1. Rhagymadrodd
Diolch am brynuasing the HanRongDa HRD-903 Portable Radio. This compact and versatile radio features DSP (Digital Signal Processing) for clear audio, Wide FM/FM/AM reception, a digital clock with alarm and sleep timer functions, and multiple power options. This manual provides detailed instructions to help you get the most out of your new radio. Please read it thoroughly before use and keep it for future reference.
Figure 1.1: HanRongDa HRD-903 Portable Radio
The HanRongDa HRD-903 is designed for portability and convenience, making it ideal for daily listening, outdoor activities, travel, and emergency preparedness.
2. Cynnyrch Drosview
2.1 Nodweddion Allweddol
- Prosesu Signal Digidol (DSP): Ensures clear and stable audio reception for FM, AM, and Wide FM bands.
- Wide FM Compatibility: Allows listening to AM broadcasts on high-quality FM frequencies.
- Compact a Chludadwy: Measures 64 x 24.5 x 125.5mm, fitting comfortably in your palm or pocket.
- Allbwn Clustffonau Stereo: Supports stereo audio when using headphones (sold separately).
- Siaradwr adeiledig: Features a 40mm speaker for shared listening.
- Station Memory: Stores up to 58 stations for both FM and AM bands (auto/manual preset).
- Swyddogaeth larwm: Wake up to your favorite radio station.
- Amserydd Cwsg: Set the radio to automatically turn off after 10 to 90 minutes.
- Cloc Digidol: Large, easy-to-read digital time display.
- Opsiynau pŵer deuol: Can be powered by 3 AAA batteries (not included) or via USB-C cable (included).
- Swyddogaeth clo allweddol: Yn atal pwyso botwm yn ddamweiniol.
2.2 Cynnwys Pecyn
Ffigur 2.1: Cynnwys Pecyn
Mae'r pecyn yn cynnwys:
- HanRongDa HRD-903 Portable Radio Unit
- Cebl Codi Tâl USB-C
- Clustffonau
- Strap Llaw
- Llawlyfr Cyfarwyddiadau
2.3 Adnabod Cydran
Figure 2.2: Front and Top Panel Controls
- Antena
- Porth Clustffon
- Botwm Pŵer Ymlaen / Diffodd
- Twll strap
- Deialu Tiwnio
- Arddangosfa LCD
- Preset - / Operation Lock Button
- Band Switch / Scan (Long Press) Button
- Preset + Button
- Alarm Setting / Preset Save / Delete Button
- Botymau Cyfrol i Fyny / Lawr
- Sleep Setting Button
- Botwm Tewi
- Llefarydd
3. Gosod
3.1 Cyflenwad Pŵer
The HRD-903 radio can be powered by either 3 AAA batteries or via the included USB-C cable.
Figure 3.1: Battery and USB-C Power Options
3.1.1 Gosod Batri
- Lleolwch glawr adran y batri ar gefn y radio.
- Llithrwch y clawr i lawr i agor.
- Insert 3 AAA batteries (not included) according to the polarity markings (+/-) inside the compartment.
- Caewch y clawr adran batri yn ddiogel.
3.1.2 USB-C Power Connection
Connect the included USB-C cable to the USB-C port on the side of the radio. Plug the other end into a USB power source such as a computer, mobile battery, or a USB wall adapter (not included). The radio will operate directly from USB power, and this is also useful when batteries are depleted.
3.2 Pŵer Cychwynnol Ymlaen
Gwasgwch y GRYM button located on the top right of the radio to turn it on. The LCD display will light up, showing the current frequency and time.
4. Cyfarwyddiadau Gweithredu
4.1 Pŵer Ymlaen/Diffodd
- I droi’r radio ymlaen, pwyswch y GRYM botwm.
- I ddiffodd y radio, pwyswch y GRYM botwm eto.
4.2 Band Selection (FM/AM/Wide FM)
Gwasgwch y AM/FM button to cycle through the available bands: FM, AM, and Wide FM. The selected band will be indicated on the LCD display.
Figure 4.1: Band Selection and Features Overview
4.3 Tuning for Stations
4.3.1 Tiwnio â Llaw
Cylchdroi y Deialu Tiwnio on the side of the radio to manually adjust the frequency. The frequency will change in small increments.
4.3.2 Sgan Awtomatig
Pwyswch yn hir y SCAN button (located on the AM/FM button) to automatically scan for and save available stations. The radio can store up to 58 stations for each band.
4.4 Gorsafoedd Rhagosodedig
The radio allows you to save and recall your favorite stations.
Figure 4.2: Preset Memory Function
4.4.1 Saving a Preset
- Tiwniwch i'r orsaf a ddymunir.
- Gwasgwch y MEMO button. The preset number will flash on the display.
- Defnyddiwch y M- or M+ botymau i ddewis y rhif rhagosodedig a ddymunir.
- Gwasgwch MEMO again to confirm and save the station.
4.4.2 Recalling a Preset
Yn y modd radio, pwyswch y M- or M+ buttons to cycle through your saved preset stations.
4.4.3 Deleting a Preset
Select the preset you wish to delete using M- or M+, then long press the DEL botwm.
4.5 Rheoli Cyfaint
Gwasgwch y CYFROL up or down buttons to adjust the listening volume.
4.6 Swyddogaeth Larwm
The alarm function allows you to wake up to your preferred radio station.
Figure 4.3: Alarm and Sleep Timer Functions
I osod y larwm:
- With the radio off, long press the ALARM button (located on the DEL button). The hour digits will flash.
- Defnyddiwch y M- or M+ botymau i osod yr awr. Gwasgwch ALARM eto i gadarnhau.
- The minute digits will flash. Use M- or M+ i osod y cofnodion. Gwasgwch ALARM eto i gadarnhau.
- Bydd yr eicon larwm yn ymddangos ar yr arddangosfa, gan ddangos bod y larwm wedi'i osod.
4.7 Swyddogaeth Amserydd Cysgu
Mae'r amserydd cysgu yn caniatáu i'r radio chwarae am gyfnod penodol cyn diffodd yn awtomatig.
I osod yr amserydd cysgu:
- Tra bod y radio ymlaen, pwyswch y CYSGU button repeatedly to cycle through the available sleep timer durations (10, 20, 30, 40, 50, 60, 70, 80, 90 minutes).
- The selected duration will be displayed. The radio will automatically turn off after the set time.
4.8 Swyddogaeth Clo Allwedd
To prevent accidental operation, you can lock the radio's buttons.
Figure 4.4: Key Lock Button
- To activate the key lock, long press the LOC button (located on the M- button). A key icon will appear on the display.
- To deactivate the key lock, long press the LOC button again. The key icon will disappear.
4.9 Defnyddio Clustffonau
For private listening, plug the included earphones or any standard 3.5mm stereo headphones into the earphone port on the top of the radio. The radio will automatically switch to headphone output.
Figure 4.5: Using Headphones
5. cynnal
- Glanhau: Defnyddiwch frethyn meddal, sych i lanhau tu allan y radio. Peidiwch â defnyddio glanhawyr sgraffiniol na thoddyddion.
- Gofal Batri: Os na fydd y radio yn cael ei ddefnyddio am gyfnod hir, tynnwch y batris i atal gollyngiadau a difrod.
- Storio: Storiwch y radio mewn lle oer, sych i ffwrdd o olau haul uniongyrchol a thymheredd eithafol.
- Antena: Trin yr antena telesgopig yn ysgafn i osgoi plygu neu dorri.
6. Datrys Problemau
| Problem | Achos Posibl | Ateb |
|---|---|---|
| Nid yw'r radio yn troi ymlaen. | Batteries are dead or incorrectly inserted. USB-C cable not connected or power source is off. | Replace batteries or ensure correct polarity. Connect USB-C cable to a working power source. |
| Derbyniad gwael neu statig | Antenna not extended. Weak signal area. Interference from other electronic devices. | Fully extend the telescopic antenna. Try moving to a different location. Move radio away from other electronics. |
| Nid yw botymau yn ymateb. | Swyddogaeth clo allweddol yn cael ei actifadu. | Deactivate the key lock by long pressing the LOCK button. |
| Nid yw'r larwm yn canu. | Nid yw'r larwm wedi'i osod yn gywir neu mae'r gyfrol yn rhy isel. | Verify alarm time and ensure alarm icon is displayed. Increase volume. |
7. manylebau
- Brand: HanRongDa
- Rhif Model: DAD-903
- Math Tiwniwr: FM/AM/Wide FM Compatible (DSP)
- Ystod Amledd FM: 64-108 MHz
- Amrediad Amrediad AM: 522-1710 KHz (9KHz step)
- Math Arddangos: LCD gyda backlight oren
- Siaradwr: 40mm
- Rhagosodiadau Cof: 58 stations for FM, 58 stations for AM
- Ffynhonnell Pwer: 3 x AAA batteries (not included) or USB-C (DC 5V)
- Dimensiynau (W x D x H): 64 x 24.5 x 125.5 mm
- Pwysau: Approximately 170 g (including packaging)
- Cydrannau wedi'u Cynnwys: Instruction Manual, USB-C Cable, Portable Radio, Strap, Earphones
8. Gwarant a Chefnogaeth
For any questions, comments, or support regarding your HanRongDa HRD-903 Portable Radio, please do not hesitate to contact the manufacturer or your point of purchase. Please refer to the product packaging or the seller's information for specific warranty details and contact methods.