RADDY RF31 Shortwave Radio Wide Frequency Receiver User Manual

RADDY RF31 Shortwave Radio Wide Frequency Receiver

FMIMW/SW/AIRICBNHFWORLD BAND RECEIVER

Thanks for purchasing the RF31 digital wide frequency radio. Please read this manual before using. Please keep it well for future reference.

RF31 radio overview information

The radio is a small pocket size.Convenient to carry outside.and ii has high reception sensitivity.
It is the entry toy for the radio yuan fans and the auxiliary use product for the off-road yuan fans (VHF channel reception).
Flight information for frequent flyer users.
the radio can receive FM/AM/SW/CB/AIR/VHF bands.
please take a notice:

• the AM band have two modes:AM step value:9k.AM step value : 1 Ok.
• the radio VHF also band two modes:VHF­N/VHF-W.
• users can according to the actual need to adjust by themselves).

About the VHF band more information:
VHF NFM:Receive coast channel/train channel/racing channel/weather band /VHF intercom reception
VHF-W:Receiving campus channel /TV sound The frequency and volume of the product to add and reduce control design independent key, can be manually search station signal and automatic search station signal function, AM step value users can adjust themselves according to actual condition, is a very personalized products.Simple and convenient operation.

Productappearance drawing and compon ent descr iption:

1. Power sleep
2. Lock
3. DC5V
4. 3.5mm Ear Jack
5. Antenna
6. LCD display
7. VOL+
8. VOL-
9. MEMO
10. MODE
11. SET
12. BAND
13. TUN+
14. TUN-
15. Rope
16. Loud Speaker

• POWER/SLEEP : For turning on and off the radio.adjust automatic shutdown.
• LOCK : LOCK:for locking the button to prevent it frequency conversion, shutdown, etc;
• DC5V Micro USB jack:External power:connecl DC 5V external power or charging battery, MICRO USB jack.
• 3.5mm earplug jack: For personal stereo listening without disturbing others
• Seven section Telescopic antenna
• LCD display
• VOL+: FOR turning up the volume.turning up preset recall functions
• VOL- FOR turning down the volume,turning down preset recall functions
• MEMO: FOR present store stations and present recall function
• MODE: (Mode conversion of each band)
• SET: FOR setting timel/set SQ function
• BAND: Clock slate,Turn on the alarm function.Power on state, bands switching
• TUN+: Select station +, adjust lime + function
• TUN-: Select station -, adjust time – function
• ROPE. it is convenient for customer carry.
• Loudspeaker

**LCD display symbol description:

**

Power-on state,long press(1) button POWER,the radio turn off.
SLEEP:After put into the battery, the radio on the clock state,Long press the CD button,the sleep symbol display on the LCD top right corner,the sleep lime can be selected 90-B0-70-60-50-40-30-20-10.each lime press the

• POWER button to choose the sleep time.After choose the sleep time.about 1 second the radio turn on.Use the time to reach the selected sleep time, radio will turn off automatically.
  Start the RSSI Indicator (short for” Received Signal Strength Indicator”) : on the power-on state, short press CI:-POWER button , the LCD display the word *DB”.The sensitivity of the receiving station can be determined based on this parameter
  Nole: if sleep function is not required, press the CD POWER button for a long time to turn off the radio and turn it on again.

• LOCK(printed a lock)
  LOCK:for locking the button to prevent it frequency conversion, shutdown, etc; On the clock slate or power-on state.long press the ®Lock button for lock the radio.this moment,the radio is locked.any buttons do not have function.
  long press again ® Lock button for canceling the lock function.
  {notice:when you find the buttons do not have function,please check the radio if be locked)

• DC5V Micro USB jack:
  External power:using the USB cable connect DC 5V power.
  When the radio is not clearly displayed and the battery symbol is flashing, please plug in the DC5V external power supply to charge the radio. It takes about 3-4 hours to charge the radio. When ii is fully charged, the battery symbol will be fully displayed.

• 3.5 mm earplug jack:
  after connecting earplug,For personal stereo listening without disturbing others.

• Seven section Telescopic antenna:
  When listening to FM,SW,CB, AIR and VHF band, please pull out the radio antenna apart to facilitate radio signal reception. if you turn off the radio.Please close the radio antenna to avoid breaking the antenna

• LCD display,it is convenient for using:
  LCD digital display, convenient for users to see frequency points, band conversion, battery usage, band conversion, volume adjustment, etc.

• VOLA :FOR turning up the volume,turning up preset recall functions/

• VOL v:FOR turning down the volume.turning down preset recall functions
  Adjust the volume +/- have two method:
  The first:The volume is adjusted up from 00 level to 33 level short press 7/8 VOLA V button, increase or decrease the volume step1 level The second:Long press 7/8VOLA V button.Rapidly increase and decrease the volume.Stop adjusting immediately after release your hand. ON the present recall model:press the 7/8 VOL/\ V button are assist to take out the stored memory station.after short press the 9.
  MEMO button.you can find the CH1 …… CH50 on the LCD,lhen press the7/8 VOLA V button for searching your target preset recall number.

• ® MEMO:FOR present store stations and present recall function
  Preset store operation instruction:
  Press @/® TUNING+/- button adjust target frequency,long press® MEMO button,appear “CH01-CH50″ on the LCD,and the stored num ber address”CH01 … … CH50″ is flashing,press the 0t@VOL/\ V buttons search for the target stored number address.press @MEMO button again.LCD display”MEMO”,af1e r 1 second, it is successfully to preset store operation.
  For example:FM 87.BMHZ needs to be saved to CH01.The operation is as follows:

  • Press @/@ TUNING +/- button to 87.8 MHZ, long press ®button MEMO, LCD display

  • “CH01 …… CH50” ,press VOL/\ Vbutton to change the station address CH01,then,please short press ®button MEMO again,LCD display “MEMO”, ii is successfully to preset store operation
    (note: only one frequency point can be stored in the a same address of storage station.)

  • Present recall function operation method:

  • Short press @ MEMO button,LCD display CH01 …… CH50(01 …… 50 they are memory station address numbers),shorl press VOL/\ V for selectting the target memory station.

• MODE: (Mode conversion of each band) FM state:put the 3.5mm earplug into the radio,short press the @)MODE button,LCD appear “MONO” OR “ST”,each time press,:iillMODE button,two model will exchange.(“Sr is short for “STEREO”)
  AM state:

  • short press @MODE button,lhe LCD will display 520KHZ or 522KHZ exchange. 520KHZ it is mean the radio AM step value is 1 OK, press the@l MODE button.the LCD will display 522KHZ,

  • 522KHZ it is mean the radio AM step value is 9K. When the AM step value is 9k,the frequency range is:522-171DKHZ

  • When the AM step value is 10K,the frequency range is :520-1720KHZ
    Note: in the United stales,Canada,Mexico, Australia and other North American and South American countries must set to 1 OKHZ,other countries must be adjusted 9KHZ.

  • SW state:
    SW step value is 0.005MHZ,on the SW state, short press@ MODE button ii is METE cycle switching, it is convenient for search for target station:
    2.300/3.200/3.900/5.000/6.030/7 .150/1 0.000/ 11 .4 79/13.600/15.000/17 .650/19.00/26.000 AIR stale:it is step value 5KHZ/25KHZ exchange.short press ®1MODE button,LCD display 05k or 25K.it is convenient.
    VHF state:Narrow band FM-N and broadband FM-W exchanged.short press@ MODE button and the LCD display the words FM-N or FM-W. Select FM-N:Mainly used for receiving coast station/train channel/racing channel/weather band WX/VHF intercom receplion /VHF(HAM) (for reference only!lt varies from country to country, depending on the local radio frequency.) Select FM-W:Mainly used for receiving campus radio /TV TV sound

• SET:FOR setting time/setting SQ function: Setting time operation instruction:
  On the clock state or connecl eX1ernal DC5v power.the radio on clock state,long press ®
  SET button, hour digital flashing,press TUNING+/TUNING- for adjusting the correct hourso After adjusted the correct hour.press the @SET button again.the minute digital flashing,it is the same with adjust hour method,press TUNING+/TUNING- for adjust correct minutes.
  Finished the correct time.short press the ®SET button again or wait about two second.the radio will default the adjusted time (setting time is in the case of backlight in the LCD.)

• Setting SQ(SQUELCH) function:
  POWER-ON state,on CB,AIR bands,long press @SET button for operation SQ
  function,Long press @ SET button exchange SQ-ON/SQ-OFF. About Wait 3 seconds, radio system default mode.

• LCD display “SQ ON” indicates that the squelch funclion selling is enabled

• LCD display “SQ OF” indicates that the squelch function setting is closed
  @Band:(Selling alarm/bands exchange) Setting alarm operation instruction:

• On clock stale,short press @BAND button,LCD display alarm symbol ” 11t ” ,long press® SET button for selling alarm clock.the method is same with the setting color.after long press @SET button,the hour digital flashing,press the @TUNING+/@TUNING­button for adjust lhe alarm clock hour, short press @SET button,the minute digital is
  flashing,press @TUNING+/@TUNING- button for adjust the alarm clock minute.wait about 1 second,the system default sel time.

• If press the @SET button the third time.LCD will display ” r-1:1 ” or ” bu2 ” , there are two models of the radio setting turned on automatically and setting alarm model. Please pressing the radio on the right side of @ TUNING +/@ TUNING – to swap.
  ” rhd ” this symbol is mean setting the radio turned on automatically “M ” this symbol is mean setting alarm model.be setting alarm model,il is time to alarm time. The radio will ring and press any button to stop ring. the alarm will continue 5 second if do not press any buttons

• Short press BAND button again ,the symbol ttr disappear,Cancel the alarm function. Power-on state,bands exchange:
  Turn on the radio.short press @ BAND button.FM/AM/CB/AIR/VHF CVHF-W and VHF-N) exchange.each lime short press for searching your target band.

• Auto scanning:
  Turn on the radio,long press@ BAND button, radio can aulomatically search and store radio stations.the stations are searched and stored from low frequencies to high frequencies in order,meanwhile,the LCD display “CH01- CH50” ,and the stored address number is changing.after over scanning.please press the ®MEMO button and for@VOL/\ (Z)VOL-V for taking out the stored station. TUNING+/TUNING-(Select station +/-, adjust time +/- function)

• Power-on state, @TUN+/ @TUN- button,you can select your target frequency.

• FM model,default step:0.1 MHZ

• AM model:default step: HZ/10KHZ{can be selecting by customer) SW model:default step : 0.005MHZ

• CB mode:default step:0.005MHZ

• Air mode:default

• step:0.005MHZ/0.025MHZ{can be selecting by customer)

• VHF mode:default step:0.005MHZ

• Short press@TUN+/@TUN- button,the frequency is add/reduce according the system default step value.long press button,the frequency is searched quickly.

• Long press@TUN+/@.ffUN- Let go of your hand,the radio will searching the station ,search will stop automatically when a radio station with a signal is found

• Clock state.when setting time is operation,press the@TUN+/@TUN- button for adjusl the correct time.

• 5.0range backlight: For the convenient of night using,this radio design orange backlight,power-on state.press any buttons,backlight will be on for 10 seconds.

Receiving TV sound:

The fundamental difference between TV and FM radio is that the sound is an odd multiple of 50KHZ. Below are the audio points of several countries.
Special note: television sound for FM frequencies, radio interference of the environment influence is bigger, and have a strong regional, transmission distance limitations compared with other frequency bands, adjacent region or city coverage often large difference

Main specification:

Using antenna:

Listening to FM broadcast:
Pull out the antenna , changing antenna length and direction to search for best receiving effect position Note : please shorten the antenna length when disturb by other strong broadcast Listening to AM broadcast The radio using built-in magnet antenna for receiving AM broadcast , please change the radio direction properly to achieve best receiving effect for AM broadcast .

Listening to SW broadcast
Pull out the antenna , changing antenna length and direction to search for best receiving effect position.

Notice

• Please take out battery when radio not in use to avoid battery leakage.
• During listening to broadcast , if volume non­stable or LCD display become darken or flashing , may be caused by low battery. Please recharge
• Please avoid high press , strong collision ,drop or water .
• Don’t place radio under sunshine , high temperature , high humidity area or store radio at environment of temperature< -s·c or >50°C.
• Don’t clean case with chemical solvent to avoid damage of radio casing.
• Don’t disassemble the radio or change specification of inner part radio.

User Manual For External Antenna

Function
Improve SW/FM receive sensitivity (suitable for external connection when the indoor signal is poor)

Schematic diagram of external antena

Specification
Clip type, line length: 3 meters

Characteristics of the profile

1. It can enhance the receiving capacity of FM and SW band, and improve the receiving effect of FM and SW
2.  Flexible placement and simple operation
3.  Suitable for use in signal shielding

method of application

1.  First, take out the antenna spring and fix it outside the room, which you can be hung bythe window.(in case ofthunderstorm, do not use )
2. Then stretch the cord
3.  The antenna clamp to the antenna rod antenna head can be used

If you have any questions, please feel free to contact us by email via [support@iraddy.com]

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