Product Overview
The LEAP Digital Chess Clock, model PQ9907S, is designed for various two-player board games, including Chinese Chess, International Chess, and I-GO. It features a clear digital display, intuitive controls, and functions such as count-up, count-down, bonus, and delay timing. The clock also includes an alarm function to signal time expiration.

Image: The LEAP Digital Chess Clock (PQ9907S) in gold, presented with its packaging. The clock features a large seesaw button and a dual digital display.
Key Components

Image: A detailed diagram illustrating the main controls of the chess clock. These include the "Turn Lever" (seesaw button), "Increase" button (+), "Start/Pause/Setting" button (play/pause icon), and "Decrease" button (-).
- Turn Lever (Seesaw Button): Used to switch turns between players. Pressing one side stops that player's timer and starts the other's.
- Increase Button (+): Used to increase time values during setting or for count-up functions.
- Start/Pause/Setting Button (Play/Pause Icon):
- Short press: Starts or pauses the timer.
- Long press (3 seconds): Enters time setting mode.
- Decrease Button (-): Used to decrease time values during setting or for count-down functions.
- ON-OFF Switch: Located on the bottom of the clock to conserve battery life when not in use.
Setup and Battery Installation
- Locate the battery compartment on the bottom of the clock.
- Open the battery compartment cover.
- Insert one AA battery (not included), ensuring correct polarity (+/-).
- Close the battery compartment cover securely.
- Flip the ON-OFF switch on the bottom to the "ON" position to power on the clock.
Video: A demonstration of the LEAP Digital Chess Clock, highlighting its quiet operation and the location of the ON-OFF switch and battery compartment on the underside. The video shows the clock being turned on and its display activating.
Operating Instructions
Setting the Time
- Ensure the clock is powered on.
- Press and hold the Start/Pause/Setting button (play/pause icon) for 3 seconds until the display flashes, indicating setting mode.
- Use the Increase (+) and Decrease (-) buttons to adjust the hours, minutes, and seconds for each player. The display will cycle through these settings.
- Press the Start/Pause/Setting button briefly to move to the next time segment (e.g., from hours to minutes).
- Once all time segments are set, press and hold the Start/Pause/Setting button for 3 seconds again to exit setting mode and save the changes.
Video: A demonstration of setting the time on the LEAP Digital Chess Clock. The user presses and holds the center button to enter setting mode, then uses the plus and minus buttons to adjust hours, minutes, and seconds for both players, and finally presses the center button again to save the settings.
Using Bonus and Delay Functions
The clock supports bonus (increment) and delay timing modes. These settings are typically adjusted within the time setting mode. Refer to the specific instructions printed on the back of the clock or the full manual for detailed steps on configuring bonus and delay times.

Image: The clock's display during time setting, showing indicators for "bonus" and "delay" functions, allowing users to configure these advanced timing options.
Starting and Pausing a Game
- After setting the desired times, ensure the clock is not in setting mode.
- Press the Start/Pause/Setting button briefly to start the game timer.
- To pause the game, press the Start/Pause/Setting button briefly again. The timers will stop.
- To resume, press the Start/Pause/Setting button once more.
Player Turns
During a game, after a player completes their move, they press their side of the Turn Lever. This action stops their timer and starts the opponent's timer.
Video: A demonstration of the LEAP Digital Chess Clock in active play. The video shows a hand pressing the seesaw button to switch turns, illustrating how the timer for one player stops while the other's begins counting down.
Alarm Function
The clock features an alarm that sounds when a player's time runs out. This alarm can be toggled on or off. Consult the instructions printed on the bottom of the clock or the full manual for details on enabling or disabling the alarm.


Image: Two close-up images of the clock's display. One shows an alarm icon, indicating the alarm is active, while the other shows no icon, indicating silent mode.
Maintenance
- Battery Replacement: When the display dims or the clock malfunctions, replace the AA battery. Ensure the clock is turned off before replacing the battery.
- Cleaning: Wipe the clock with a soft, dry cloth. Avoid using abrasive cleaners or solvents, which may damage the surface.
- Storage: Store the clock in a dry place away from direct sunlight and extreme temperatures. Turn off the clock when not in use for extended periods to prevent battery drain.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Clock does not turn on. | Battery is dead or incorrectly installed. | Check battery polarity or replace with a new AA battery. Ensure the ON-OFF switch is in the "ON" position. |
| Display is dim or flickering. | Low battery power. | Replace the AA battery. |
| Time setting is difficult or unresponsive. | Not holding the setting button long enough, or buttons are stuck. | Ensure the Start/Pause/Setting button is held for 3 seconds to enter/exit setting mode. Check buttons for obstructions. |
| Alarm does not sound. | Alarm function is disabled. | Refer to the instructions on the bottom of the clock or the full manual to enable the alarm function. |
Specifications
- Model: PQ9907S
- Brand: LEAP
- Color: Gold (as per current product variant)
- Material: Acrylonitrile Butadiene Styrene (ABS)
- Product Dimensions: 1.93"D x 5.51"W x 3.66"H
- Item Weight: 9.1 ounces (259 Grams)
- Screen Size: 3 Inches
- Number of Settings: 6 (referring to various timing modes)
- Max Count-up/Count-down Time: Up to 10 Hours (9:59:59)
- Power Source: 1 x AA battery (not included)
- Recommended Age: 12 years and up

Image: A diagram illustrating the physical dimensions of the LEAP Digital Chess Clock, providing measurements for width, depth, and height.
Warranty and Support
For warranty information or technical support, please refer to the contact details provided with your product packaging or visit the official LEAP website. Keep your purchase receipt as proof of purchase.