Arrow PA-28R-201 Pilot's Operating Handbook And Faa Approved Airplane Flight Manual page 293

PIPER AIRCRAFT CORPORATION
PA-28R-201, ARROW
2. Changing Vertical Speed
a. Using CWS
(I) CWS button - PRESS and HOLD.
SECTION 9
SUPPLEMENT 8
(2) Airplane - Establish desired vertical speed.
(3) CWS button - RELEASE.
b. Using Vertical Trim Control
(I) VERTICAL TRIM CONTROL- PRESSeitherupordown
to increase or decrease the vertical speed. Displayed vertical
speed changes 100 fpm for every second control is held down.
CAUTION
When operating at or near the best rate of climb
airspeed and using vertical speed hold, it is easy
to decelerate to an airspeed on the back side of
the power curve (a decrease in airspeed results
in a reduced rate of climb). Continued
operation on the back side ofthe power curve in
vertical speed hold mode will result in a stall.
CAUTION
When operating at or near the maximum
autopilot speed, it will be necessary to reduce
power in order to maintain the desired rate of
descent and not exceed the maximum autopilot
speed.
C. ALTITUDE PRESELECT
I.
ALTITUDE SELECT knob - PUSH small knob to the IN position.
2.
ALTITUDE SELECT knob - ROTATE until the desired altitude is
displayed.
3. ALTITUDE SELECT MODE (ARM) button - PUSH to arm the
altitude select mode.
4. Airplane - ESTABLISH ATTITUDE necessary to intercept the
selected altitude.
ISSUED: SEPTEMBER 15, 1988
REPORT: VB-1365
3 of 8,
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