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REVERSION SWITCH PANEL
DESCRIPTION
A reversion switch panel, located on the pilot’s side of the center pedestal above the spoiler handle, provides an alternate method of displaying EICAS information should one of the EICAS displays fail.
COMPONENTS AND OPERATION
The following is a brief description of the reversion panel switches:
LEFT DISPLAYS REVERSION SWITCH
The LEFT DISPLAYS reversion switch is a three-position switch, enabling the reversion of the left side PFD/MFD dis-plays.
PFD REV
L-PFD displays compressed format. L-MFD is shut down.
NORM
L-PFD format is normal. L-MFD format is normal.
MFD REV
L-PFD is shut down. L-MFD displays compressed format.
Sep 13/2004 Flight Crew Operating Manual Volume 2 REV 1 CSP 100-6
03-02-09
AURAL/VISUAL ALERTS
REVERSION SWITCH PANEL (Cont)
RIGHT DISPLAYS REVERSION SWITCH
The RIGHT DISPLAYS reversion switch is a three-position switch, enabling the reversion of the right side MFD/PFD dis-plays.
MFD REV
R-MFD displays compressed format. R-PFD is shut down.
NORM
R-MFD format is normal. R-PFD is normal.
PFD REV
R-MFD is shut down. R-PFD displays compressed format.
ATT/HDG REVERSION SWITCH
The ATT/HDG reversion switch is a three-position switch.
1
All displays use AHRS 1 data.
NORM
The displays use their own side AHRS (Pilot-1,copilot-2).
2
All displays use AHRS 2 data.
AIR DATA REVERSION SWITCH
The AIR DATA reversion switch is a three-position switch.
1
All displays use ADC 1 data.
NORM
The displays show on-side data.
2
All displays use ADC 2 data.
TUNE SWITCH
The TUNE switch is a four-position switch.
COM1 121.50
COM 1 is tuned to 121.50 MHz emergency frequency
MFD ONLY
Tuning enabled only by MFD. Tuning of the radios by the CDU(s) is disabled;.
NORM
Tuning is normal and can be done through the MFDs or the CDUs as desired.
CDU ONLY
Tuning of the radios enabled only by CDUs. Tuning by the MFD is disabled.
Volume 2 Flight Crew Operating Manual Sep 13/2004 CSP 100-6 REV 1
03-02-10 INTEGRATED AVIONICS PROCESSOR SYSTEM (IAPS)
DESCRIPTION
The integrated avionics processor system (IAPS) is a physical collection of functional modules combined into an efficient mechanical package to minimize size, weight, and aircraft wiring, and to improve system reliability and maintainability.
The IAPS independently transmits signals more than once, and each part has independent power. The IAPS also reads some avionics busses and sends data words to the LRUs that use that data. The IAPS performs ARINC data processing and distribution for avionics LRUs.
The IAPS consists of various functional units. The input/output concentrator units (IOCs) get data words and transmit them to the correct LRU. The IAPS power supplies energize the IOCs. The IAPS environmental controller (IEC) monitors the housing temperature and controls the fans. The control strapping units (CSUs) and the options control modules (OCMs) set the IAPS strap settings.
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