Technical data

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1. Introduction ACK-540 RF

1.1 SPECIAL FEATURES

• Wireless mini-keyboard with integrated touchpad

• Far-ranging and reliable radio-frequency transmission at 2.4 GHz

up to approx. 10 m (33 ft) away from the PC

• Built-in 1000 dpi touchpad with scroll page area and

2 mouse function keys

• Extremely flat construction with built-in hand cushion

for comfortable work

• Full functionality of a full-size layout keyboard due to

built-in numeric keypad and 12 functional keys

• Extremely silent stroke and tactile feedback due to high

quality X-Type membrane technology

• Tilt feet for adjustment of the tilt angle for an ergonomic and

non-fatigue operation

• Plug & Play

installation without special driver

• Optimal for Digital Living Room (HTPC) as well as

for training, conference and presentation facilities etc.

1.2 Technical data:

Key count: 88

Construction X-Type membrane technology

Life expectancy: approx. 7 million strokes per key

Switch travel: 3.0 ±0.5 mm total run

Pressure point: 55 ±15 g

Radio Transmission: 2.4 – 2.483 GHz, ISM band, GFSK, 1 Channel

Device recognition: 256 IDs (Channels to differentiate several keyboards in a room)

Effective operation distance: approx. 10 m

Battery type: 4× AAA 1.5 V

Power supply: Keyboard: +6 V

±5 % Receiver: +5 V

±5 %

Power consumption maximal: Keyboard: 7 mA Receiver: 60 mA

Keyboard Standby: 5 mA (after 1 sec.)

Keyboard Sleep-Mode: 150 µA (after 30 min.)

Temperature: Operating: -5 °C up to +40 °C

Storage: -20 °C up to +65 °C

Humidity: Operating and storage: 10 % up to 85 % RH

Dimensions approx.: Keyboard: 300 x 210 x 20.5 mm Receiver: 80 x 22 x 14 mm

Weight approx.: Keyboard: 570 g (incl. batteries) Receiver: 12 g

Interface: USB (for dongle receiver)

Scope of delivery: Keyboard, USB dongle receiver, 1 set of batteries, user manual

Colour: Black/ silver

Certificated: CE, FCC, WEEE/RoHS

Compatibility: Win 98SE / ME / 2000 / XP / Vista