1. Introduction
Thank you for choosing the Kaito WRX-911 AM/FM Shortwave Radio. This compact and intuitive radio is designed to provide clear reception across multiple bands, making it an excellent choice for both new and experienced shortwave listeners. This manual will guide you through the setup, operation, and maintenance of your new radio.
The WRX-911 is ideal for travel due to its solid and compact design, offering essential features like a retractable antenna, volume control, and a tuning knob for easy operation.
2. Product Overview
Familiarize yourself with the components and features of your Kaito WRX-911 radio.
Figure 2.1: Front view of the Kaito WRX-911 radio with the telescopic antenna extended. This image shows the speaker grille, the frequency display, band selector switch, tuning knob, and power indicator.
Figure 2.2: Front view of the Kaito WRX-911 radio, highlighting the tuning and power controls on the right side, and the band selection switch at the bottom. The frequency display clearly shows the AM, FM, and nine Shortwave bands with their respective frequency ranges.
Figure 2.3: Back view of two Kaito WRX-911 radios (black and blue models), showing the battery compartment cover and product information labels. The blue model is the subject of this manual.
Package Contents:
- Kaito WRX-911 AM/FM Shortwave Radio
- Earphones
- Carrying Pouch
- User Manual (this document)
3. Setup
3.1 Powering Your Radio
The Kaito WRX-911 operates on two AA batteries (not included). An optional AC adapter can also be used (sold separately).
- Locate the battery compartment on the back of the radio.
- Slide open the battery compartment cover.
- Insert two AA batteries, ensuring correct polarity (+ and -) as indicated inside the compartment.
- Close the battery compartment cover securely.
Note: If using an AC adapter, plug it into the DC IN jack on the side of the radio and then into a standard wall outlet. Remove batteries if the radio will not be used for an extended period to prevent leakage.
3.2 Antenna
The radio features a built-in telescopic antenna for FM and Shortwave reception, and an internal antenna for AM reception.
- For FM and Shortwave, fully extend the telescopic antenna for optimal reception. You may also rotate it for better signal strength.
- For AM, the internal antenna is directional. Rotate the entire radio for best reception.
4. Operating Instructions
4.1 Turning On/Off and Volume Control
- To turn the radio ON, rotate the VOLUME knob clockwise until you hear a click and the power indicator light illuminates.
- To adjust the volume, continue rotating the VOLUME knob.
- To turn the radio OFF, rotate the VOLUME knob counter-clockwise until it clicks off and the power indicator light extinguishes.
4.2 Selecting a Band
The WRX-911 supports AM, FM, and 9 Shortwave bands.
- Use the BAND SELECTOR switch located at the bottom front of the radio to choose your desired band: FM, AM, or one of the SW1-SW9 shortwave bands.
4.3 Tuning to a Station
Once a band is selected, use the TUNING knob to find a station.
- Rotate the TUNING knob (located on the top right side) to scan through frequencies.
- The frequency display will show the approximate frequency.
- A green TUNER light will illuminate and get brighter as you approach a strong signal, indicating optimal tuning.
4.4 Using Earphones
For private listening, plug the included earphones into the EARPHONE jack on the side of the radio. The built-in speaker will automatically mute when earphones are connected.
5. Specifications
| Feature | Description |
|---|---|
| Dimensions (L x W x H) | 4.5 x 1 x 3 inches (11.43 x 2.54 x 7.62 cm) |
| Weight | 5.6 ounces (158.76 grams) |
| Color | Blue |
| Power Source | 2 x AA Batteries (not included) or optional AC Adapter |
| Tuner Technology | Analog |
| Radio Bands | AM, FM, 9 Shortwave Bands |
| FM Frequency Range | 88 - 108 MHz |
| AM Frequency Range | 530 - 1710 KHz |
| Shortwave 1 (SW1) | 4.60 - 5.20 MHz |
| Shortwave 2 (SW2) | 5.75 - 6.40 MHz |
| Shortwave 3 (SW3) | 6.95 - 7.65 MHz |
| Shortwave 4 (SW4) | 9.30 - 9.90 MHz |
| Shortwave 5 (SW5) | 11.55 - 12.10 MHz |
| Shortwave 6 (SW6) | 13.55 - 13.85 MHz |
| Shortwave 7 (SW7) | 14.85 - 15.80 MHz |
| Shortwave 8 (SW8) | 17.40 - 18.05 MHz |
| Shortwave 9 (SW9) | 21.30 - 21.95 MHz |
| Connectivity | Auxiliary (Earphone Jack) |
| Special Features | Built-in speaker, telescopic antenna, high sensitivity & selectivity |
6. Maintenance
6.1 Cleaning
To clean the radio, use a soft, dry cloth. Do not use liquid cleaners or abrasive chemicals, as they may damage the finish or internal components.
6.2 Battery Care
- Remove batteries if the radio will not be used for an extended period (e.g., more than a month) to prevent battery leakage and corrosion.
- Replace all batteries at the same time. Do not mix old and new batteries, or different types of batteries.
- Dispose of used batteries according to local regulations.
6.3 Storage
Store the radio in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity. Retract the antenna before storage.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Batteries are dead or incorrectly inserted. | Replace batteries, ensuring correct polarity. |
| Poor reception / Static | Antenna not extended/positioned correctly; weak signal; interference. | Fully extend and rotate the telescopic antenna. For AM, rotate the radio. Move away from electronic devices that may cause interference. Try tuning at different times of day for shortwave. |
| Tuning knob is stiff | Normal characteristic for some units. | Continue to use, it may loosen over time. Do not force. |
| Distorted audio | Tuning not precise; very strong signal; low batteries. | Fine-tune the station. Lower volume. Replace batteries. |
8. Warranty and Support
8.1 Manufacturer's Warranty
The Kaito WRX-911 AM/FM Shortwave Radio comes with a 1-year manufacturer's warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use. It does not cover damage caused by misuse, accident, unauthorized modification, or external causes.
Please retain your proof of purchase for warranty claims.
8.2 Customer Support
For technical assistance, warranty service, or general inquiries, please contact Kaito customer support. Refer to the contact information provided on the Kaito website or your product packaging.
You can also visit the official Kaito Store on Amazon for more information and related products: Kaito Store
