Philips IntelliVue MP70 Service Manual

Integrated Monitor Theory of Operation 2 Theory of Operation
31
Display & Operator Interface The Display and Operator Interface Manager performs the
following tasks:
• Screen presentation of real-time and stored physiological
measurement data, alarm condition data and status
information received from the MDSE interface manager,
the Alarm service or other IntelliVue Patient Monitoring
System modules
• Screen presentation of operating controls (control
windows)
• Processing of operating control commands received from
HIF Control interface. The module verifies and interprets
the received commands and forwards them to other
software modules of the IntelliVue Patient Monitoring
System display unit, Measurement Servers or Flexible
Module Server
• Sound generation (issues audible alarm signals and
generates audible information signals, for example QRS
and SpO
2
tones, operator audible feedback)
Interfaces
LAN The LAN interface implements the physical layer of IEEE 802.3.
The LAN interface performs Manchester encoding/decoding,
receive clock recovery, transmit pulse shaping, jabber, link
integrity testing, reverse polarity detection/correction, electrical
isolation, and ESD protection. Electronically separated interfaces
are used for communication to the Measurement Servers or
Flexible Module Server and to the network.
Centronics The Centronics interface implements the standard signaling
method for bi-directional parallel peripheral devices according to
IEEE 1284-I. The interface is used as a parallel interface to a
standard printer with electrical isolation and ESD protection.
Display Controller The Display Controller Interface consists of a video controller
chip, video RAM and the controlling software. The Display
Controller interface processes the high level display commands
(character and graphic generation, wave drawing) and translates
them into pixels, which are written into the video RAM where
the video controller chip generates the video synchronization
signals and the pixel stream for the Color LCD Display.
HIF Control The HIF (Human Interface Control) interface scans the Human
Interface devices for operator controls (Touch Screen, Trim
Knob, and PS/2 devices), formats the collected data and sends it
to the display and Operating Interface.
Functional Block Description

Philips IntelliVue MP70 Specifications

General

Brand	Philips
Model	IntelliVue MP70
Category	Medical Equipment
Language	English