1. Introduction
The LEAP PQ9923 Digital Chess Clock is a versatile and professional timing device designed for various two-player board games, including Chess, Chinese Chess, and I-GO. Its upgraded design features a large digital display, compact and lightweight construction, and a smooth texture for comfortable handling. This manual provides detailed instructions for setting up, operating, and maintaining your chess clock.

2. Key Features
- Large Digital Display: Clear and easy-to-read time indicators.
- Multi-functional: Supports Time, Bonus, Delay, Move count, Countdown, Count-up, and Alarm functions.
- Preset Modes: Quickly select from 3 common preset modes (blitz, bonus, delay) or customize your own.
- Move Recording: Ability to record the number of moves made.
- Setting Memory: Retains custom settings for convenience.
- Audible Alarm: Can be turned on or off.
- Durable Construction: Made from premium and durable ABS plastic.
- Compact & Lightweight: Easy to transport and handle.
3. Package Contents
- 1 x PQ9923 LEAP Digital Chess Clock
- 1 x User Manual (English)
4. Specifications
| Attribute | Value |
|---|---|
| Model Number | PQ9923 |
| Material | ABS Plastic |
| Item Size (L x W x H) | 135 x 100 x 40mm (5.31 x 3.94 x 1.57in) |
| Item Weight | 141g (4.97oz) |
| Battery Included | No |
| Type | Mini, Multifunctional |

5. Controls and Display
The chess clock features a clear digital display and three control buttons on the front, with additional instructions on the back panel.

Front Panel Buttons:
- [-]/SOUND Button: Used to decrease values in setting mode, choose time modes, and long press to toggle alarm on/off.
- [PLAY/PAUSE] Button: Used to start or pause the timer. Long press to enter setting mode.
- [+]/UP Button: Used to increase values in setting mode, choose time modes, and long press to toggle 'UP' (count-up) function on/off.
Back Panel Instructions:

The back panel provides a quick reference for button functions and preset time modes:
- [+]/UP: Choose time modes; Add "1" if setting mode; Long press to turn on/off "UP".
- [-]/SOUND: Choose time modes; Minus "1" if setting mode; Alarm on/off by long pressing.
- [PLAY/PAUSE]: To start or pause; long press to setting.
Preset Time Modes:
| Mode | Preset Time |
|---|---|
| Time (Blitz) | 5 minutes |
| Bonus | 30 minutes + 5 seconds/move |
| Delay | 45 minutes + 10 seconds/move |
| Countdown to Count-up | Auto switching to count-up time from countdown when "UP" is active |
| Count-up | Start from 0:00:00 when "UP" is active |
6. Initial Setup
The PQ9923 Chess Clock requires batteries for operation (batteries are not included). Locate the battery compartment on the underside of the clock, insert the required batteries, and ensure proper polarity. Once batteries are inserted, turn on the clock using the ON/OFF switch, also located on the underside.
7. Operating Instructions
The clock offers various modes for different game timings. You can select preset modes or customize your own.
7.1. Selecting Preset Modes
From the main display, use the [+]/UP or [-]/SOUND buttons to cycle through the available preset time modes (e.g., 5 minutes blitz, 30 minutes + 5 seconds bonus, 45 minutes + 10 seconds delay). The selected mode will be displayed.
7.2. Customizing Time Settings
- Long press the [PLAY/PAUSE] button to enter setting mode.
- Use the [+]/UP and [-]/SOUND buttons to adjust the hours, minutes, and seconds for each player.
- Press [PLAY/PAUSE] briefly to move between setting hours, minutes, and seconds.
- Once all settings are configured, long press [PLAY/PAUSE] again to exit setting mode and save your changes.
7.3. Countdown Mode
To start a game in countdown mode directly:
- Ensure the clock is on.
- Press the [PLAY/PAUSE] button. The countdown will begin for the active player.
- To pause the game, press [PLAY/PAUSE] again. Press it once more to resume.
![Instructions for Countdown mode: Turn on the clock, and press [PLAY/PAUSE] button to start countdown mode directly.](https://manuals.plus/ae/1005007457388451/images/Sc6362ce1085243fbbba1193432992bdd9.jpg)
7.4. Count-Up Mode
The clock supports two methods for count-up functionality:
Method 1: Starting from 0:00:00
- Set both players' times to 0:00:00 in setting mode.
- From the main display, long press the [+]/UP button for 3 seconds. The "UP" icon will appear on the display, indicating count-up mode is active.
- Press [PLAY/PAUSE] to start the count-up timer.
![Instructions for Count Up Method 1: Set both times to 0:00:00, then press [+]/UP for 3s to activate 'UP' icon and start counting.](https://manuals.plus/ae/1005007457388451/images/S0f5460d366114c3e872dda8d669dc5884.jpg)
Method 2: Automatic switch after Countdown
- Long press the [+]/UP button for 3 seconds to show the "UP" icon, indicating that the clock will switch to count-up mode after the countdown ends.
- Start a game in countdown mode as usual.
- When a player's countdown time reaches zero, the clock will automatically switch to count-up mode for that player.
![Instructions for Count Up Method 2: Show 'UP' icon by pressing [+]/UP for 3s, start countdown, and it automatically enters count up mode when countdown ends.](https://manuals.plus/ae/1005007457388451/images/Sff87a022f9b74fe3adea5ec343692a8fZ.jpg)
7.5. Alarm Function
To toggle the audible alarm on or off, long press the [-]/SOUND button.
7.6. Recording Moves
The clock can record the number of moves. This feature is automatically active in certain modes or can be enabled during setup. The display will show the move count alongside the time.
8. Maintenance
- Cleaning: Wipe the clock with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Storage: Store the clock in a dry place away from extreme temperatures and direct sunlight.
- Battery Replacement: Replace batteries promptly when the display dims or the clock malfunctions to prevent corrosion. Remove batteries if the clock will not be used for an extended period.
9. Troubleshooting
- Clock not turning on: Check if batteries are inserted correctly and have sufficient charge. Ensure the ON/OFF switch is in the 'ON' position.
- Display is dim or flickering: Replace batteries.
- Buttons unresponsive: Ensure the clock is not in a locked state (if applicable, though not specified for this model). Try removing and reinserting batteries to reset.
- Incorrect time display: Re-enter setting mode and verify the time settings.
10. User Tips
- Familiarize yourself with the button functions on the back panel for quick adjustments during gameplay.
- Utilize the preset modes for common game timings to save setup time.
- Practice setting custom times before a competitive game to ensure smooth operation.
- The compact size makes it ideal for travel; consider a protective case for transport.
11. Warranty and Support
For any issues or inquiries regarding your PQ9923 LEAP Digital Chess Clock, please refer to the seller or manufacturer's official support channels. Keep your purchase receipt as proof of purchase for any warranty claims.





