MacGregor Industries
31 HELI
click on it to toggle between "0N" 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. To deactivate any switch selection and return the mix to
permanently on, select and click on "ON". When the required setting is achieved, highlight SW SELECT and click the
Scroll Bar to exit the sub menu.
Please note that ST3 and ST4 (Additional Flight Modes) switch selections will only
appear if F.MOD EXTRA has been activated in System Mode - DeviceSEL. The HLD (Throttle Hold) selection
will only appear when Throttle Hold is active.
Notice that when a switch/Flight Mode is selected to activate/deactivate the mix, the OUT position figures at the bottom
left of the screen are replaced with "OFF" as the activation switch is moved.
Switch Identification:
NRM
Flight Mode Normal.
ST1
Flight Mode 1.
ST2
Flight Mode 2.
ST3
Flight Mode 3. (Appears when F.MOD EXTRA has been activated in System Mode - DeviceSEL.)
ST4
Flight Mode 4. (Appears when F.MOD EXTRA has been activated in System Mode - DeviceSEL.)
HLD
Throttle Hold. (Appears when Throttle Hold has been activated.)
GER Gear.
To select an exponential (smoothed) curve,
highlight the OFF under EXP menu by rotating the Scroll Bar and click on
it to toggle between OFF and ON. Notice that the displayed graph changes to reflect the new condition.
To set a mix point value,
highlight the required point by rotating the Scroll Bar and click on it to bring up the sub menu.
The highlighting is surrounded by a box to indicate that it is selected. Rotate the Scroll Bar to alter the setting. When the
required setting is achieved, click the Scroll Bar to exit the sub menu. For mix points 0, 3 and 6, to return the figures to the
default of zero, press the clear (CLR) key at the left hand side of the screen. For mix points 1, 2, 4 and 5, the clear key
(CLR) at the left side of the screen returns the mix point to inhibited (INH). Notice that the displayed graph changes to
reflect the figures entered.
Note that an inhibited mix point plays no part in the mixing procedure. This is most noticeable when using the exponential
(EXP) feature to smooth the curve. To activate the inhibited mix points, click on them twice (once to activate and once to
exit). The "hidden" value will appear and the mix point will become active.
Press the LIST key to return to the Function Menu. Press the enter (ENT) key to return to the Information Display Screen.
Program Mixes 3 to 6.
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 the
mixes 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. Two different mix values may be set (Pos0 and Pos1) between
±
125% with individual values for each side of neutral.
The mix can be permanently active, or enabled and disabled by the Flight Modes and other switches. When the mix is
activated by a switch, the Pos1 values always take priority over the Pos0 values. If multiple switches are selected and one of
the switches is in the POS1 position, then all other switches are ignored and the Pos1 values are used.
An offset value between
±
200 may be programmed to re-define the neutral of the Slave channel (like a mix sub trim). Any
offset is included in the Slave movement and is only applied when the mix is active. A value of 200 corresponds to about
30% travel.
The channel providing the signal for the mix is known as the Master (Mast) channel and the channel being controlled is the
Slave (Slav) channel. When using the Throttle channel as the Master, any trim input is automatically passed to the Slave.
With all other channels, Master input channel trim movements are ignored.
Master channel modifiers (Travel Adjustments, Dual Rates etc.) are automatically passed to the Slave channel. As an
example, if the Master channel travel is reduced by 50% by the Dual Rate feature, the Slave now only moves by 50%. The
four primary channels have additional special Master mixes - the Origin mix (# mix), where all Master modifiers are ignored
and the Slave always moves by the same amount relative to the input stick or switch and the Trim mix (+ mix), where the
Master input trim is included in the Slave output.
Summary of Contents for PCM9XII
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