Technical Data - Philips SPEECHMIKE AIR LFH3000 Manual Del Usuario

6

Technical data

Connectivity
• Wireless connection with operating range up
to 10 meters (33 feet)
• USB: Mini-USB 2.0
• DC in: 6 V
• Headset: 3.5 mm
Microphone
• Microphone type: electret condenser
microphone
• Microphone cartridge: 10 mm
• Characteristic: uni-directional
• Frequency response: 100 – 7500 Hz
• Microphone sensitivity: -37 dB @ 1 kHz
• Signal-to-noise ratio: > 70 dBA
Speaker
• Built-in 30 mm round, dynamic speaker
• Acoustic frequency response: 300 – 7500 Hz
• Output power: > 200 mW
Specifications
• Product dimensions (W x D x H):
45 × 165 × 30 mm / 1.8 × 6.5 × 1.2 inch
• Weight: 125 g / 4.4 oz (including batteries)
System requirements
• Pentium III, 500 MHz and 512 MB RAM;
Recommended: Pentium IV or similar, 1 GHz
and 1 GB RAM
• 100 MB hard disk space for SpeechExec, 250
MB for Microsoft .NET Framework
• One free USB port
• Recommended minimum transfer rate for
LAN: 100 Mbit/s
• Windows Vista (with Service Pack 1),
Windows XP (with Service Pack 3)
20
Power
• Battery type: two Philips AAA Ni-MH
rechargeable batteries (LFH9154) or two
AAA batteries (LR03 or R03)
• Power supply: 6 V DC / 850 mA
• Up to 7 hours of recording (with Philips
rechargeable batteries LFH9154)
• Typical time for a full charge: 2.5 hours
Green specifications
• Compliant to 2002/95/EC (RoHS)
• Lead-free soldered product
Operation conditions
• Temperature: 5° – 45° C / 41° – 113° F
• Humidity: 10 % – 90 %
Optional accessories
• Philips noise-canceling headset LFH3090
• Philips SpeechMike Air docking station
LFH3050
• Philips AAA Ni-MH rechargeable batteries
LFH9154
• Philips power supply LFH9146
User manual