ZHIWHIS Portable AM FM Receiver ZWS-105 Instruction Manual

1. Introduction

This manual provides essential information for the safe and efficient operation of your ZHIWHIS Portable AM FM Receiver, model ZWS-105. Please read this manual thoroughly before using the device and retain it for future reference.

The ZWS-105 is a compact, pocket-sized radio designed for portability and ease of use. It features precise digital tuning for both AM and FM bands, a clear LCD display, and a powerful DSP chip for enhanced reception. With its 100-station memory, digital clock, and timer functions, it offers a versatile listening experience for various activities.

2. Package Contents

Upon unpacking, please ensure all items listed below are present and in good condition:

• 1 x ZHIWHIS Portable Radio (Model ZWS-105)
• 1 x Stereo Earphone
• 1 x Hand Strap
• 1 x Neck Lanyard
• 1 x Waterproof Storage Bag
• 1 x Owner's Manual (this document)

Image: The ZHIWHIS ZWS-105 Portable Radio shown with its included accessories: earphones, hand strap, neck lanyard, and waterproof storage bag.

3. Product Features

• Digital Tuning: Precise AM/FM digital tuning with an easy-to-read LCD display.
• User-Friendly Controls: Intuitive button layout for easy station selection and volume adjustment.
• Portable Design: Compact, pocket-sized, powered by 2 AAA batteries, ideal for on-the-go use.
• Reception Enhancer: Equipped with a powerful DSP chip and telescopic antenna for improved signal reception and clear sound quality.
• Station Memory: Store up to 100 radio stations (50 for AM, 50 for FM) for quick access.
• Audio Output: Strong speaker audio and a 3.5mm earphone jack for personal listening.
• Digital Clock & Timers: Features a digital clock, auto power-on (alarm clock), and a sleep timer (15-90 minutes).

Image: Front view of the ZHIWHIS ZWS-105 Portable Radio, illustrating its compact size and digital display.

4. Product Layout and Controls

Familiarize yourself with the radio's buttons and ports for optimal operation.

Image: A detailed diagram showing the location and function of each button and port on the ZHIWHIS ZWS-105 Portable Radio, including the Lanyard Hole, Power/Sleep Timer Setting, Band/Scan/Alarm Setting, Lock switch, Battery Cover, Loudspeaker, Volume +/-, Tune +/-, MEM (Memory Station/Recall station/Time Setting), and 3.5mm Earphone Jack.

• Power/Sleep Timer Setting: Turns the radio on/off and sets the sleep timer.
• Band/Scan/Alarm Setting: Switches between AM/FM bands, initiates automatic station scanning, and sets the alarm.
• Lock Switch: Prevents accidental button presses. Slide to the right to lock, to the left to unlock.
• Volume +/-: Adjusts the audio output level.
• Tune +/-: Manually adjusts the radio frequency.
• MEM (Memory Station/Recall station/Time Setting): Used for saving and recalling preset stations, and for setting the digital clock.
• 3.5mm Earphone Jack: Connects to earphones for private listening.
• Telescopic Antenna: Extend for improved FM reception.

5. Setup

5.1 Battery Installation

The ZWS-105 radio operates on 2 x 1.5V AAA batteries (not included).

1. Locate the battery compartment cover on the back of the radio.
2. Slide the cover open.
3. Insert two AAA batteries, ensuring correct polarity (+ and -) as indicated inside the compartment.
4. Close the battery compartment cover securely.

Image: The back of the ZHIWHIS ZWS-105 Portable Radio with the battery compartment open, showing where to insert two AAA batteries.

6. Basic Operation

6.1 Power On/Off

• To turn on the radio, press the Power button.
• To turn off the radio, long-press the Power button.

6.2 Band Selection (AM/FM)

• Press the BAND button to switch between AM and FM bands. The selected band will be displayed on the LCD screen.

6.3 Tuning to Stations

• Automatic Scan (ATS): Long-press the BAND/SCAN button. The radio will automatically search for and save available stations to memory.
• Manual Tuning: Use the TUNE +/- buttons to manually adjust the frequency step by step.

Video: This video demonstrates how to automatically search and save preset radio stations on a similar portable radio model. It shows pressing the power button to enter FM mode, then long-pressing the MEM/SCAN button to initiate automatic search, and finally using M+/- to recall saved stations.

6.4 Volume Adjustment

• Use the VOL +/- buttons to increase or decrease the volume.

6.5 Listening Options

• Built-in Speaker: The radio features a φ40mm 4Ω 2W speaker for clear audio.
• Earphone Jack: For private listening, plug 3.5mm earphones into the earphone jack. When earphones are connected, the earphone cable acts as an external antenna for FM reception.

Image: Two scenarios demonstrating listening options for the ZHIWHIS ZWS-105 Portable Radio: one showing a person listening via the built-in speaker, and another showing a person using 3.5mm earphones.

7. Advanced Features

7.1 Setting the Digital Clock

• When the radio is off, long-press the MEM/SCAN button to enter time setting mode.
• Use the TUNE +/- buttons to switch between 12H/24H time display.
• Click the MEM/SCAN button again to select the hour, then use TUNE +/- to adjust.
• Repeat for minutes.
• Press MEM/SCAN to confirm and exit.

Video: This video provides user guidance on setting the time and timing shutdown features on a portable AM FM radio. It shows how to adjust the time and set a sleep timer.

7.2 Setting the Alarm Clock (Auto Power-On)

• When the radio is off, long-press the BAND/SCAN button to enter alarm setting mode.
• Use the TUNE +/- buttons to set the desired alarm time (hour and minute).
• Press BAND/SCAN to confirm. The alarm icon will appear on the display.
• The radio will automatically turn on at the set time.

7.3 Sleep Timer

The sleep timer allows the radio to automatically shut off after a set period (15 to 90 minutes).

• When the radio is on, short-press the Power/Sleep Timer Setting button repeatedly to cycle through sleep timer options (e.g., 90, 80, 70...15 minutes, OFF).
• The radio will automatically turn off after the selected duration.

Image: Icons representing the digital clock, start timer (auto power-on), alarm clock, and sleep timer features of the ZHIWHIS ZWS-105 Portable Radio.

7.4 Station Memory (Saving and Recalling)

The radio can store up to 50 AM and 50 FM stations.

• Automatic Storage (ATS): As described in Section 6.3, long-press the BAND/SCAN button to automatically search and save stations.
• Manual Storage:
  1. Tune to the desired station using TUNE +/-.
  2. Long-press the MEM button until "MEM" flashes on the screen.
  3. Use TUNE +/- to select a memory preset number (P01-P50).
  4. Short-press the MEM button again to confirm and save.
• Recalling Stations: Short-press the MEM button, then use TUNE +/- to cycle through your saved preset stations.

Image: The ZHIWHIS ZWS-105 Portable Radio displaying its DSP reception capabilities for FM (64-108MHz) and AM (520-1710KHz), along with an indication of its 100-station memory capacity and two memory station methods (ATS and Manual).

8. Specifications

9. Troubleshooting

If you encounter issues with your ZHIWHIS ZWS-105 radio, please refer to the following common solutions:

• No Power:
  • Ensure batteries are inserted correctly with proper polarity.
  • Replace old or depleted AAA batteries with new ones.
  • Check if the Power button is pressed firmly.
• Poor Reception:
  • Extend the telescopic antenna fully for FM reception.
  • If using earphones, ensure they are properly plugged in, as the cable acts as an antenna.
  • Try repositioning the radio or moving to an area with better signal strength.
  • Perform an automatic station scan (ATS) to find stronger signals.
• No Sound:
  • Increase the volume using the VOL +/- buttons.
  • If earphones are plugged in, ensure they are working and properly connected.
  • Check if the radio is tuned to an active station.
• Buttons Unresponsive:
  • Check if the Lock switch is in the unlocked position.
  • Remove and reinsert batteries to reset the device.

10. Warranty and Support

ZHIWHIS offers a full 12-month guarantee for this product. If you encounter any issues or have questions, please contact ZHIWHIS customer service. They provide 24/7 customer support to ensure a satisfactory solution.

For support, please refer to the contact information provided with your purchase or on the official ZHIWHIS website.