Piper Malibu PA-46-310P Pilot Operating Handbook page 366

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BENDIX/RING
SECTION 6
SYSTEM DESCRIPTION AND OPERATION
70. ALTITUDE SELECT ARM (ARM) ANNUNCIATOR - Indicates that the
Altitude Select mode is armed to capture the selected
altitude.
71. ALTITUDE SELECT MODE (ARM) BUTTON - Vhen pressed and the
selected altitude is displayed, will arm the Altitude
Select mode. The Altitude Select (ARM) mode will cancel
altitude hold (ALT) if ALT is already engaged. If Altitude
Select (ARM) mode is present when GS couple occurs, the GS
mode will cancel Altitude Select (ARM) mode. The
engagement of ALT by the pilot's use of the ALT switch will
cancel the Altitude Select (ARM) mode. Reselection of a new
altitude will also cycle the Altitude Select (ARM) mode
off.
72. CONTROL VBEEL STEERING (CVS) BUTTON (Not shown) - Vhen
pressed, in addition to the normal autopilot functions the
CVS also interfaces with the KAS 297B. Vhen operating in
the Vertical Speed Bold mode, the CVS will re-sync the
Vertical Speed Bold mode to the current vertical speed of
the airplane. If altitude is displayed when the CVS is
pressed, the display will automatically display vertical
speed as long as the CVS is depressed. CVS does not affect
the Altitude Select mode.
73. VERTICAL TRIM CONTROL (Not shown) - Vhen in the Vertical
Speed Bold mode this control can be used to slew the
vertical speed up or down at 100 fpm for every second the
rocker switch is held down. If altitude is being displayed
at the time the rocker switch is depressed, vertical speed
will be displayed until 1-2 seconds after the rocker switch
is released.
FAA Approved
Revision 4
Piper Models PA-46-310P and PA-46-350P
Airplane Plight Manual Supplement
006-0428-01
Page 39 of 39