Honeywell bendis king KLN 94, Maintenance Manual

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BENDIX/KING KLN 94
Rev 0, Sept/2000 15599M00.JA Page 5-15
B. To check button lighting, set the lighting to 14V.
C. Then, set the lighting to 28V.
D. Assess the display for missing pixels.
E. Check display dimming. Display will be fully dimmed with dimming knob completely
counter-clockwise and fully bright with the knob completely clockwise.
K. If no failures are indicated, check “OK” on the Final Data Sheet.
5.2.4.16 UNIT BUILT-IN SELF TEST
A. Turn the right inner knob until the page below is displayed.
B. Check the display to verify all variables show “P”.
C. If no failures are detected, check “OK” on the Final Data Sheet.
5.2.4.17 AUDIO OUTPUT AND DC ROLL STEERING TEST
A. Close S14.
B. Turn the right inner knob on the unit to display the following page.
C. Press the CLR button on the unit and note the display change. Before pressing
CLR, check Audio off: (THTP15, THTP16), output < 100mV p-p; DC Roll Steering
center (THTP17, GND), output = 0
±
.135 VDC.
DISPLAY TEST PATTERNS
Use CLR button to
sequence patterns
TST 2
ADC-P LOC-P ALT-P S1-P
STR-P AARM-P APR-P S2-P
LNAV-P MSG-P
VNAV-P WPT-P
TST 8
TST 5
ALTITUDE ALERT
AUDIO OFF
DC ROLL STEERING
CENTER