Introduction
The FCXJTU Digital 4-Channel Kitchen Timer is designed for precise time management in various settings, including cooking, classroom activities, and exercise. This versatile timer features four independent channels, allowing simultaneous tracking of multiple events. With its large display, shortcut keys, and flexible placement options, it offers convenience and reliability for all your timing needs.
Package Contents
- 1 x FCXJTU Digital 4-Channel Kitchen Timer (Model YS-166)
- 2 x AAA Batteries
- 1 x Instruction Manual (this document)
Product Features
- 4 Independent Channels: Simultaneously track up to four different events with individual countdown or count-up functions.
- Large, Clear Display: High-contrast screen with bold numbers for easy readability.
- Shortcut Keys: Quick setting options for 10 minutes, 5 minutes, and 10 seconds.
- Loud Alarm & Flashing Lights: Audible alarm with four distinct color-coded flashing lights (blue, green, orange, red) for each channel.
- Memory Function: Recalls the last set countdown time for convenience.
- On/Off Switch: Power saving feature to extend battery life.
- Versatile Placement: Equipped with a strong magnetic back for attachment to metal surfaces and a foldable stand for tabletop use.
- Maximum Timing Capacity: Up to 99 Hours, 59 Minutes, and 59 Seconds.

Image: The FCXJTU Digital 4-Channel Kitchen Timer displaying four active countdowns, highlighting its multi-channel capability.
Setup
1. Battery Installation
- Locate the battery compartment cover on the back of the timer.
- Slide the cover downwards to open the compartment.
- Insert two (2) AAA batteries, ensuring correct polarity (+/-) as indicated inside the compartment.
- Replace the battery compartment cover by sliding it upwards until it clicks into place.

Image: Detailed view of the battery compartment, showing the correct orientation for AAA battery insertion.
2. Placement Options
- Magnetic Attachment: The timer features strong magnets on its back, allowing it to be securely attached to metallic surfaces such as refrigerators, ovens, or whiteboards.
- Foldable Stand: For tabletop use, pull out the integrated foldable stand on the back of the timer to prop it up at a comfortable viewing angle.

Image: The timer demonstrating its magnetic attachment to a refrigerator and its use with the foldable stand on a kitchen counter.
Operating Instructions
1. Power On/Off
To power on the timer, slide the ON/OFF switch located on the back of the device to the "ON" position. To power off and conserve battery, slide the switch to the "OFF" position. The timer will retain its last settings when powered off and on again.

Image: A close-up view of the power switch on the back of the timer, indicating its ON/OFF functionality.
2. Selecting a Channel
Press the T1, T2, T3, or T4 button on the right side of the timer to select the desired channel. The selected channel's display will flash, indicating it is ready for input.
3. Setting the Time (Countdown)
After selecting a channel:
- Use the H (Hours), M (Minutes), and S (Seconds) buttons to set the desired time for the selected channel. Pressing a button repeatedly will increase the value. Hold the button down for faster adjustment.
- Alternatively, use the shortcut keys: 10M (10 Minutes), 5M (5 Minutes), or 10S (10 Seconds) to quickly add time to the selected channel.
- To clear the time for the selected channel, press the RESET button.

Image: The timer's control panel, highlighting the Hour, Minute, Second, and shortcut buttons for time input.
4. Starting/Stopping Timers
- To start the countdown for the selected channel, press the ST/SP (Start/Stop) button.
- To pause the countdown, press the ST/SP button again.
- To resume, press ST/SP once more.
- If a timer reaches zero, it will automatically switch to count-up mode and trigger the alarm.
5. Count-Up Function
To use the count-up function, ensure the selected channel's time is set to "00:00:00". Press the ST/SP button to start counting upwards from zero.
6. Alarm Functions (Loud/Mute & Flashing Lights)
When a countdown reaches zero, the timer will emit an audible alarm and the corresponding channel's indicator light will flash. Each channel has a distinct color: T1 (blue), T2 (green), T3 (orange), T4 (red).
- Adjusting Alarm Volume: A toggle switch on the back of the timer allows you to select between a loud alarm, a low volume alarm, or mute the sound entirely. The flashing lights will still activate even when the sound is muted.
- To stop the alarm, press any button.

Image: A close-up of the timer's back, showing the switch to adjust the alarm volume or mute it.

Image: The timer's display with flashing light indicators next to each channel, demonstrating the visual alarm feature.
7. Memory Function
The timer automatically stores the last set countdown time for each channel. After a countdown completes and the alarm is stopped, pressing the RESET button will restore the channel to its previously set time, allowing for quick reuse.
Maintenance
- Cleaning: Wipe the timer with a soft, dry cloth. Do not use abrasive cleaners or immerse the device in water.
- Battery Replacement: When the display dims or the timer functions erratically, replace both AAA batteries. Always use new batteries and dispose of old ones responsibly.
- Storage: If storing the timer for an extended period, remove the batteries to prevent leakage.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Timer does not power on. | Batteries are dead or incorrectly installed. | Check battery polarity. Replace with new AAA batteries. Ensure ON/OFF switch is in the "ON" position. |
| Alarm is not audible. | Alarm volume is set to mute. | Adjust the volume switch on the back of the timer to "Loud" or "Low". The flashing lights will still indicate completion. |
| Timer does not respond to button presses. | Low battery or temporary malfunction. | Replace batteries. Try powering the timer off and on again. |
| Display is dim or flickering. | Low battery. | Replace with new AAA batteries. |
Specifications
- Model: YS-166
- Brand: FCXJTU
- Color: White
- Material: Plastic
- Product Dimensions (D x W x H): 0.95" x 3.54" x 3.54" (2.41 cm x 8.99 cm x 8.99 cm)
- Item Weight: 95 Grams
- Number of Channels: 4
- Screen Size: 9 Centimeters (diagonal)
- Power Source: 2 x AAA Batteries (included)
- Max Timing Capacity: 99 Hours, 59 Minutes, 59 Seconds
Warranty and Support
For warranty information or technical support, please refer to the contact details provided on the product packaging or visit the official FCXJTU website. Keep your purchase receipt for warranty claims.