ZMX PANDA20

PANDA20 Mechanical Number Pad User Manual

Model: PANDA20 | Brand: ZMX

Introduction

The ZMX PANDA20 Mechanical Number Pad is a versatile and highly customizable numeric keypad designed for enhanced productivity and gaming. Featuring VIA/QMK programmability, a durable aluminum CNC case, hot-swappable switches, and tri-mode connectivity (Bluetooth 5.0, 2.4GHz, USB-C), it offers a premium typing experience with personalized RGB backlighting. This manual provides essential information for setup, operation, and maintenance of your PANDA20 numpad.

What's in the Box

  • PANDA20 Mechanical Numpad
  • USB Cable
  • User Manual
  • Keycap Puller
  • Spare Switches
PANDA20 Mechanical Number Pad and its packaging
Image: The PANDA20 Mechanical Number Pad, shown alongside its packaging, illustrating the compact design.

Specifications

FeatureDetail
Product Dimensions5.1 x 3.7 x 1.3 inches
Item Weight1 pounds
ManufacturerZMX
Model NumberPANDA20
Batteries1 Nonstandard Battery (included)
Connectivity Technology2.4GHz, Bluetooth 5.0, USB-C
Keyboard DescriptionNumeric
Number of Keys20
BacklightingRGB
Special FeaturesBacklit, Ergonomic Height, Hot-Swappable, Portable, Rechargeable, VIA/QMK Programmable

Setup

Tri-Mode Connection

The PANDA20 numpad supports three connection modes: Wireless 2.4GHz, Bluetooth 5.0, and USB-C Wired. It can connect to up to 3 devices simultaneously.

  1. USB-C Wired Connection:

    Connect the provided USB-C cable from the numpad to your computer's USB port. The numpad will be recognized automatically.

  2. 2.4GHz Wireless Connection:

    Locate the 2.4GHz USB receiver, typically stored in a compartment on the numpad. Plug the receiver into an available USB port on your computer. The numpad should connect automatically. This mode offers faster transmission with lower latency.

  3. Bluetooth 5.0 Connection:

    Ensure the numpad is in Bluetooth mode (refer to the numpad's physical switch or key combination if available). On your device (PC, laptop, Mac, smartphone, iPad, tablet), go to Bluetooth settings and search for new devices. Select "PANDA20" from the list to pair. This mode provides lower latency and power consumption.

Diagram showing the three connection modes: Wireless 2.4G, Type-C cable, and Bluetooth 5.0, with descriptions of each.
Image: A visual representation of the PANDA20's three connection modes: 2.4GHz wireless, USB-C wired, and Bluetooth 5.0, highlighting their respective benefits.
Close-up of the PANDA20 numpad's bottom showing the receiver storage bin, Bluetooth switch, and wired interface.
Image: Detailed view of the numpad's underside, indicating the receiver storage, Bluetooth switch, and USB-C port for wired connection.

Operating Instructions

VIA/QMK Programmability

The PANDA20 numpad is fully programmable using VIA and QMK software. This allows you to customize key functions, create macros, and adjust lighting effects for all 20 keys (excluding the FN key).

  • Key Remapping: Assign any key to perform a different function, such as system shortcuts, multimedia controls, or specific text inputs.
  • Macro Creation: Program complex sequences of keystrokes to be executed with a single press, ideal for gaming or productivity tasks.
  • Lighting Effects: Customize the RGB backlight with various colors and effects to match your setup or mood.

For detailed instructions on using VIA/QMK software, please refer to the official VIA/QMK documentation online or the specific software guide provided by ZMX.

Hot-Swappable Switches

The PANDA20 features a hot-swappable PCB, allowing you to easily change mechanical switches without soldering. It supports both 3-pin and 5-pin switches.

  • To remove a switch, use the provided switch puller to gently grip and pull the switch upwards.
  • To install a new switch, align the pins of the new switch with the holes on the PCB and press down firmly until it clicks into place. Ensure pins are straight to avoid bending.
Diagram illustrating the hot-swappable technology with a Kailh Snow Switch and its specifications.
Image: An exploded view demonstrating the hot-swappable switch mechanism, featuring a Kailh Snow Switch and its operational specifications.
Detailed view of the Gasket Structure of the PANDA20 numpad, showing layers of components.
Image: A detailed diagram illustrating the multi-layered gasket structure of the numpad, including the aluminum alloy upper cover, PP slotted positioning plate, PORON sandwich cotton, IXPE shaft underpad, PCB coating, black core PCB, EPDM cotton shaft seat, battery, aluminum alloy bottom shell, and stainless steel mirror back plate.
Close-up of the Custom Black Core PCB with one-piece forming hardware axle seat.
Image: A close-up view of the custom black core PCB, highlighting the integrated hardware axle seats designed for secure switch installation and longevity.

RGB Backlight

The PANDA20 features a vibrant RGB backlight with up to 16 million colors. You can customize the backlight effects through the VIA driver software.

PANDA20 numpad with illuminated RGB backlight, showcasing various colors.
Image: The PANDA20 numpad displaying its customizable RGB backlighting, with keys illuminated in a spectrum of colors.

Maintenance

  • Cleaning: Use a soft, dry cloth to wipe down the numpad. For deeper cleaning, you can remove keycaps and use compressed air to clear debris from between switches.
  • Switch Care: If you frequently swap switches, ensure proper alignment to prevent bending pins. Store spare switches in a clean, dry place.
  • Battery: The numpad is equipped with a 2500mAh battery. For optimal battery life, avoid fully discharging the battery frequently.

Troubleshooting

Connectivity Issues

  • Numpad not recognized (Wired): Ensure the USB-C cable is securely connected to both the numpad and your computer. Try a different USB port or cable.
  • 2.4GHz Wireless not connecting: Verify the USB receiver is properly plugged in. Ensure the numpad is in 2.4GHz mode. Try re-pairing by unplugging and re-plugging the receiver.
  • Bluetooth not pairing: Make sure Bluetooth is enabled on your device and the numpad is in Bluetooth pairing mode. Remove any previous pairings of the numpad from your device's Bluetooth settings and try pairing again. Ensure the numpad battery has sufficient charge.

Key Functionality Issues

  • Keys not responding: Check if the switch is properly seated. If it's a hot-swappable switch, remove and re-insert it. If the issue persists, try swapping it with a spare switch.
  • Incorrect key output: This might be due to a custom keymap. Use the VIA/QMK software to reset the keymap to default or reconfigure the problematic key.

RGB Backlight Issues

  • Backlight not working: Ensure the backlight is enabled via the numpad's controls or VIA software. Check if the numpad battery is charged.
  • Inconsistent lighting: This could indicate a software issue. Try updating the firmware or resetting the lighting profile in VIA.

Warranty and Support

For warranty information and technical support, please contact ZMX customer service. You can find more information and contact details on the official ZMX website or through their Amazon store page.

Visit the ZMX Store: ZMX Official Store on Amazon

© 2025 ZMX. All rights reserved.

PANDA20 Mechanical Number Pad User Manual

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