1. Introduction
The QYT KT-A16 is a high-performance handheld air band radio designed for reliable communication within aviation frequency bands. It features a robust 6W output power, 200 programmable memory channels, and a clear 1.77-inch TFT-LCD color screen for easy operation. Built with a superheterodyne circuit, this transceiver ensures excellent reception and transmission quality. Its 2000mAh rechargeable battery provides extended operational time, making it suitable for various applications requiring air band communication.
2. Package Contents
Please check the box for the following items:
- Radio Body
- Battery Pack (2000mAh)
- Antenna
- AC Adapter
- Desktop Charger
- Belt Clip
- Hand Strap
- English User Manual
3. Product Overview
3.1. Parts Diagram
3.2. Screen Display Instructions
The screen displays critical information including:
- Power Output Indicator Bar: Shows current transmission power level.
- Battery Level Indicator: Displays remaining battery charge.
- Current TX/RX Status: Indicates if the radio is transmitting or receiving.
- Current Working Mode: Shows the active operating mode (e.g., AM).
- Main Frequency: The primary frequency currently in use.
- Secondary Frequency: A secondary frequency, if configured.
- Battery Save Enabled: Icon indicating if battery save feature is active.
- Battery Voltage Indicator: Displays the current battery voltage (e.g., 8.1V).
- Noise Intensity: Visual representation of background noise.
- Signal Strength: Indicates the strength of the received signal.
- Model: Displays the radio model, KT-A16.
4. Setup
4.1. Battery Installation
- Align the battery pack with the battery compartment on the back of the radio.
- Gently push the battery pack into place until it clicks securely.
- To remove, press the release latch (if present) and slide the battery out.
4.2. Antenna Attachment
- Screw the antenna clockwise onto the antenna connector on top of the radio until it is finger-tight. Do not overtighten.
4.3. Charging the Battery
- Connect the AC adapter to the desktop charger.
- Plug the AC adapter into a standard wall outlet.
- Place the radio (with battery installed) into the desktop charger.
- The charging indicator light on the charger will illuminate, typically red during charging and green when fully charged.
- A full charge for the 2000mAh battery typically takes several hours.
5. Operating Instructions
5.1. Power On/Off and Volume Adjustment
- To power on the radio, rotate the Power/Volume Knob (03) clockwise.
- Continue rotating clockwise to increase the volume.
- Rotate counter-clockwise to decrease the volume.
- To power off, rotate the knob fully counter-clockwise until it clicks.
5.2. Frequency Tuning and Channel Selection
- Use the UP Key (07) and DOWN Key (10) to adjust the frequency or navigate through channels.
- The Progress Knob (02) can also be used for fine-tuning frequencies or scrolling through options.
- Direct frequency input can be done using the Numeric Keypad (08).
5.3. Transmitting (PTT)
- To transmit, press and hold the PTT Key (17) located on the side of the radio.
- Speak clearly into the Microphone (05).
- Release the PTT key to stop transmitting and return to receive mode.
5.4. Menu Navigation
- Press the MENU Key (06) to access the radio's menu system.
- Use the UP/DOWN keys or Progress Knob to navigate through menu options.
- Press MENU again to confirm a selection or EXIT to go back.
5.5. Scanning
- To initiate scanning, long press the Long Press Scan Key (11).
- The radio supports Time, Carrier, or Search scanning modes. Refer to the full English manual for detailed configuration of scanning modes.
5.6. Keylock
- To lock or unlock the keypad, long press the Long Press Keylock Switch (12). This prevents accidental key presses.
5.7. Emergency Function
- The VFO/MR Key/Emergency Key (16) can be used to activate an emergency alert. Consult the full manual for specific emergency protocol setup.
5.8. Squelch Adjustment
- The squelch level can be adjusted via the menu to filter out weak signals and background noise.
6. Key Features
The QYT KT-A16 Air Band Radio offers a comprehensive set of features for effective communication:
- High Power Output: 6W (PEP) / 1.8W (CW) for extended range.
- Air Band Frequencies:
TX: 118.00000-136.99975MHz
RX: 108.00000-136.99975MHz - Wide Frequency Step Options: 2.50K, 5.00K, 6.25K, 10.00K, 12.50K, 25.00K.
- AM Mode Channel Spacing: Supports 25K and 8.33K channel spacing for AM mode. Note: 8.33K refers to AM Mode Channel Spacing, not frequency step.
- Superheterodyne Circuit: Ensures high sensitivity and selectivity for clear reception.
- Vibrant Display: 1.77-inch TFT-LCD color screen for clear information display.
- Extensive Memory: 200 Memory Channels for storing frequently used frequencies.
- NOAA Weather Channels: Includes 10 NOAA Weather forecast Channels for USA users.
- VOX Function: Voice-activated transmission for hands-free operation.
- Scanning Modes: Time, Carrier, or Search scanning modes available.
- PC Programmable: Allows for advanced customization and frequency management via computer software.
- Adjustable Squelch: Customize squelch level to reduce unwanted background noise.
- Long-lasting Battery: 2000mAh Rechargeable Battery Pack for extended use.
- Durable Design: IP45 waterproof rating and plastic material for robust use.
7. Specifications
7.1. General Specifications
| Parameter | Value |
|---|---|
| Frequency Range (TX) | 118.00000-136.99975MHz |
| Frequency Range (RX) | 108.00000-136.99975MHz |
| Frequency Range (WX) | 161.650-163.275MHz |
| Channel Spacing | 25kHz/8.33kHz |
| Mode | 6k00A3E/5K60A3E (AM), 16K0G3E (WX) |
| Number of Memory Channels | 200 |
| Antenna Impedance | 50ohm |
| Power Supply Requirement | 7.2V DC |
| Current Drain | Less than 1.8A |
| Operating Temperature Range | -10°C to +60°C (14°F to 140°F) |
| Weight | 239g (with 2000mAh Battery) |
| Waterproof Rating | IP45 |
| Material | Plastic |
7.2. Dimensions
The radio measures approximately 62mm (W) x 128mm (H) x 35mm (D) (excluding antenna). The total height with antenna is approximately 30.5cm (12.01 inches).
7.3. Transmitter Specifications
| Parameter | Value |
|---|---|
| Output Power | 6.0W (PEP), 1.8W (CW) |
| Modulation Limiting | 70-100% |
| Audio Harmonic Distortion | Less than 10% (at 60% modulation) |
| Hum and Noise Ratio | More than 35dB |
| Spurious Emissions | More than 46dB |
| Frequency Stability | ±0.4kHz |
7.4. Receiver Specifications
| Parameter | Value |
|---|---|
| Receive System | Double conversion superheterodyne |
| Intermediate Frequencies | 1st: 46.35MHz, 2nd: 450kHz |
| Sensitivity (COM) | Less than 0dBu (at 6dB S/N) |
| Sensitivity (NAV) | Less than 3dBu (at 6dB S/N) |
| Sensitivity (WX) | Less than -8dBu (at 12dB SINAD) |
| Squelch Sensitivity (Threshold COM/NAV) | Less than 0dBu |
| Spurious Response Rejection Ratio (COM/NAV) | More than 60dB |
| Spurious Response Rejection Ratio (WX) | More than 30dB |
8. Maintenance
- Cleaning: Use a soft, damp cloth to clean the radio's exterior. Do not use harsh chemicals or abrasive cleaners.
- Battery Care: To prolong battery life, avoid overcharging or completely draining the battery. Store the radio and battery in a cool, dry place when not in use for extended periods.
- Antenna: Ensure the antenna is securely attached. Do not operate the radio without an antenna, as this can damage the transmitter.
- Storage: Store the radio in a dry environment, away from extreme temperatures and direct sunlight.
9. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Radio does not power on | Battery is dead or not installed correctly. Power/Volume knob is off. | Charge the battery. Reinstall the battery. Rotate the Power/Volume knob clockwise. |
| Cannot transmit | Battery low. Incorrect frequency/channel. PTT button not pressed. | Charge battery. Verify frequency/channel. Ensure PTT is pressed firmly. |
| No reception or weak signal | Antenna loose or damaged. Squelch level too high. Out of range. | Check antenna connection. Adjust squelch level. Move closer to transmitting station. |
| Keypad unresponsive | Keylock is active. | Long press the Keylock Switch (12) to deactivate. |
10. User Tips
- Frequency Software: If you require software for programming frequencies, please contact the seller or manufacturer for assistance.
- Channel Spacing: Remember that 8.33K refers to AM Mode Channel Spacing, not a frequency step.
11. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the documentation provided with your purchase or contact the retailer/manufacturer directly. Keep your proof of purchase for any warranty claims.
