-
GPWS/G/S pushbutton switch which, when pressed (in), enables the Enhanced GPWC to perform test,
-GPWS/TERR pusbutton switch which, when pressed (in) (white OFF legend on), inhibits TAD and TCF functions,
-TERR ON ND (CAPT or F/O) pushbutton switches allow the crew to select or deselect terrain display on ND's,
-
Weather Radar control unit,
-
Weather Radar with Predictive Windshear System (WR/PWS), inhibition of Enhanced GPWS aural and/or visual alerts each time there are PWS aural and/or visual alerts.
R **ON A/C 106-149, 215-299, 301-399, 401-499,
E. Warning Outputs
(Ref. Fig. 006)
-two discrete outputs from the Enhanced GPWC control the PULL UP/GPWS pushbutton switches located on Captain and First Officer main instrument panels. Each pushbutton switch is a momentary-action pushbutton switch with an illuminated split legend cap. The upper legend identified PULL UP, controlled by the first output, comes on red when a ground proximity warning message including PULL UP is generated by the Enhanced GPWC. The lower legend identified GPWS, controlled by the second output, comes on amber when a glide slope (Mode 5) caution alert is generated by the Enhanced GPWC.
1EFF : ALL 1 34-48-00Page 14 1 1 Config-1 Aug 01/05 1 1 1CES 1
Enhanced GPWC - Inputs (Discretes)
Figure 005A
R 1EFF : 001-049, 051-099, 101-105, 151-199, 1 34-48-00Page 15 1201-214, 1Config-1 May 01/05 1 1 1CES 1
Enhanced GPWC - Outputs
Figure 006
R 1EFF : 106-149, 215-299, 301-399, 401-499, 1 34-48-00Page 16 1 1 Config-1 Aug 01/05 1 1 1CES 1 The pushbutton switch provides a facility to cancel a glide slope warning, if in progress, or to initiate an Enhanced GPWS self-test.
-
both discrete outputs are also used to inhibit TCAS and automatic call out when the PULL UP or GPWS warnings are in progress.
-
both discrete outputs are also used for the Digital Flight Data Recorder (DFDR).
-------------------------------------------------------------------------------
NAME ELECTRICAL LEVEL TO SIGNAL STATUS
-------------------------------------------------------------------------------
FAULT LEGEND GND/OC SYS P/BSW/SDACs GND = VALID
GPWS ALERT GND/OC FWCs GND = VALID
PULL UP LEGEND GND/OC FWCs GND = VALID
-------------------------------------------------------------------------------
R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-214,
E. Warning Outputs
R **ON A/C 001-049, 051-099, 101-102, 201-202, 211-214,
(Ref. Fig. 006A)
R **ON A/C 103-105, 151-199, 203-210,
(Ref. Fig. 006B)
R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-214,
-two discrete outputs from the Enhanced GPWC control the GPWS/G/S pushbutton switches located on Captain and First Officer main instrument panels. Each pushbutton switch is a momentary-action pushbutton switch with an illuminated split legend cap. The upper legend identified GPWS, controlled by the first output, comes on red when a ground proximity warning is generated by the Enhanced GPWC for Modes 1 to 4 or TAD and TCF warnings. The lower legend identified G/S, controlled by the second output, comes on amber when a glide slope (Mode 5) caution alert is generated by the Enhanced GPWC. The pushbutton switch provides a facility to cancel a glide slope warning, if in progress, or to initiate an Enhanced GPWS self-test.
1EFF : ALL 1 34-48-00Page 17 1 1 Config-1 May 01/05 1 1 1CES 1
Enhanced GPWC - Outputs
Figure 006A
R 1EFF : 001-049, 051-099, 101-102, 201-202, 1 34-48-00Page 18 1211-214, 1Config-1 May 01/05 1 1 1CES 1
Enhanced GPWC - Outputs
Figure 006B
R 1EFF : 103-105, 151-199, 203-210, 1 34-48-00Page 19 1 1 Config-1 May 01/05 1 1 1CES 1
-
both discrete outputs are also used to inhibit TCAS and automatic call out when the GPWS or G/S warnings are in progress.
-
both discrete outputs are also used for the Digital Flight Data Recorder (DFDR).
-------------------------------------------------------------------------------
NAME ELECTRICAL LEVEL TO SIGNAL STATUS
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