RETEVIS RA25 Mobile Transceiver Instruction Manual

: May 15, 2024
: RETEVIS

Table of Contents

FUNCTIONS & FEATURES
ACCESSORIES
GETTING ACQUAINTED
BASIC OPERATIONS
SHORTCUT OPERATION
FUNCTION SETTING
Function list
SPECIFICAITONS
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

**RETEVIS RA25 Mobile Transceiver Instruction Manual

**

FUNCTIONS & FEATURES

Retevis RA25 Mobile Radio has nice housing, stoutness & stability, advanced and reliable functions, perfect & valuable. This amateur mobile radio especially designs for drivers and it pursues philosophy of innovation and practicality. More functions as follows:

Adopt superior quality material, better technology and high quality radiator to ensure stable and durable operation.
1.44 Inch TFT display.
Amateur mode and professional mode for different operation requirement.
500 programmable memory channels, identified by editing name.
CTCSS, DCS, DTMF, 2Tone, 5Tone setting for each single channel.
11 groups fixed scrambler code plus self define scrambler code.
LCD brightness control.
Main unit and microphone key lock function.
Compander function.
Tone Pulse frequency.

ACCESSORIES

Standard accessories

Transceiver

| Microphone
| Install bracket
---|---|---
Adjusting screws| non-slip mat| Fuse(10A 250V)
Screws| Pads
| User Manual

Optional Accessories

External Speaker
PC cable
Car Antenna

GETTING ACQUAINTED

Front panel

Rear panel

**Microphone

**

BASIC OPERATIONS

Switching the Power On/Off

Turn the Volume knob clockwise to turn on the radio, the radio LCD will display programmed text and emit a beep sound.
Power Off: Turn volume knob anti-clockwise until hear “click” to turn off the radio.

Adjusting the Volume
Turn volume knob clockwise to increase colume and anti-clockwise to reduce it.

Switch between Main Channel and Sub Channel
In standby states, press the microphone key or front panel (MAIN key to switch between main channel and sub channel. The top left corner of LCD will display current main channel.

Adjust Channel

Press microphone key or front panel V/M key to switch the radio to channel mode,press
microphone 【UP】/【DN】 key or front panel key to choose channel. 2. In channel mode, input three numbers by number key to fast choose a channel.

Adjusting Frequency

**** By number key: In VFO mode, you can input wanted frequency by the microphone number key. For example if want 145.125Mhz, just press key 1, 4, 5, 1, 2, 5, if want 145Mhz, just press 1, 4, 5. The input is invalid if the frequency is over range.
By step size: In VFO mode, press microphone 【UP】/ 【DN】 or front panel key can change frequency by step size. Step size can be programmed by software from 2.5K to 50K.

Store channel
In standby states, press the microphone key, the top left corner will display Func then press [UP】 KEY, the LCD bottom left corner will display Save to XXX, now press [UP】/ 【DN】 key to choose a channel number, hold ww key to store the new frequency and return to standby.

A XXX stands for the channel number, if LCD displays “Null” under “Save TO XXX”, means current channel is empty.

Channel Delete

In channel mode, press microphone A key, then press [DN] key, the LCD displays “Delete XXX” and frequency, presss UP】/【DN】 key to choose the channel to delete, Hold # LAM】 key delelte to current channel. “XXX” stands for the channel number, the LCD displays “Null” after chennel deleted.

Receiving
Choose a receiving channel or frequency for receiving call, if the RX signal is week, hold front panel MON key or microphone key to monitor weak signal.
▲ >>When the RX icon and field strength flashes, but can not hear the calling, it means current channel receive a matching carrier but unmatching signaling. Refer toCTCSS/DCS CODE or Optional Signaling setup in Page 6).

Squelch Off
In standby, press microphone key or front panel key MON to turn off squelch, the radio will monitor weak signal.

Emergency Alarm
In standby, hold MAIN key, release it until the LCD displays ALARM, the alarm function turns on. Program emergency alarm rule shall be programmed by PC software.

Keypad Lockout
In standby, hold FUN key or key, the radio emit Du sound, the LCD displays LOCK. Now release the key, the keypad is locked. To turn of key lock, hold key or key untilthe radio emit Du Du, the LOCK icon disappear. now release the key.

Transmit Tone Pulse Frequency
Hold PTT and [DN] key will transmit selected Pre-programmed tone pulse frequency.

VFO Scan and Channel Scan

VFO scan: In VFO mode, press microphone key or key to start VFO scan. if the radio has programm PL1, PH1, PL2, PH2, PH2 frequency( in the buttom of channel list), VFO scan will between PL1-PL2 and PL2-PH2.
Channel Scan: In channel mode press microphone key and then press key to start 4 channel scan. Channel scan setting shall be programmed by PC software.

VOX On/Off control

In standby, hold 【V/M】 key until LCD dispplays VOX icon, repeater this step or repower on radio to turn off VOX function.
Note: Before turn on VOX, please set VOX level in 26th menu.

SHORTCUT OPERATION

Press microphone key and then press number key TO fast enter following functions, then press 【UP】/【DNI key to choose value. Presss [PTT】 key or key to Store.

Function list

NO	Function name	Combination Key
1	Squelch level setting	+
2	Optional signaling setting	+
3	Scan Skip	+
4	Scan	+
5	Busy channel lockout	+
6	Frequency reverse	+
7	Time out timer	+
8	Sub channel on/off switch	+
9	Offset direction	+
10	Function Menu	+
11	Power setting	+
12	LCD brightless	+
13	DTMF Code check	+

» In DTMF check mode
When check DTMF code, press PTT will send current DTMF code.To revise DTMF code, press key and then press key to enter edit mode. input DTMF code by number keys , then press PTT to transmit the code and store

FUNCTION SETTING

By Front Panel Key

Press key to enter main menu.
Press key or key to choose function.
Press / key to choose value.
Press key or key to store and exit.
When setting DCS code, key is for switch between positive and inverse code.

By Microphone Key

Press key and then press key to enter menu.
Press key or key to choose function.
Press 【 U P 】 / 【 D N 】key to choose value.
Press key to store and exit
When setting DCS code, key is for switch between Positive and inverse code. key is for choose special DCS.

Function list

NO	Function name	Setting value
1	TX CTC/DCS	67Hz~254.1Hz、000N~777I
2	RX CTC/DCS	67Hz~254.1Hz、000N~777I
3	TX/RX CTC/DCS	67Hz~254.1Hz、000N~777I
4	Optional signaling	OFF、DTMF、2Tone、5Tone
5	Squelch mode	SQ、CT/DCS、Tone、C&T、C/T
6	Step size	2.5K~50K
7	Band width	WIDE(25K)、NARROW(12.5K)
8	Reverse	ON、OFF
9	Talk around	ON、OFF
10	Offset frequency	0~70MHz
11	Busy channel Lock	OFF、REPEATER、BUSY
12	Channel name	0~z
13	TX OFF	ON、OFF
14	Scramber	1~11、edit、OFF
15	Compander	ON、OFF
16	NC(Noise reduction)	ON、OFF
17	5Tone	1~100,Press PTT to transmit
18	2Tone	1~32, Press PTT to transmit
19	Sub channel display	FREQ、VOLT、OFF
20	Key beep	ON、OFF
21	Time out timer	1~30Min、OFF
22	DMTF transmit time	50ms~500ms
23	Squelch level	OFF、1~9
24	Scan pause time	5ST、10ST、15ST、2SP
25	LCD brightness	1~5
26	VOX level	OFF, 1-9
27	VOX delay	0.5-5 Second
28	Tone burst frequency	1750Hz、2100Hz、1000Hz、1450Hz
NO	Function name	Setting value
---	---	---
29	Channel display	FREQ、CH、NAME
30	Reset	FACTORY? INITIALIZE?

Reset Factory Default

If your radio seems to be malfunctioning because of wrong operation or setup, this function will resume all setup and channels to factory default.

Press front panel key to enter main MENU list.
Press or key to chooe 27th function, the LCD display reset options.
Press / key to chooe“FACTORY？”。
Hold key, until the radio re-power on.

After reset, all channel and fucntion setting will resume default value.
If choose “INITIALIZE？”, only function setting value will resume to default setting.

Reset Factory Default
If your radio seems to be malfunctioning because of wrong operation or setup, this function will resume all setup and channels to factory default.

Press front panel key to enter main MENU list.
Press or key to chooe 27th function, the LCD display reset options.
Press / key to chooe“FACTORY？”。
Hold key, until the radio re-power on.

After reset, all channel and fucntion setting will resume default value.
If choose “INITIALIZE？”, only function setting value will resume to default setting.