1. Product Overview
The cimetech RH204RH is an 18-key wireless numeric keypad designed to enhance efficiency for high-volume numeric data entry. Its compact and ergonomic design makes it suitable for various computing environments, providing a dedicated numeric input solution.
Image Description: A top-down view of the cimetech RH204RH wireless numeric keypad positioned next to a laptop and a wireless mouse on a desk. The keypad is black with white key legends, showing the numeric keys and function keys like Num Lock, Home, PgUp, PgDn, End, Ins, Del, Backspace, Enter, and arithmetic operators. This image illustrates the compact size and typical usage scenario of the keypad.
2. Package Contents
- 1 x 18-Key Wireless Numeric Keypad
- 1 x Wireless USB Receiver
- (AAA Battery Not Included)
3. Setup Instructions
- Install Battery: Open the battery compartment on the back of the keypad. Insert one AAA battery (not included), ensuring correct polarity.
- Connect USB Receiver: Locate the wireless USB receiver, typically stored in the battery compartment or a dedicated slot on the keypad. Plug the USB receiver into an available USB port on your computer.
- Power On: Turn on the keypad using the power switch (if available). The blue LED indicator on the top left corner will illuminate, indicating it is ready for use.
- Automatic Connection: The keypad is designed for plug-and-play use and should connect automatically without requiring additional drivers.
Image Description: The underside of the cimetech RH204RH wireless numeric keypad. The battery compartment is visible, along with the label indicating "2.4G wireless Numeric Keyboard, Voltage: 1.5V, Current: 6mA". Four anti-slip rubber pads are also visible at the corners of the base, designed to provide stability during use.
Image Description: A close-up view of the cimetech RH204RH wireless numeric keypad on a desk next to a laptop. The small USB receiver is plugged into a USB port on the side of the laptop, illustrating the wireless connection setup. The keypad itself is black with white key legends, highlighting its compact and portable nature.
4. Operating Instructions
4.1 Basic Numeric Input
Simply press the numeric keys (0-9) to input numbers. Use the arithmetic operators (+, -, *, /) for calculations. The "Enter" key functions as a standard enter key.
4.2 Function Key Mode
The keypad features a "Num Lock" key. When Num Lock is off, certain keys can perform alternative functions:
- Num Lock: Toggles between numeric input and function key mode. The blue LED indicator shows if Num Lock is active.
- Home: Moves the cursor to the beginning of a line or document.
- PgUp (Page Up): Scrolls up one page.
- PgDn (Page Down): Scrolls down one page.
- End: Moves the cursor to the end of a line or document.
- Ins (Insert): Toggles insert mode.
- Del (Delete): Deletes characters.
- Backspace: Deletes the character to the left of the cursor.
The product description also mentions "Save" shortcut keys and "bracket" keys for mathematical calculations in function key mode. Refer to your specific software for how these functions are mapped.
4.3 Compatibility
The keypad is compatible with Windows-based PCs (Windows XP, Vista, 7, 8) and Linux systems. It also supports Mac OS 9, though function keys may not work fully, while numeric keys operate correctly.
Image Description: The cimetech RH204RH wireless numeric keypad displayed alongside a laptop screen showing various operating system logos. Text overlays indicate compatibility with Windows SE7EN, Windows Vista, Windows XP, Linux ALL, and Mac OS 9, emphasizing the broad system support of the device.
5. Maintenance and Care
- Cleaning: Use a soft, dry cloth to clean the keypad. Avoid harsh chemicals or abrasive materials.
- Battery Replacement: Replace the AAA battery when the keypad becomes unresponsive or the battery indicator (if present) signals low power.
- Storage: When not in use for extended periods, it is recommended to remove the battery and store the USB receiver in its designated slot to prevent loss.
- Anti-slip Pads: The keypad features anti-slip pads on its base to ensure stability during use. Keep these pads clean for optimal grip.
6. Troubleshooting
- Keypad not responding:
- Ensure the AAA battery is correctly installed and has sufficient charge. Replace if necessary.
- Verify the USB receiver is securely plugged into an active USB port on your computer.
- Check if the keypad's power switch is in the "On" position.
- Try plugging the USB receiver into a different USB port.
- Function keys not working on Mac:
- As noted in compatibility, some function keys may not be fully supported on Mac OS, though numeric input should work.
- Keys typing multiple characters or not responding consistently:
- This could indicate a low battery. Replace the AAA battery.
- Ensure there are no obstructions under the keys.
- Try re-pairing the device by unplugging and re-inserting the USB receiver.
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | RH204RH |
| Connectivity | 2.4GHz Wireless (USB Receiver) |
| Number of Keys | 18 |
| Operating Distance | Up to 33 feet (10 meters) |
| Key Switch Life | 8 million strokes |
| Material | ABS Plastic |
| Power Supply | 1 x AAA Battery (Not Included) |
| Item Weight | 1.41 ounces |
| Package Dimensions | 3.7 x 3.11 x 2.72 inches |
| Compatible Devices | Windows-based PCs (XP, Vista, 7, 8), Linux, Mac OS 9 (numeric keys only) |
Image Description: A diagram showing the dimensions of the cimetech RH204RH wireless numeric keypad. The keypad measures approximately 140mm (5.5 inches) in length, 86mm (3.4 inches) in width, and 20mm (0.8 inches) in thickness at its thickest point, illustrating its compact and portable design.
8. Warranty and Support
For warranty information and technical support, please refer to the documentation included with your purchase or visit the official cimetech website. Keep your purchase receipt for warranty claims.