Retevis RA25 - Mobile Radio 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.
• 30 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

Mobile Bracket

Adjusting screws

non-slip mat

Fuse (10A 250V)

Screws

Pads

manual

Optional Accessories

External Speaker

PC Cable

Car Antenna

GETTING ACQUAINTED

Front panel

Rear panel

Microphone

BASIC OPERATIONS

Switching the Power On/Off

1. Turn the Volume knob clockwise to turn on the radio, the radio LCD will display programmed text and emit a beep sound.
2. 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 microphpne key or front panel key to switch between main channel and sub channel. The top left corner of LCD will display current main channel.

Adjust Channel

1. Press microphone key or front panel 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

1. 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.
2. By step size: In VFO mode, press microphone 【 U P 】 / 【 D N 】 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 microphpne key, the top left corner will display Func, then press【UP】 KEY, the LCD bottom left corner will display Save to XXX, now press【 U P 】 / 【 D N 】key to choose a channel number, hold key to store the new frequency and return to standby.

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

Channel Delete

1. In channel mode, press microphone key, then press 【DN】 key, the LCD displays "Delete XXX" and frequency, presss 【 U P 】 / 【 D N 】 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 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 to turn off squelch, the radio will monitor weak signal.

Transmitting

Hold [PTT] and speak into microphone. the radio start transmit, the screen shows red TX and field strength. Hold the microphone approximately 2.5-5.0cm from your lips and speak to microphone in your normal speaking voice to get best timbre.

Emergency Alarm

In standby, hold 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 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

1. 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.
2. Channel Scan: In channel mode press microphone key and then press key to start 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 【 U P 】 / 【 D N 】 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

1. Press key to enter main menu.
2. Press key or key to choose function.
3. Press / key to choose value.
4. Press key or key to store and exit.

When setting DCS code, key is for switch between positive and inverse code.

By Microphone Key

1. Press key and then press key to enter menu.
2. Press key or key to choose function.
3. Press 【 U P 】 / 【 D N 】key to choose value.
4. 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

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.

1. Press front panel key to enter main MENU list.
2. Press or key to chooe 27th function, the LCD display reset options.
3. Press / key to chooe"FACTORY?"。
4. 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.

SPECIFICATION

Factory default settings