Philips M2540 Audio, External Video

M2540-92000-01 A M2540 Ultrasound System Field Service Manual Page 24
Specifications: Audio/Video Specifications
Audio
External Video
Table 2-8 Audio Specifications
Description Specification
Speakers Stereo—VCR, Doppler
Doppler spectrum toward transducer — left speaker
Doppler spectrum away from transducer — right speaker
Maximum power input: 4 watts
Impedance: 8 ohms
Frequency
Response
130 Hz to 12 KHz
Microphone Faces front. 10 Hz to 20 KHz electret type
Table 2-9 External Video Specifications
Description Specification
Color Composite NTSC 3.58 (USA), PAL 4.43 (Europe)
1.0 V p to p ±5% into 75 ohms (only with VCR option)
Print Trigger 1 signal from the APIO board
Active low: ON = 0.5 V max @ 1 mA; OFF = 5.25 VDC maximum
voltage