FUTABA 8UAFS - TRIM - Trim Settings; RSET - Trim Reset (TRIM Function Submenu); STEP - Trim Step (TRIM Function Submenu)

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The FP-8UAP has digital trims which are different from conventional mechanical trim
sliders. Each trim control is actually a two-direction switch. Each time the trim
switch is pressed, the trim is changed a selected amount. When you hold the trim
lever, the trim speed increases. The current trim position is graphically displayed on
the screen. The Trim function includes a number of submenus that are used to
manage the trim options. This may be better understood by viewing the menu
structure on p. 20.
To SUBTRM function
To MODEL function
"NEXT" indicates that there is
a group of submenus in the
TRIM function .
Select the desired function in
the TRIM submenu with the
(>) and (<) CURSOR keys.
Data input keys
These keys are used to move through submenus in the TRIM function.
TRIM functions:
• Trim Reset
• Trim Step Rate
• Trim Reverse Display
The Trim Reset function electronically centers the trims to their default values. Note
that the subtrim settings and the trim step rate are not reset by this command.
Resetting trims
To SUBTRM function
To MODEL function
If any trim is not centered, the
"RSET" flashes.
To Reset Trim, press the (+)
and (-) keys simultaneously.
When you do, "RSET" stops
flashing.
Data input keys
These keys are used to move through submenus in the TRIM function.
The Trim Step menu may be used to change the rate at which the trim moves when the
trim lever is activated. It may be set to a value ranging from 1 to 40 units, depending
on the characteristics of the aircraft. Most ordinary aircraft do well with their trim
step rate set to about 2 to 10 units.
To SUBTRM function
To MODEL function
Step rate
Range: 1 - 40
Factory setting: 4
SETTING TRIM STEP RATE
Use the (+) and (-) keys to set
the aileron trim step rate.
When done, select elevator
trim with the (>) key. Again
use the (+) and (-) keys to set
the elevator trim step rate
Data input keys
These keys are used to move through submenus in the TRIM function.
Channel being set
You can set the throttle and rudder trims in a similar
fashion. If you’re unhappy with your settings, you
may return to the default value by pressing the (+)
and (-) keys simultaneously.