Retevis RT622 PMR446 Two-Way Radio User Manual

1. Rhagymadrodd

The Retevis RT622 is a compact and lightweight PMR446 two-way radio designed for clear and reliable communication. This license-free radio features a durable build, VOX hands-free operation, and a long-lasting rechargeable battery, making it suitable for various applications from outdoor activities to professional use in environments like restaurants or schools.

Mae nodweddion allweddol yn cynnwys:

• Cryno ac Ysgafn: Weighs only 113g and measures 2.14cm wide, making it highly portable.
• PMR446 License-Free: Operates on PMR446 frequencies, ready for use out of the box.
• Sain clir: Built-in CTCSS/DCS for filtering unwanted signals and ensuring crisp audio.
• VOX Hands-Free: Automatically transmits when voice is detected, eliminating the need to press the PTT button.
• Batri y gellir ei ailwefru: Equipped with a 1000mAh Li-ion battery for extended standby and usage times.
• Defnyddiwr-gyfeillgar: Simple operation with quick access to multiple functions via side buttons and keyboard shortcuts.
• Dyluniad Gwydn: Constructed from robust ABS anti-fall material for comprehensive protection.

2. Gwybodaeth Diogelwch

Please read and understand all safety instructions before using your Retevis RT622 two-way radio. Failure to follow these instructions may result in injury, damage to the radio, or voiding your warranty.

• Diogelwch Batri: Use only the specified battery and charger. Do not short-circuit, incinerate, or disassemble the battery.
• Codi tâl: Charge the radio in a well-ventilated area. Do not charge in extreme temperatures.
• Antena: Peidiwch â chyffwrdd â'r antena yn ystod y darllediad.
• Ymyrraeth: Diffoddwch y radio mewn ardaloedd lle mae dyfeisiau radio wedi'u gwahardd, fel ysbytai neu awyrennau.
• Amlygiad Dŵr: While water repellent (IPX4), avoid submerging the radio in water.
• Dadosod: Do not attempt to disassemble or modify the radio. Repairs should only be performed by authorized personnel.
• Diogelu'r Clyw: Keep the volume at a moderate level to avoid hearing damage, especially when using earpieces.

3. Cynnwys Pecyn

Upon unpacking your Retevis RT622 Two-Way Radio, please verify that all items listed below are present and in good condition:

• 2 x Retevis RT622 Two-Way Radio
• 2 x Batri Lithiwm
• 2 x Cebl Codi Tâl Math-C
• 2 x Clip Belt
• 1 x Llawlyfr Defnyddiwr

4. Cynnyrch Drosview

Familiarize yourself with the components of your Retevis RT622 radio:

Figure 1: Retevis RT622 Radio Components

• Antena: Ar gyfer trosglwyddo a derbyn signalau.
• Power/Voice Volume Knob: Trowch i droi'r radio ymlaen/i ffwrdd ac addasu'r gyfrol.
• Charger Light / Signal Light: Indicates charging status or signal activity.
• Allwedd PTT (Gwthio-i-Siarad): Pwyswch a daliwch i drosglwyddo, rhyddhewch i dderbyn.
• Siaradwr: Allbynnau a dderbyniwyd sain.
• MIC / Speaker Port: Ar gyfer cysylltu ategolion sain allanol.
• Meicroffon: Ar gyfer mewnbwn llais yn ystod trosglwyddiad.
• Dewisydd Sianel Plws (+): Yn cynyddu rhif y sianel.
• Dewisydd Sianel Lleihau (-): Yn lleihau rhif y sianel.
• Allwedd Cloi: Used in combination with channel buttons for specific functions like keypad lock.
• Plug USB: Porthladd Math-C ar gyfer gwefru.
• Cysylltydd Gwefrydd: Yn cysylltu â'r cebl gwefru.

5. Gosod

5.1. Codi Tâl y Batri

Before initial use, fully charge the radio's lithium-ion battery. The RT622 supports convenient Type-C direct charging.

1. Connect the Type-C charging cable to the USB plug on the side of the radio.
2. Connect the other end of the cable to a compatible USB power source (e.g., wall adapter, power bank, PC, car charger).
3. The charger light will indicate charging status. Refer to the radio's LED indicator for full charge notification.

Ffigur 2: Gwefru Uniongyrchol Math-C

5.2. Yn atodi'r Clip Belt

The RT622 comes with a removable belt clip for easy portability.

1. Aliniwch y clip gwregys â'r rhigolau ar gefn y radio.
2. Llithrwch y clip i fyny nes ei fod yn clicio'n ddiogel yn ei le.
3. To remove, push the release tab (if present) and slide the clip downwards.

Figure 3: Attaching the Removable Belt Clip

6. Cyfarwyddiadau Gweithredu

6.1. Addasu Pŵer Ymlaen/Diffodd ac Addasu Sain

To turn the radio on or off and adjust the volume:

• Pŵer Ymlaen: Rotate the Power/Voice Volume knob clockwise until you hear a click. The radio will announce the current channel.
• Addasiad Cyfaint: Continue rotating the Power/Voice Volume knob clockwise to increase volume, or counter-clockwise to decrease volume.
• Pwer i ffwrdd: Rotate the Power/Voice Volume knob counter-clockwise until you hear a click.

6.2. Dewis Sianel

The RT622 supports 16 PMR446 channels.

• Gwasgwch y Channel Selector Plus (+) button to move to a higher channel number.
• Gwasgwch y Channel Selector Reduce (-) button to move to a lower channel number.
• The radio will announce the selected channel number.

6.3. Trosglwyddo a Derbyn

• I Drosglwyddo: Pwyswch a dal y PTT (Gwthio i Siarad) button. Speak clearly into the microphone. The signal light will illuminate red.
• I Dderbyn: Release the PTT button. The signal light will illuminate green when a signal is received.

6.4. Swyddogaeth VOX (Cyfnewidfa a Weithredir gan Lais)

The VOX function allows for hands-free transmission when your voice is detected.

Figure 4: Activating VOX Function

To quickly activate the VOX function:

1. Tune the radio to channel 7.
2. Trowch y radio i ffwrdd.
3. Pwyswch a dal y Channel Selector Plus (+) button while turning the radio back on.
4. You will hear a voice prompt indicating "VOX ON" or "VOX OFF".

6.5. Swyddogaeth Cloi'r Bysellbad

The keypad lock prevents accidental changes to settings during use.

Figure 5: Keypad Lock/Unlock

I gloi neu ddatgloi'r bysellbad:

• In standby mode, simultaneously press the Channel Selector Plus (+) a Channel Selector Reduce (-) botymau.
• A single beep indicates the radio is locked. Repeat the process to unlock.

6.6. Language Switching

You can switch the voice prompt language between Chinese and English.

Figure 6: Switching Language

To switch the language:

1. Tune the radio to channel 16.
2. Trowch y radio i ffwrdd.
3. Pwyswch a dal y Channel Selector Plus (+) button while turning the radio back on.
4. The language will switch between Chinese and English.

7. cynnal

7.1. Battery Care and Power Saving

Mae gofal priodol am y batri yn sicrhau perfformiad a hirhoedledd gorau posibl.

Figure 7: Battery Management Features

• Swyddogaeth arbed pŵer: If there is no operation for more than 10 seconds, the power saving function will automatically activate and resume upon receiving a signal.
• Rhybudd Batri Isel: Pan fydd y batri cyftage drops to its lowest level, the radio will emit a "Please Charge" tone, indicating that the battery needs recharging or replacement.
• Cylch Codi Tâl: For best battery life, avoid frequent partial charges. Fully charge and discharge the battery periodically.
• Storio: If storing the radio for an extended period, ensure the battery is partially charged (around 50%) and store in a cool, dry place.

7.2. Glanhau

• Sychwch wyneb y radio gyda lliain meddal, damp brethyn.
• Peidiwch â defnyddio cemegau llym, toddyddion na glanhawyr sgraffiniol.
• Gwnewch yn siŵr bod clawr y porthladd gwefru wedi'i gau'n ddiogel i atal llwch a lleithder rhag mynd i mewn.

7.3. gwydnwch

Figure 8: Strong Shell Material

The RT622 is built with a strong PC material shell, providing superior impact and abrasion resistance, making it suitable for various outdoor and demanding environments.

8. Datrys Problemau

If you encounter issues with your Retevis RT622 radio, refer to the following common troubleshooting steps:

9. manylebau

Detailed technical specifications for the Retevis RT622 Two-Way Radio:

• Brand: Retevis
• Rhif Model: EUA9121H
• Lliw: Du
• Nifer y sianeli: 16
• Amrediad Amrediad: 446.00625-446.19375MHz (PMR446)
• Ystod Siarad Uchafswm: 3 Kilometers (in open and unobstructed areas)
• Cyftage: 3 folt
• Lefel ymwrthedd dŵr: Water Repellent (IPX4)
• Dimensiynau'r Cynnyrch (D x L x U): 2.1 x 5.5 x 13.5 cm
• Pwysau Eitem: 113 Grams (battery included)
• Math o batri: Ion Lithiwm
• Bywyd Cyfartalog Batri: 10 Hours (continuous use)
• Amser wrth gefn: Tua 72 Awr
• Sŵn Clywadwy: 40 Desibel
• Amrediad Tymheredd: -20 i 50 gradd Celsius
• Dyfeisiau Cydnaws: Walkie talkies with the same PMR frequency band and Kenwood dual pin headphones.

10. Gwarant a Chefnogaeth

Retevis provides comprehensive warranty and support for your RT622 Two-Way Radio:

• Cyfnod Gwarant: 2-year warranty for the radio body and 1-year warranty for accessories.
• Polisi Dychwelyd: 30 days no-reason return policy.
• Gwasanaeth Ôl-warant: Maintenance services are available beyond the warranty period; buyers are responsible for associated costs.
• Cefnogaeth i Gwsmeriaid: For any inquiries or support needs, please contact Retevis customer service on Amazon. We aim to reply within 12 hours.