Beechcraft C-12C Operator And Technical Reference Manual page 557

actuation of the stick changes the active line while
horizontal actuation controls paging. Right actuation
selects the next page and left actuation selects the
previous page.
(4) Normal Checklist Key.
checklist key, placarded NORM, provides entry into
the multifunction display's normal checklist mode.
(5) Emergency
emergency checklist key, placarded EMER, provides
entry into the multifunction display's emergency
checklist mode.
(6) Skip Key.
moves the cursor to the next displayed waypoint in the
MAP or PLAN mode or skips the active line in a
checklist or index and advances the active selection to
a subsequent line when text is being displayed on the
MFD.
(7) Enter Key.
enters the displayed designator position (LAT/LON) as
a waypoint in place of a TO waypoint in the MAP or
PLAN mode. In a text mode (checklist or index),
actuation of the switch checks off a line in a checklist
or selects an index line item for display.
(8) Recall Key.
recalls the cursor to its home position when in MAP or
PLAN mode. In a text mode (NORM or EMER
checklist), actuation of this switch recalls the lowest-
numbered skipped line in a checklist.
(9) Page Key.
advances the page and places the active line selection
at the first line of the page.
(10) Multifunction Display Brightness Control.
This control, placarded DIM, controls multifunction
display brightness.
(11) Data Key.
adds long range navigation information to the MFD
MAP or PLAN displays.
(12) VOR Key.
adds VOR/DME symbols to the MFD MAP or PLAN
displays.
(13) Airport Key.
adds airport symbols to the MFD MAP or PLAN
displays.
(14) Range Control. This control, placarded
RNG INC / DEC, selects map range limits of 5, 10, 25,
50, 100, 200, 300, and 600 nm. Movement of switch
toward INC increases the selected range, while
The normal
Checklist Key.
This key, placarded SKP,
This key, placarded ENT,
This key, placarded RCL,
This key, placarded PAG,
This key, placarded DAT,
This key, placarded VOR,
This key, placarded APT,
movement toward DEC decreases selected range.
This switch is active only when WX is not selected for
display. When WX is selected, range is controlled by
the radar controller.
d. MFD Weather Radar Normal Operation.
The
If the radar system is operated in any other
mode other than standby while the aircraft
is on the ground, direct the nose of the
aircraft so that the antenna scan sector is
free of large metallic objects, such as
hangars or other aircraft, for a distance of
100 feet (30 meters) and tilt the antenna
fully upwards.
Do not operate radar during refueling of
aircraft or during refueling operations that
are within 100 feet (30 meters).
Do not operate radar if personnel are
standing too close to the 270° forward
sector of the aircraft.
Output power is radiated in TEST mode.
(1) Initial Control Settings.
1. Mode control – OFF.
2. GAIN control – PRESET position.
3. TILT control – +15°.
(2) Turn On Procedure.
1. Avionics Master Switch – ON.
2. Mode Control – STBY.
When power is first applied, the radar will
be in WAIT for 45 seconds to allow the
magnetron to warmup.
(3) Weather Radar Operation.
1. Weather/map Switch – WX.
2. Range Switches – As required.
TM 1-1520-218-10
WARNING
NOTE
3C-203