Beechcraft C-12C Operator And Technical Reference Manual page 545

Figure 3C-141. Model Aircraft Page Access and Function
Table 3C-104. Model Aircraft Page Access and Usage Procedure
NO.
1 Pressing IDX function key will access the index page.
2 Scroll to index 2 page.
3 Accesses model aircraft page.
4 Inserts the model altitude.
5 Inserts the model wind.
6 Inserts the model true airspeed.
7 Inserts the heading; toggles heading mode between flight plan Steering
(STR) and Heading Hold (HLD).
8 Toggle the line select key for either RUNNING or STOPPED modes.
DESCRIPTION/FUNCTION
TM 1-1520-218-10
3C-191