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(see above “CONFIGURATION MODE” section). To regulate the display and the backlight: hold
pushed the SPD/MACH button and rotates knobs as follow:
- Speed knob: change the display contrast.
- Heading knob: change the display brightness.
- V/S knob: change the backlight intensity.
The FCU keep the regulation in its working memory, data are saved in a non-volatile memory when the FCU
switch-off (data are not saved if the FCU power supply is disconnected during the normal running).
60,00°
Figure 3: display viewing angle
FCU320
6
CONFIGURATION MODE
FCU320 firmware provides an internal program mode to configure some preferences in the hardware
functionality. With the FCU in stand-by (powered and switched–off, Project Magenta/AST software not
running) push and hold the A/THR key for more than 1 second; this start the hardware in configuration mode.
This is the only way to access to the configuration mode; no PC software program is required to configure
the FCU320 hardware. In program mode only some keys are operating; the HDG, ALT and V/S display area
show the program title and option as following:
HDG display ALT display V/S display
Function to be settled Parameter Setting
A/THR key (push and hold for more than 1 second): enter the configuration mode
AP1 key: scroll to the next program menu.
AP2 key: toggle the preference setting (ON/OFF).
A/THR key: save changes and exit the configuration mode
Settings are saved in a non-volatile memory when you exit the configuration menu and the FCU go in standby.
Following a description of the menu available in Configuration Mode:
CONFIGURATION MENU HDG
display
ALT
display
V/S
display
BACKLIGHT CONTROL: allow to select how to manage the backlight
control. Setting this function to “OFF” (default) the backlight is related to
the status of FS NAV lights, so the backlight will light-up when the NAV
lights in FS are ON. Setting this function to “ON” the NAV lights status will
be ignored and the backlight can be controlled through the related
auxiliary input (Figure 2 G).
Note: this setting does not modify the backlight brightness, it select the
way to control this variable.
EbL Ctrl OFF/On
DISPLAY BRIGHTNESS CONTROL (advanced information): allow
selecting how to manage the display brightness. Setting this function to
“OFF” (default) the display brightness can be regulated during the normal
functioning as described above (see “ON-FLY DISPLAY BRIGHTNESS
AND BACKLIGHT REGULATION”). Setting this function to “ON” the
display brightness can be regulated through a potentiometer connected to
the 16 pole connector (future development).
Note: this setting does not modify the display brightness, it select the way
to control this variable.
dSP briG OFF/On
FAST INCREMENT: this menu allows setting the fast increment functions
to the knobs. Setting this function to “ON” (default) allows the value
increase/decrease to be amplified when knobs are rotated fast to rapidly
approach the desired value.
FFI --- OFF/On
SERIAL NUMBER: This menu displays the device serial number. It is a
read only location and is not modifiable. Sn xxxx xxx
FIRMWARE RELEASE: This menu displays the installed firmware
release. The number is not modifiable in this menu, but it is updated when
you load a new firmware in the FCU internal memory (see “FIRMWARE
UPDATE” section).
Rel xxxx xxx
COUNTER: This menu show the Hours of FCU running. It is a read only
location and is not modifiable.
Note: the “xxxxx” in the above menu act for the total Hours of FCU
running from 0 to 99999.
Cont H xx xxx
FCU320
7
EXPANSIONS
FCU320 comes provided with expansion capability through the DIN 5 pole auxiliary socket (Figure 2 “C”).
This allows you to connect and interface CPflight plug&play expansion modules (Future development).
WARNING! The use of auxiliary connectors (Figure 2 D and G) is intended for expertise users. To use
the external backlight regulation it is necessary to weld wires to the provided 2 pole pin strip and
connect these to your own switch or potentiometer. Do not attempt to connect anything different by
the following indications; do not connect anything coming from any external power, warranty does
not cover damages due to incorrect wiring of any external device.
EXTERNAL BACKLIGHT CONTROL (Figure 2 G)
External backlight control accepts input from steady position switch (ON/OFF) or potentiometer. Connecting
a potentiometer you can regulate the backlight brightness directly from this input. Note that the FCU
　
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