*
Graphic generator (GG) source
*
DU input activity
*
Status of brightness inputs.
The background of the test format is black. Text titles are cyan. Test values are white except for FAIL, N (for no) and BAD which are red. PASS and Y (for yes) are green.
DU Location
The DU location information shows the location ID pins of the DU that the GG is addressing. The readouts show as:
*
RIB -right inboard DU
*
ROB -right outboard DU
*
CU -center upper DU
*
CL -center lower DU
*
LIB -left inboard DU
*
LOB -left outboard DU.
An invalid DU location ID shows as BAD.
EFFECTIVITY
BEJ ALL
ARINC 429 Loop
The ARINC 429 loop shows the status of the ARINC 429 bus from the DUs to the AIMS cabinets.
A PASS or FAIL indication shows on the DU.
GG Source
The GG source shows the GG that is driving the display. The readouts show as:
*
L10 for the left GG in the left AIMS cabinet
*
L11 for the right GG in the Left AIMS cabinet
*
R10 for the left GG in the right AIMS cabinet
*
R11 for the right GG in the right AIMS cabinet.
Input Activity
The input activity area shows the status of the four DU coaxial cable inputs. The specific input for each DU shows with a white highlight box.
A Y or N shows for each of the four coaxial inputs.
Brightness Inputs
The value of both automatic and manual brightness control inputs show as a percentage of maximum value.
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PRIMARY DISPLAY SYSTEM -BRIGHTNESS CONTROLS AND DISPLAY UNITS TEST DISPLAY
The range of each of the inputs is from 0 to 100. BAD shows if the input is bad. These are the inputs for automatic brightness controls:
*
Remote light sensor (RLS)
*
Bezel light sensor (BLS).
During the test, automatic brightness control of the DUs is disabled.
These are the manual inputs:
*
Unit brightness from the individual brightness control knob
*
Master brightness from the zone brightness control
*
WXR from the shading brightness control knob.
As you adjust a knob, the value on the DU should change.
EFFECTIVITY BEJ ALL 31-61-00
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PRIMARY DISPLAY SYSTEM -BRIGHTNESS CONTROLS AND DISPLAY UNITS TEST DISPLAY
EFFECTIVITY BEJ ALL 31-61-00
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PRIMARY DISPLAY SYSTEM -DISPLAY SWITCHES TEST DISPLAY
General
The display switches test display is a special purpose test that shows the status of switches that effect the primary display system. You use the MAT or the PMAT to select the test and a test display shows on all six DUs. As you change the position of any of the switches, the display changes.
The display shows the condition of these switches:
*
Display select panel (DSP) switches
*
Accept (ACPT), cancel (CANC), reject (RJCT) switches.
The display also shows the position of switches and selectors on the:
*
Instrument source select panels (ISSPs)
*
Display switching panels
*
CDCP.
DSP Switches
There is an indication for all the switches on the DSP. A filled white box shows when you select a switch. The fill goes away when you deselect the switch.
Accept, Cancel, Reject Switches
A filled white box shows when you select a switch. The fill goes away when you deselect the switch.
ISSPs
The position of each of the switches on the captain’s and first officer’s ISSPs show.
The display control (DSPL CTRL) switch positions show as AUTO or ALT.
The navigation source switch positions show as AUTO or CDU.
The air data/attitude source switch positions show as NORM or ALT.
Display Switching Panels
The captain’s and first officer’s inboard display selector positions show as PFD, ND, MFD or EICAS.
The heading reference switch position shows as NORM or MAG.
CDCP
The display control (DSPL CTRL) switch position shows as AUTO or ALT.
The event record switch shows a white box shows when you select the switch. The white box goes away when you deselect the switch.
EFFECTIVITY BEJ ALL 31-61-00
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PRIMARY DISPLAY SYSTEM -DISPLAY SWITCHES TEST DISPLAY
EFFECTIVITY BEJ ALL 31-61-00
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