Roadstar TRA-2350P User manual

TRA-2350P

INSTRUCTION MANUAL

è un marchio depositato di Roadstar S.A. -Svizzera Tutti diritti riservati

Table of Contents

SPECIAL FEATURES AND FUNCTIONS........................................2-3

COSMETIC AND FUNCTIONS GUIDELINE..................................4-8

POWER SUPPLY METHOD............................................................9-11

POWER ON/OFF UNIT......................................................................12

SELECTION BAND............................................................................13

SEACHING STATION....................................................................14-16

SPECIAL FUNCTION.........................................................................16

ANTENNAUSE………..................................................................17-19

TIME SETTING….......................................................................... 20-21

ALARM TIMER AND SLEEP TIMER.......................................... 22-25

OTHER FUNCTION .......................................................................26-28

INTRODUCTION FOR SPECIAL FEATURE................................29-30

SPECIFICATIONS................................................................................31

SPECIAL FEATURES AND FUNCTIONS

Built in MCU, can control and display station frequency ,local/world time,

battery capacity and signal strength.

Built in 8 pieces standalone high quality ICs and MOSFETs and make this

unit features high sensitivity, strong interference-free, low background noise

and small distortion etc.

FM: 87.00-108.00MHz, MW: 520-1710 kHz, (10k step), 522-1620 kHz

(9k step) SW 1: 1711-10010kHz, SW 2: 9990-19999 kHz

SW 3: 20000-29999 kHz.

Install FM and SW external antenna jack to proceed with long distance

receiving and connect to local cable FM. MW sets exclusive 500 ohms

external air/ground connector, can improve the sensitivity of MW with

external antenna and ground wire.

FM accuracy 10kHz,AM accuracy 1kHz.

Install AM IF output, can use for extending other functions of AM broadcast,

for example: CW, SSB (single side band), DRM (digital radio mondial)

SSTV (slow scan TV) etc.

AM uses dual conversation PLL technology to get excellent anti-image

rejection, SW>40DB£MW > 60DB

Built in FET equalizer and mixer,MW built-in digital track tuning technology,

SW built-in anti strong signal interference technology, so AM features very

good interference-free ability.

Special setting selectable wide/narrow IF band width, also adjust RF gain to

get best reception according to the strength or weak of broadcast signal to get

best reception.

Tuning knob can control tuning station frequency..

Double time buzzer, alarm, snooze, program sleep timefunction.

Button hint sound select, key lock feature

Listen to FM stereo station with headphone. The user can shut down FM stereo

to get higher Signal to Noise according to listening to station..

Built in L/R channel output connector, can take this unitas a tuner, connecting

to speaker amplifier to better sound quality.

Built in 5 inch speaker and BTL audio amplifier ,standalone tweeter, woofer

tuningknob to meet the user's different tone requirements.

The backlit LCD can select manually, temporary or permanent lighting two

different lighting methods, button backlight can be control by button

operation.

Multiple power supply method, external 230V AC and 6-9V DC, 4 x R20 size

and 4 x AA alkaline or rechargeable batteries, also features charging .

COSMETIC AND FUNCTIONS GUIDELINE

1 : Telescopic aerial,listening to FM/SW stations, extend and tilt telescopic aerial,

adjust it to a upright positions to obtain best reception.

2 :Snooze button£ in alarm mode, press this button to confirm the snooze mode in

five minutes, Press and hold down this button to confirm the button hint sound

on/off, if the button hint sound is on, press any buttons, the hint sound will be

heard.

3 :LCD screen, display time, frequency, battery capacity and signal strength etc.

4 :Night light button, fast press these buttons will light for 8 seconds, press and

hold

down the buttons for lighting all the time, press the button and the light become

dim when the light is on.

5 :Stop button of tuning knob £ when listening, press this button and tuning

knob cannot tune any frequency.

6 :Slow button of tuning knob £ when listening, press this button and tuning

knob can increase or decrease frequency at slow step (FM 10kHz, AM 1kHz)

7 :Fast button of tuning knob, when listening, press this button and tuning knob

can increase or decrease frequency at fast step (FM 100kHz,SW 5kHz,MW 9kHz

or 10kHz)

8 :Power/ Sleep button £ Power on or off the unit, setting sleep time .

8 :Local/world time button, press this button to display local/world time, press

this

9: Button for 5 second sto display electronic time shifting. This unit has two time

format selection. The default is local time when the unit is reset.

10 :Key lock button, short, quick press this button to start this function,other

buttons are not valid except light button; press this button for a long time to

cancel..

11 :Key light switch ,set the switch ON and the button light will last for 8

seconds,this function is suitable for using at night.

12 :Local/DX button, suitable for receiving strength or weak signals in different

conditions.

13:Ext./Int. antenna selector, select external or internal antenna according to

different conditions.

14 :Hour button.when adjusting time, used for hour adjustment and increasing,

press and hold down for 5 seconds to confirm 12/24 hour format shift.

15 :Minute button, when adjusting time, used for minute adjustment and

increasing.

16 :Alarm set button, available in displaying timer A/B mode, can set alarm

buzzer, timing turn-on or cancel alarm setting.

17:Time button,press and hold down for a long time to confirm the time

adjustment, press this button to display electronic clock when listening.

18 :Timer B button, press and hold down this button for a long time to confirm

alarm B adjustment. Press this button to display timer B when listening..

19 :Timer A button,press and hold down this button for a long time to confirm

alarm A adjustment. Press this button to display timer A when listening.

20 :Fast frequency increasing button, when receiving FM frequency at 1000kHz

step; receiving MW frequency at 100KHz step; Receiving SW frequency will

work as meter band.

21:Charger button, when the unit is off, press this button to confirm the charging.

22 :Reset hole, use for reset the unit operation.

23 :Tuning knob, use for time and frequency adjustment.

24 :Volume knob.

25 :Bass knob.

26 :Treble knob

27 :MW/SW gain control knob, adjust this knob to obtain best reception when

listening to MW/SW band..

28 :Stereo headphone jack ㄛlisten to FM stereo station

29 :MW/SW1/SW 2/SW 3 band selector, turn this selector to obtain the desired

band.

30 :FM/AM band switch, push this switch to select the desired FM mono, FM

stereo,

AM wide and AM narrow.

31 :Handle

32 :FM/SW external antenna socket

33 :MW external antenna socket

34 :AM IF output socket

35 :Battery compartment

36 :Audio output connector

37 :Battery size selector, the battery compartment has two different

battery grooves,can put two different size batteries.

38 :External DC power socket (6-9V)

39 :External AC power socket(230V) .

LCD display indicator diagram

Sleep indicator

St e re o indic a t o r

Ke y lo c k ind ic a t o r

Ti mer A in di cator

Time r B in dic a t o r St at io n sig nal

st re ngt h ind ic at o r

Wo rld time in dic a t o r

Wo rld t ime

zo ne ind ic a t o r

Slo w,fa st ,

st o p in dic a t o r

Fre q ue nc y unit ind ic a to r

FM fre q ue nc y unit

MW/ SW fre q ue nc y unit

Time o r fre que nc y

indic a t o r

1 2 / 2 4 hr a m o r p m

fo rma t ind ic a t o r

Lo c a l t ime

in dic a t o r

M W b a nd

in dic a t o r

FM band

in dic a t o r

SW b a nd

in dic a t o r

Ba t te ry me t e r

in dic a t o r

T imer A

T imer B

S te r e o

543210

Ex t . P o we r indic a t o r

POWER SUPPLY METHOD

1.Battery

1.This unit can select D or AA size

battery to supply power, after putting

battery in the compartment (35) ,push

battery selector switch (37) to the

correct position.

2.This unit features battery meter and

automatically power off the unit when

the power is unsufficient. Putting new

battery, the screenwill display the

icon.

3. If the battery meter displays and flash,

it indicates the unit will power

off automatically after a few minutes

and need to change new battery.

4. Change new battery for 2 seconds,

the battery meter will become

icon

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