MacGregor Industries
71 GLIDER
The Function Menu List is accessed from the Information Display Screen by pressing the LIST key. From the Function
Menu List, rotate the Scroll Bar to highlight the "MOTO.HOLD" menu choice and click the Scroll Bar.
The Motor Hold facility enables a switch to be used to move the Throttle servo (Motor) to a pre-set position irrespective of
the Throttle (Spoiler) stick position. This can be used to switch the Throttle stick (Spoiler stick) between control of the
motor for power, or Butterfly (Crow) action for braking. The Flight Modes or various switches may be used to select the
required action and the motor position during hold may be specified. Of course, it is usual to select the switch/Flight Mode
used to control the Butterfly (Crow) braking to additionally control the motor so that when the Butterfly (Crow) mix is
enabled, the Throttle (Motor) is disabled and vice versa.
When Dual Flaps are activated in System Mode - Wing TYPE, the Motor hold facility is not available as the Motor
channel is used for the second Flap.
Throttle servo (Motor) positions between -10% and +100% can be set although 0% or motor stop, is usually selected.
Please note that the display will only show switches for the Flight Modes activated in System Mode - DeviceSEL.
To set a Motor Hold position,
highlight the Motor HOLD menu choice by rotating the Scroll Bar and click on it to bring
up the sub menu. The figure is surrounded by a box to indicate that it is selected. Rotate the Scroll Bar to alter the setting.
To return the figures to the default of 0, press the clear (CLR) key at the left hand side of the screen. When the required
setting is achieved, click the Scroll Bar to exit the sub menu.
To select an activation switch,
highlight the required switch by rotating the Scroll Bar and click on it to toggle between
"ON" and "OFF". The black indicator square moves between the bottom of the box (OFF) and the top of the box (ON)
to indicate the current selection. The selection toggles between the "ON" and "OFF" positions with each click.
Note that when a switch/Flight Mode is selected to enable the hold facility, the switch indicator to the right of
[MOTO.HOLD] on the top left of the screen changes from "ON" to "OFF" as the activation switch is moved.
Switch Identification:
CRU
Cruise Flight Mode.
SPD
Speed Flight Mode. (Appears when SPEED Flight Mode is enabled in System Mode - DeviceSEL.)
THM
Thermal Flight Mode. (Appears when SPEED Flight Mode is enabled in System Mode - DeviceSEL.)
LAU
Launch Flight Mode. (Appears when LAUN Flight Mode is enabled in System Mode - DeviceSEL.)
LND
Land Flight Mode. (Appears when LAUN Flight Mode is enabled in System Mode - DeviceSEL.)
BTF
Butterfly (Mix/Hold) switch.
MOT
Motor (Gear) switch.
RUD
Rudder Dual Rate switch.
Press the LIST key to return to the Function Menu. Press the enter (ENT) key to return to the Information Display Screen.
Multipoint Program Mixes 1 and 2.
The Function Menu List is accessed from the Information Display Screen by pressing the LIST key. From the Function
Menu List, rotate the Scroll Bar to highlight the "PROG.Mix" menu choice and click the Scroll Bar. The default is for Mix
1 to mix the Spoiler (Throttle) to Elevator but to have the mix value at zero (inhibited) and for the Mix 2 to be inhibited.
Programmable mixes enable any channel to be mixed to any channel (including itself!). When a channel is mixed with itself,
a positive mix value increases the effective servo movement while a negative mix value decreases the effective movement.
Where two servos are used to perform a particular function, the mix can be to the function rather than to an individual
servo. Mix values between
±
100% can be set for each of the 7 setting points (0 to 6) and the transition between the setting
points can be linear or smoothed with the exponential feature. A graphical representation of the resultant mix response is
displayed on the screen with a vertical cursor indicating the position of the Master channel.
Summary of Contents for PCM9XII
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