CHERRY G84-4400 toetsenbord, universeel, USB, QWERTY, US-Engels, zwart

An ultraflat compact keyboard with integrated 16 mm trackball combines typing and pointing in a single space-saving device. Designed for constrained workspaces such as 19-inch installations, slimline PCs and notebooks, it also offers additional input options for pen-based systems. The keyboard is lightweight, extremely flat and features keycaps arranged on an 18 mm grid with status LEDs for operating functions.

Advantages

The integrated trackball eliminates the need for a separate mouse, saving desk space while preserving full pointing functionality. Mechanical ML-series keys deliver high-precision key action and individual keys are durable with an expected life of approximately 20 million actuations. Gold Crosspoint contacts and a stated MTBF of 134,000 hours provide improved reliability for continuous use.

Key specifications

• Trackball diameter: 16 mm
• Number of keys: 84 (European version), 83 (US version)
• Key grid: 18 mm
• Switch type: mechanical ML series
• Indicator LEDs for operating functions
• Design: ultraflat, lightweight
• Reliability: MTBF 134,000 hours
• Key life: approx. 20 million operations per key

How to use

Place the keyboard on a flat surface and connect it to the host system according to the supplied interface specification. Use the integrated trackball for cursor control and the mechanical keys for text input; LEDs show the status of selected operating functions. For pen-based systems use the additional input options provided by the host. Regularly clean the trackball and key surfaces to maintain reliable operation.

Recommendations

The keyboard is suitable for environments with limited desk space and for installations where a compact, combined typing and pointing solution is required; select the European or US key layout according to regional preference.