Introduction
This manual provides detailed instructions for the safe and effective use of your Retevis RT628S FRS Two-Way Radios. These portable radios are designed for clear communication in various outdoor and indoor settings, offering features like a unique Safe-M mode for privacy, intelligent noise reduction, and hands-free operation.
Package Contents
- 3 x Retevis RT628S Walkie Talkies
- 3 x Belt Clips
- 1 x User Manual
- 1 x Colorful packaging box (for storage)
Image: Contents of the Retevis RT628S package, including three radios, belt clips, and manual.
Setup
1. Battery Installation
- Locate the battery compartment on the back of the walkie talkie.
- Remove the battery compartment cover.
- Insert 3 x AA batteries (not included) into each walkie talkie, ensuring correct polarity (+/-).
- Replace the battery compartment cover securely.
Image: Open battery compartment of the Retevis RT628S, showing AA battery slots.
2. Attaching the Belt Clip
Align the belt clip with the designated slots on the back of the walkie talkie and slide it into place until it clicks securely.
Operating Instructions
1. Power On/Off
Rotate the power/volume knob clockwise to turn the radio on. Rotate counter-clockwise until a click is heard to turn it off.
2. Volume Adjustment
Rotate the power/volume knob to adjust the listening volume (1-16 levels).
3. Channel Selection
- Press the MENU button once. The channel number on the LCD screen will flash.
- Use the Up or Down arrow buttons to select your desired channel (1-22).
- Press MENU again or wait a few seconds for the selection to be confirmed.
Image: Walkie talkies displaying channel selection and Safe Mode button.
4. Push-to-Talk (PTT)
To transmit, press and hold the PTT button on the side of the radio. Speak clearly into the microphone. Release the PTT button to listen.
5. Safe-M Mode (Privacy Feature)
The unique Safe-M mode blocks signals from other models, ensuring private communication between RT628S units. To activate/deactivate:
- Press and hold the SAFE-M button for 3 seconds. A shield icon will appear on the display.
- When activated, only other RT628S radios on the same channel and with Safe-M mode enabled can communicate.
- To communicate with other FRS walkie-talkies, ensure Safe-M mode is off.
Image: Red walkie talkie highlighting the Safe Mode feature.
6. VOX (Voice Operated Exchange) Hands-Free
VOX allows you to transmit without pressing the PTT button. To activate/adjust:
- Press MENU twice until "VOX" appears on the display.
- Use the Up or Down arrow buttons to select the VOX sensitivity level (1-3, with 3 being most sensitive).
- Press MENU again or wait a few seconds to confirm.
7. Key Lock
To prevent accidental button presses, activate the Key Lock:
- Press and hold the MENU button for 3 seconds. A key icon will appear on the display.
- Repeat the action to unlock.
Image: Yellow walkie talkie demonstrating the Key Lock function.
8. Call Tone
To send a call alert to other radios on the same channel, press the CALL button. There are 10 different call tones available.
9. Channel Scan
To scan for active channels, press the SCAN button. The radio will cycle through channels and stop on an active one. Press SCAN again to stop scanning.
Maintenance
- Battery Care: Remove AA batteries from the walkie talkie if it will not be used for an extended period to prevent leakage.
- Cleaning: Use a soft, damp cloth to clean the exterior of the radio. Do not use harsh chemicals or abrasive cleaners.
- Storage: Store the walkie talkie in a cool, dry place away from direct sunlight and extreme temperatures.
Troubleshooting
| Problem | Solution |
|---|---|
| No power | Check battery installation and ensure batteries are fresh. |
| No sound or poor sound quality | Adjust volume. Ensure all radios are on the same channel and CTCSS/DCS code (if applicable). Check for obstructions or distance. Disable Safe-M mode if communicating with non-RT628S radios. |
| Cannot transmit or receive | Verify all radios are on the same channel. Check battery level. Ensure PTT button is fully pressed when transmitting. Disable Key Lock. |
| Limited range | Obstructions (buildings, hills) can reduce range. Move to an open area. Ensure batteries are fully charged. |
Specifications
- Model Number: RT628S
- Brand: Retevis
- Product Dimensions: 4.06 x 2.2 x 1.34 inches
- Item Weight: 14.9 ounces
- Number of Channels: 22
- Frequency Range: 400-470 MHz
- Talking Range Maximum: 1000 Meter (approx. 0.62 miles)
- Power Source: 3 x AA batteries (per unit, not included)
- Special Features: Keypad Lock, Lightweight, Safe Mode, VOX, Call Tone, Channel Scan
- Water Resistance Level: Not Water Resistant
- FCC ID: 2A3OORT628S
FCC Compliance
Please note that these walkie talkies comply with FCC rule part 95. The FCC ID is: 2A3OORT628S.
Official Product Videos
RT628S Safe-Mode Walkie Talkies for Kids and Family
Video: Demonstrates the Safe-Mode feature and general use of the RT628S walkie talkies for family communication.
RT628S Ideal Gifts for Kids, Call Tone to Remind Others
Video: Highlights the call tone feature and suitability of RT628S as a communication tool for children.
RT628S Safe Mode Walkie Talkies Unboxing
Video: An unboxing of the RT628S walkie talkies, showcasing the product and its components.
