PRIMUSr 1000 Integrated Avionics System
A28--1146--112--00
PRIMUS
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II Radio System
C--32
ADF PAST
Refer to table C--11 for the ADF PAST procedures.
Step Procedure
1 Position cursor in ADF window.
2 Push and hold the TST button.
3 The results are:
D ADF TEST message will appear on the RMU.
D ADF bearing pointer slews to 135_ ± 10_.
D Audio tone is heard through the audio system.
D RMU annunciates ADF PASS in green or ADF ERR in
red.
ADF Past Procedure
Table C--11
Maintenance
Several pages of maintenance associated data can be accessed
through the maintenance menu page. By simultaneously pushing the
COM and NAV transfer buttons (top button on each side of the RMU)
the RMU will leave its normal operating modeand displaysa menuthat
the operator can use to enter a maintenance mode of operation. This
menu can be called up only when the aircraft is on the ground. During
this mode, various pages are used to give maintenance personnel
access to software versions, strap option settings, maintenance log
data and operating conditions of the radio system. Pushing thebottom
left line select key returns the RMU to the main tuning page.
Refertotheradiosystemsmaintenancemanualforadditionalinformation.
RMU Display Dimming
RMU display brightness can be adjusted using the tuning knob after the
DIM function button is pushed. The tuning knob returns to normal
operation when any function or line select key is selected. Setting
display brightness sets the bezel mounted light sensors with a
reference about which they adjust the brightness for varying lighting
conditions.
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