Introduction
This manual provides essential information for the safe and efficient operation of your Kaito KA230 Portable AM/FM Radio. Please read this manual thoroughly before using the product and retain it for future reference.
Important Safety Information
- Do not expose the unit to extreme temperatures, direct sunlight, dust, or humidity.
- Avoid dropping or subjecting the unit to strong impacts.
- Keep the unit away from water and other liquids.
- Use only specified batteries (2 AAA batteries). Ensure correct polarity during installation.
- Remove batteries if the unit will not be used for an extended period.
- Do not attempt to disassemble or modify the unit. Refer all servicing to qualified personnel.
- When using headphones, set the volume to a low level before listening to avoid hearing damage.
Package Contents
- Kaito KA230 Portable AM/FM Radio x 1
- User's Manual x 1
- Earphone x 1
Product Overview
The Kaito KA230 is a compact and portable AM/FM radio designed for excellent reception and ease of use. It features a high-sensitivity Silicon Lab IC for clear audio, a telescopic antenna, and a convenient belt clip.
Key Features:
- High sensitivity and selectivity on both AM and FM bands.
- Compact size with a belt clip for portability.
- High-resolution sound quality from a specially designed speaker.
- 3.5 mm earphone jack for private listening.
- Analog tuning for simple station selection.

Figure 1: Front view of the Kaito KA230 Portable AM/FM Radio with its telescopic antenna extended.
Setup
1. Battery Installation
- Locate the battery compartment cover on the back of the radio.
- Slide the cover downwards to open the compartment.
- Insert two (2) AAA batteries, ensuring the correct positive (+) and negative (-) polarity as indicated inside the compartment.
- Close the battery compartment cover by sliding it upwards until it clicks securely into place.

Figure 2: Battery compartment on the back of the Kaito KA230, highlighting where to insert two AAA batteries.
2. Antenna Extension
For optimal FM reception, gently extend the telescopic antenna located on the top of the radio to its full length. For AM reception, the internal antenna is typically sufficient, but adjusting the radio's orientation may improve signal quality.
Operating Instructions
1. Power On/Off and Band Selection
Locate the AM/FM/OFF switch on the side of the radio. Slide the switch to your desired band (AM or FM) to turn the radio on. Slide it to the "OFF" position to power down the unit.

Figure 3: Side controls of the Kaito KA230, including the power/band selector, volume, and tuning.
2. Tuning to a Station
Use the "TUNING" wheel on the side of the radio to scan for stations. The frequency dial on the front panel will indicate the current frequency. A red LED light labeled "BATT/TUNE" will illuminate when a strong signal is received, indicating successful tuning.
3. Volume Control
Adjust the listening volume using the "VOL" wheel, also located on the side of the radio, above the power/band switch.
4. Headphone Use
For private listening, plug the included earphones (or any standard 3.5mm headphones) into the headphone jack located on the side of the radio. The internal speaker will automatically mute when headphones are connected.
5. Using the Belt Clip
The Kaito KA230 features a built-in belt clip on its rear panel, allowing for convenient hands-free portability. Simply slide the clip onto your belt, pocket, or strap.

Figure 4: Rear view of the Kaito KA230, highlighting the integrated belt clip for portability.
Maintenance
- Clean the radio's exterior with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Keep the unit dry. If it gets wet, wipe it immediately with a soft, dry cloth.
- Store the radio in a cool, dry place when not in use.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Batteries are dead or incorrectly installed. | Replace batteries or check polarity. Ensure power switch is not in "OFF" position. |
| Poor reception/static | Weak signal, antenna not extended, or interference. | Extend the telescopic antenna (for FM). Rotate the radio for better AM reception. Move away from electronic devices causing interference. |
| No sound from speaker (headphones unplugged) | Volume too low or unit is in headphone mode. | Increase volume. Ensure no headphones are plugged into the jack. |
Specifications
- Brand: Kaito
- Model: KA230
- Item Model Number: 4331018916
- Tuner Technology: AM, FM
- AM Frequency Range: 520 KHz - 1710 KHz
- FM Frequency Range: 88.00 MHz - 108 MHz
- Power Source: 2 AAA batteries (not included)
- Product Dimensions: 4.5"L x 2.75"W x 1.5"H
- Item Weight: 3.77 ounces
- Material: Plastic
- Special Feature: Portable
- Connectivity Technology: Auxiliary (3.5mm headphone jack)
Warranty and Support
For warranty information or technical support, please refer to the contact details provided with your purchase documentation or visit the official Kaito website. Keep your proof of purchase for warranty claims.



