1. Introduction
This manual provides detailed instructions for the Mosptnspg 75% TKL Wired Mechanical Keyboard, Model ZH018. This keyboard features an 82-key compact layout, RGB backlighting, gasket mount design, hot-swappable switches, PBT keycaps, and a dedicated volume knob. Please read this manual thoroughly to ensure proper setup and operation of your device.

Image 1.1: Mosptnspg 75% TKL Wired Mechanical Keyboard overview.
2. Package Contents
Verify that all items are present in the package:
- Mosptnspg 75% TKL Wired Mechanical Keyboard (Model ZH018)
- USB-C to USB-A Cable
- Keycap Puller
- User Manual (this document)
3. Product Features
The Mosptnspg ZH018 keyboard is designed with several advanced features for an enhanced typing and gaming experience:
- 75% Layout (82 Keys): A compact design that includes function keys and arrow keys, optimizing desk space.
- Gasket Mount Structure: Advanced internal structure with two layers of padding and noise cancellation for a quiet and solid typing feel.
- Hot-Swappable Switches: Compatible with 3-pin and 5-pin mechanical switches, allowing for easy customization without soldering.
- Linear Red Switches: Provide a consistent force throughout the keystroke, offering a smooth and responsive typing experience suitable for gaming and general use.
- PBT Keycaps: Durable, anti-sweat, non-sticky, and non-slip keycaps for long-lasting comfort and aesthetics.
- RGB Backlighting: Customizable with over 16.8 million colors and various lighting effects.
- Multimedia Volume Knob: A dedicated knob for convenient volume control and play/pause functionality.
- Ergonomic Design: Features two-step adjustable feet to maintain a comfortable typing angle and reduce fatigue.

Image 3.1: Diagram illustrating the internal gasket mount structure, PBT keycaps, and linear red switches.

Image 3.2: Keyboard showcasing its ergonomic design with two-step adjustable legs.
4. Setup
- Connect the Keyboard:
Connect the provided USB-C to USB-A cable to the USB-C port on the keyboard and the USB-A port on your computer. The keyboard is plug-and-play and should be recognized automatically by your operating system.

Image 4.1: Keyboard connected with its removable data cable and adjustable legs.
- Adjust Keyboard Angle:
Flip out the two-step adjustable feet located on the underside of the keyboard to achieve your preferred typing angle.
5. Operating Instructions
5.1 Basic Functions
- Standard Keys: All standard alphanumeric and symbol keys function as expected.
- Function Keys (F1-F12): Access function keys directly.
- Arrow Keys: Dedicated arrow keys are integrated into the 75% layout.

Image 5.1: Highlighted keys for Caps Lock, Windows Lock, and System Switch functions.
5.2 Multimedia Shortcut Keys
The keyboard includes 12 multimedia shortcut keys accessible by pressing the Fn key in combination with the corresponding F-key (F1-F12).

Image 5.2: Illustration of multimedia shortcut key combinations (Fn + F1-F12).
5.3 Multimedia Knob
The dedicated knob located in the upper right corner of the keyboard provides quick control over media functions:
- Turn Knob: Rotate clockwise to increase volume, counter-clockwise to decrease volume.
- Press Knob: Press the knob to play or pause media playback.

Image 5.3: Detailed view of the multimedia knob and its functionalities.
5.4 RGB Lighting Control
The keyboard features customizable RGB backlighting. You can cycle through various lighting effects and adjust brightness directly on the keyboard or through the dedicated software.
- Specific key combinations for on-board lighting control are typically found in the quick start guide or software documentation.
- For advanced customization, including per-key RGB and macro settings, refer to the programmable software.

Image 5.4: Close-up view of the keyboard showcasing its vibrant RGB backlighting.
5.5 Hot-Swapping Switches
The Mosptnspg ZH018 keyboard supports hot-swappable mechanical switches (3-pin or 5-pin), allowing you to change switches without soldering.
- Remove Keycap: Use the included keycap puller to gently remove the desired keycap.
- Remove Switch: Use a switch puller (not included, but often comes with replacement switches) to carefully pull the switch straight up from the PCB.
- Insert New Switch: Align the pins of the new switch with the holes on the PCB. Press the switch firmly until it clicks into place. Ensure pins are not bent.
- Replace Keycap: Place the keycap back onto the new switch stem.

Image 5.5: Illustration of the hot-swappable feature, showing how switches can be removed and replaced.

Image 5.6: Close-up view of linear switches and the custom stabilizer mechanism.
5.6 Software Customization
The keyboard supports programmable software for advanced customization. This software allows users to:
- Set custom lighting effects (over 16.8 million RGB colors).
- Define key functions and remap keys.
- Create and manage macros.
The software typically includes on-board memory, so settings are saved directly to the keyboard and do not require the software to run continuously in the background.
Note: The software for this keyboard is often referred to as "Surmen M87" or similar. Please refer to the manufacturer's website or product page for the latest software download link and instructions.

Image 5.7: Screenshot of the programmable software interface for lighting and key function customization.

Image 5.8: The keyboard's software interface shown across various devices, demonstrating its customization capabilities.
6. Maintenance
- Cleaning Keycaps: Use a soft, damp cloth to wipe down the PBT keycaps. For deeper cleaning, remove keycaps using the provided keycap puller and wash them with mild soap and water. Ensure they are completely dry before reattaching.
- Cleaning the Keyboard Body: Use a soft, dry cloth to clean the keyboard body. Avoid using harsh chemicals or abrasive materials.
- Dust Removal: Use compressed air to remove dust and debris from between the keycaps and switches.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Keyboard not responding | Loose USB connection, faulty cable, driver issue. |
|
| RGB lighting not working or incorrect | Lighting mode not selected, software conflict, switch issue. |
|
| Keys not registering input | Loose or faulty switch, debris under keycap. |
|
| Multimedia knob not functioning | Software conflict, physical obstruction. |
|
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | ZH018 |
| Layout | 75% (82 Keys) |
| Switch Type | Linear Red Switch (Hot-Swappable, 3-pin/5-pin compatible) |
| Keycap Material | PBT (Polybutylene Terephthalate) |
| Mounting Style | Gasket Mount |
| Backlighting | RGB (16.8 million colors, multiple effects) |
| Connectivity | Wired (USB-C to USB-A) |
| Special Features | Multimedia Knob, Ergonomic Adjustable Feet, Programmable Software, Anti-Ghosting (NKRO) |
| Compatible Devices | Laptop, PC |
| Item Weight | 1.96 pounds |
| Package Dimensions | 14.37 x 7.44 x 2.01 inches |
| Manufacturer | CJXSP |
9. Warranty and Support
For warranty information and technical support, please contact the manufacturer or your point of purchase. Keep your proof of purchase for warranty claims.
You can visit the Mosptnspg store for more information: Mosptnspg Store