 digits, for
example: DTMF call 123 456, 123 is other's ID code, and 456 is our own ID code, and screen
displays 456 in other's transceiver.
Transmit 1750Hz Signal
Press [MENU] to choose menu No.19 “PFK” then press [MENU] to enter editing, choose
“1750” and press [MENU] to confirm, then we can set [PF] programmable key as 1750 dial key.
Press [PF] programmable key to transmit 1750Hz.
※Notice: We can set [PF] programmable key as 1750 dial key by programmable software.
Operation Method
In stand-by status, press [MENU] key to enter menu interface, first line shows menu item
name, second line shows current parameter set value, arrow on left side points to current
menu serial number.
Press [ ] _ [ ] key to switch menu items or press 0~9 to enter corresponding menu items
directly.
Press [MENU] key to enter selected menu item, meanwhile left side arrow points to second
line menu parameter setting.
Press [ ] _ [ ] key to switch menu setting content
Press [MENU] key to confirm and save current menu setting, and return to step ①to conduct
other menu items setting.
Press [EXIT], [PTT] or wait for 10 seconds to quit menu interface.
1
2
4
3
5
6
14

Menu Function Description
Switch on or off to reverse frequency mode,
when switch on, receiving and transmitting
frequency reversed.
Set squelch level, level 0~9 selectable
Set power level, high/mid/low selectable..
Set voice prompt, OFF/CHINESE/EN-
GLISH..
Set VOX transmit: OFF, level 1~5
selectable,
higher level with more sensitive.
Set Wide/Narrow band.
Set TOT: OFF/30S~270S
selectable.WIDE/NARROW
Set receiving CTCSS frequency. Press [ ]
or [ ] key to choose CTCSS frequency;
Use numeric keypad to key in CTCSS
frequency directly; Press [# SCN] to conduct
CTCSS scan.
Set transmitting CTCSS frequency. Press
[ ]or[ ] key to choose CTCSS frequency;
Use numeric keypad to key in CTCSS
frequency directly.
In frequency mode, press [ ]or [ ]
key, requency changes as frequency step
set, also scan as frequency step set.
Set receiving DCS code. Press [ ] or [ ]
key to choose DCS code; Use numeric
keypad to key in DCS code directly; Press
[* ] key to change DCS direction N/I; Press
[# SCN] to conduct DCS scan.
Set transmitting DCS code. Press [ ] or
[ ] key to choose DCS code; Use numeric
keypad to key in DCS code directly; Press
[* ] key to change DCS direction N I / .
Switch on/off power save function.
Switch on/off automatic keypad lock, when
switch on, will automatically lock keypad if
no operation in 10 seconds.
Functions
Serial
No. Name Options
15
0 REV
SQL-LE
TXP
VOICE
VOX
WN
TOT
R-CTSS
T-CTSS
STEP
R-DCS
T-DCS
SAVE
AUTOLK
1
2
3
4
5
6
7
8
9
10
11
12
13
OFF * 1
OFF/1/2/3/4/5
OFF/CHINES/ENGLSH
HIGH/MID/LOW
0～9
OFF/ON
OFF/ON
OFF/D023N~D754N
OFF/D023N~D754N
OFF/67.0HZ~254.1HZ
OFF/67.0HZ~254.1HZ
OFF/30S/60S/～/270S
WIDE/NARROW
5.00K/6.25K/10.00K/
12.50K/25.00K/50.00K/
100.00K

16
Switch on/off prompt tone.
Switch on/off automatic backlight function,
OFF/ON/AUTO selectable, when AUTO
selected, backlight automatically lighted up
when keypad operated, and then
automatically off if no operation in 3
seconds.
Set backlight color, OFF/ORANGE/BLUE/
PURPLE selectable, when switch off(Menu
No.15), backlight will be on with setting
color.
Set V band receiving backlight color, OFF/
ORANGE/BLUE/PURPLE.
Set U band receiving backlight color, OFF/
ORANGE/BLUE/PURPLE
Set [PF] programmable key function at side.
DTMF-DTMF automatic dial; CALL-CALL
ring; TALARM-Remote emergency alarm;
1750-1750 dial; TFR-Talk around function
（Hold this key to achieve this function）;
LALARM-Local emergency alarm.
Set fell alarm function. OFF/LARM-Local
Alarm/TARM-Local and Remote Alarm.
Set scan mode, SE-Search scan/TO-Time
scan/CO-Carrier scan..
Set whether monitor transceiver signal in
FM Radio mode, when switch on, the unit
will return To transceiver channel when
signal received, then back to FM Radio
mode after no signal for 10 seconds.
Switch on/off busy channel lock, when
switchon, not allow to transmit when signal
exists.
Switch on/off roger beep tone, when switch
on, roger beep tone transmitted while
release [PTT], meanwhile we can hear
roger beep tone from loudspeaker.
Set main/auxiliary channel selected mode,
BUSY-busy channel/EDIT-manual selection.
When BUSY is set, channel which receives
signal will automatically switch to main
channel; When EDIT is set, only we can
manually choose main/auxiliary channel.
Set VOX transmit delay time
Functions
Serial
No. Name Options
OFF/ON
FMDW
OFF/ORANGE/BLUE/
PURPLE
BEEP
ABR OFF/ON
WT-LED
VR-LED
UR-LED
PFK
FALL
SC-REV
BCL
ROGER
TX.SEL
VOT
OFF/ORANGE/BLUE/
PURPLE
OFF/ORANGE/BLUE/
PURPLE
DTMF/CALL/TALARM/
1750/TFR/LALARM
OFF/LARM/TARM
SE/TO/CO
BUSY/EDIT
0.5S/1.0S/1.5S/2.0S/3.0S
OFF/ON
OFF/ON
OFF/ON
14
15
16
17
18
19
20
21
22
23
24
25
26

*1--Reverse frequency function is temporary set, set value not saved, so not fixed set
option.
*2--Offset (frequency, direction) for main channel can be set only in frequency display
mode, cannot be set in channel or frequency channel mode.
17
Set PTT ID transmit mode, OFF-PTT ID not
transmitted/SOT-ID transmitted when press
PTT/EOT-ID transmitted when release PTT/
BOTH-ID transmitted when press and
release PTT.
Switch on/off DTMF tone, when switch on,
we can hear tone while DTMF transmitted.
Switch on/off Personal Identification
function.
Set offset frequency. Key in offset frequency
by numeric keypad.
Set offset direction, OFF-switch off offset
function/- transmitted frequency equals to
received frequency minus offset frequency/
+transmitted frequency equals to received
frequency plus offset frequency.
Switch on/off channel name display
function.
Edit channel name. Press [ ] to cancel and
re-key. Channel name can be edited only in
channel mode or frequency channel mode.
Save channels.
Delete channels.
Switch on/off tail tone elimination.
Set power on display, FULL-full screen
display/BATT-battery voltage display/MSG
-power on information display (Can be
programmed by software).
Switch on/off ARS function.
Functions
Serial
No. Name Options
30 00.000~69.995MHz
27 PTTID OFF/SOT/EOT/BOTH
28 DST OFF/ON
29 ANI OFF/ON
31 SFT-D *2 OFF/-/+
32 SW-NM OFF/ON
36 STE OFF/ON
38 ARS OFF/ON
33
34 MEM-CH 001~128/CH~001~CH~128
35 DEL- CH 001~128/CH~001~CH~128
37 PONMSG FULL/BATT/MSG
OFFSET
*2
CHNAME

50 Groups of CTCSS
67.0
69.3
71.9
74.4
77.0
79.7
82.5
85.4
88.5
91.5
94.8
97.4
100.0
103.5
107.2
110.9
114.8
118.8
123.0
127.3
131.8
136.5
141.3
146.2
151.4
156.7
159.8
162.2
165.5
167.9
171.3
173.8
177.3
179.9
183.5
186.2
189.9
192.8
196.6
199.5
203.5
206.5
210.7
218.1
225.7
229.1
223.6
241.8
250.3
254.1
Unti:Hz
105 Groups of DCS
023 065 132 205
025 071 134 212
026 072 143 223
031 073 145 225
032 074 152 226
036 114 155 243
043 115 156 244
047 116 162 245
051 122 165 246
053 125 172 251
054 131 174 252
255
261
263
265
266
271
274
306
311
315
325
331
332
343
346
351
356
364
365
371
411
412
413
423
431
432
445
446
452
454
455
462
464
465
466
503
506
516
523
526
532
546
565
606
612
624
627
631
632
645
654
662
664
703
701
723
731
732
734
743
754
Appendix
18

Main Technical Specifications
General Specifications
Transmitterr
Receiver
Frequency Range:
Modulation Type:
Memory Channels:
Frequency Step：
136-174MHz/400-480MHz
16k0F3E(Wide band)/8k5F3E(Narrow band)
128
5KHz/6.25KHz/10KHz/12.5KHz/
25KHz/50KHz/100KHz
Operating Temperature:
Frequency Stability:
Voltage Rating:
Battery Capacity:
Antenna Impedance:
Dimension:
Weight
RF Power:
Max Frequency Deviation:
Audio Distortion：
Adjacent Channel Power:
Sensitivity(12dB SINAD)
Adjacent Channel Selectivity:
Intermodulation Rejection:
Common Channel Inhibition:
Blocking Characteristic:
≤0.2μV
≥55dB(Wide band)，≥50dB(Narrow band)
≥55dB(Wide band)，≥50dB(Narrow band)
≥-8dB
≥85dB
3.5W
±5kHz(Wide band)，±2.5kHz(Narrow band)
≤5 %
≥65dB(Wide band)，≥55dB(Narrow band)
-20℃~ +60℃
± 2.5ppm
DC7.4V
1800mAh（Li-ion）
50Ω
61mm（W）125.5mm（H）36.5mm(D)
280g (With Battery, Antenna and Belt Clip)
19