Beechcraft C-12C Operator And Technical Reference Manual page 433

Table 3C-15. CDU Annunciations and Scratchpad Messages (Continued)
ANNUNCIATION / INITIATING CONDITION
SP MESSAGE
XXXX:XX UTC DISPLAY enabled
on the Start 1 page.
Location
LEGEND Blinking
Not Clearable X
MSG Alert
The scratchpad messages are displayed in
uppercase letters. Some of the messages
alternate with the entered data that caused the
message. If a scratchpad
simultaneously displayed with data, the first CLR
key activation will clear the scratchpad message
and the next CLR will clear the scratchpad.
Annunciations are displayed in lowercase
letters. The annunciation line displays only a
single annunciation at a time; however, a + marker
will appear to indicate when multiple annunciations
are present. The priority of annunciations is
shown in Table 3C-15. The + flashes whenever
an unacknowledged
annunciation is generated.
acknowledged by pressing the CLR key and
cycling through the currently active annunciations.
Disable
DISPLAY
Start 1 page.
SP scratchpad message
A annunciation line
N steady (non-blinking)
B blinking
A alternating (between SP message and entered SP data)
annunciation is non-clearable
X activates external CDU alert annunciation
message is
and lower priority
Annunciations are
RESET LOCATION BLINKING
MECHANISM
UTC A
on
Additionally, the chart indicates if the annunciation is
non-clearable and if the CDU master alert annunciation is
also set by the associated condition.
annunciations, use the CLR key to clear.
scratchpad messages are in the scratchpad, the CLR key
will first clear the scratchpad before clearing the
annunciation line.
Table 3C-16 shows the priority of the CDU
annunciations (highest priority at top of list).
In addition to the annunciations and scratchpad
messages listed in Table 3C-16, the FMS-800 will provide
the additional alerts listed in Table 3C-17 to inform the
flight crew of various flight conditions. These alerts may
appear either on electronic flight instrument displays or on
annunciator light displays.
TM 1-1510-218-10
NOT CDU
CLEARABLE MSG
ALERT
N X
For clearable
If data or
3C-79