Furuno MU 231CE User Manual

MONITOR UNIT MU-201CE/MU-231CE  
OPERATOR'S MANUAL  
This manual describes only the key operations of the monitor unit MU-210CE/MU-231CE.  
For other details, refer to the installation manual and operator’s manual of the ECDIS/radar.  
1. Overview  
When the monitor unit MU-201CE or MU-231CE is connected to a radar/ECDIS  
with an RS-232C cable, the keys on the panel are locked, so independent  
operation of the keys is not possible. Brilliance is controlled from ECDIS/radar.  
Key function under lock condition  
Simultaneous pressing of Lock and Menu keys: Opens/closes the menu.  
Simultaneous pressing of Lock and Input keys: Choose an input signal.  
Simultaneous pressing of Lock and  
keys: Turns the power on or off. To  
turn it off, press more than five seconds.  
The keys are unlocked with menu operation. See “Keypad lock” on page 6. The  
key functions under unlocked condition are as follows.  
key: Turns the power on or off. To turn the power off, press it more than  
five seconds.  
+ and -: Adjusts the screen brilliance when no menu displayed. With menu  
displayed, these choose an item from the menu.  
Input:  
Menu: Opens or closes menu.  
Enter: Confirms menu setting.  
Chooses input signal to display (when no menu is displayed).  
LED  
Lock  
Menu Enter Input  
-
+
Operation Panel  
LED lamp: lights when the monitor unit is turned on.  
1
3. Menu Functions  
This section of the manual describes each function of each menu in detail. Each  
paragraph represents a given menu. On the left, an image shows all items that  
can appear in that menu, while on the right an item by item description is given,  
in the same order as shown at the screen. Each paragraph is named after the  
menu it represents, and the icon for that menu is shown near the menu name.  
Please note that the numeric values shown in the boxes are meaningless and do  
not represent values that are meant to be valid. When using the equipment, the  
GUI will allow or disallow some values to be entered depending on the current  
conditions.  
Also note that no item is shown as selected. Although every possible item is  
shown in the images, not all of them may be shown on the equipment's GUI  
when using it, because each item is shown only if certain conditions are met.  
Information menu  
Input resolution  
This box shows details of the signal that is currently  
displayed. The values shown are: horizontal  
resolution (pixels), vertical resolution (pixels) and  
vertical refresh frequency (Hz). The content of this  
box cannot be changed.  
Detected mode  
The value displayed in this box cannot be changed  
and informs the user about the numeric identifier  
associated with the signal displayed. This is useful  
to establish if two given input signals have identical  
parameters or not.  
Firmware version  
This box cannot be selected, and its value cannot  
be changed. It informs the user about the version of  
the firmware programmed into the monitor.  
3
Main window image settings  
Backlight  
Adjust the intensity of the backlight of the display.  
This is automatically adjusted by radar/ECDIS.  
LED level  
Adjust the intensity of the LED on the front panel.  
Brightness  
Make the picture brighter or darker.  
Contrast  
View dark details on dark backgrounds. This setting  
should be adjusted after the brightness so as to  
make the white color as bright as possible without  
interfering with grays.  
Sharpness  
Make the picture more or less detailed. More  
detailed pictures are clearer but introduce some  
picture noise, while less detailed pictures are  
slightly blurred but have reduced noise.  
Gamma correction  
Choose the chromatic response of the display. In  
particular, "linear" should be used with flat panel  
LCD displays.  
Color temp  
Make the picture warmer or colder by changing the  
white temperature. The value is expressed in  
Kelvin.  
Red, green and blue temp  
Change the quantity of red, green and blue that the  
image contains.  
Scaling mode  
Choose how to view signals with an aspect ratio  
different from that of the display. The "one to one"  
mode displays the signal without scaling. The "fill  
all" mode stretches the picture so the whole screen  
gets filled; this may make the picture squashed or  
stretched. The "fill to aspect ratio" mode makes the  
input signal fill the screen but without squashing or  
stretching, maintaining the aspect ratio of the input  
signal. Use the default setting.  
After installation or execution of Factory defaults (page 6), set the brightness,  
contrast, and red/green/blue temperatures as follows.  
MU-201CE  
Brightness  
Contrast  
MU-231CE  
Brightness  
Contrast  
43%  
60%  
50%  
43%  
55%  
50%  
Red temp  
Red temp  
Green temp 67%  
Blue temp 65%  
Green temp 67%  
Blue temp  
65%  
4
General monitor settings  
Freeze frame  
This function, when activated, freezes the image  
on the screen, disregarding the input signal until  
deactivated.  
Source information  
This setting allows the user to disable the source  
information that appears on the upper left hand  
corner each time a source is detected or Input  
key is pressed. Always use On state.  
OSD timeout  
Choose how much time the GUI will remain  
displayed on the screen when no control is being  
used. When the user is not touching the monitor  
controls, this timer will, after the selected period of  
time, remove the GUI from the screen.  
Logo timeout  
Choose how much time the logo will remain on  
the screen when the display is powered. The  
"Disabled" option will make the display skip the  
logo display at start up.  
Monitor timeout  
Choose how much time the monitor will remain  
powered when the user is not touching its  
controls. The "Disabled" setting disables this  
feature. After the selected time has passed and  
the user has not touched the monitor controls, it  
will automatically power off. Set to "Disabled" for  
radar/ECDIS.  
Monitor address  
Choose to which address the monitor should  
respond when ECDIS commands are detected  
over the serial link.  
Serial mode  
Choose what kind of serial bus is connected to  
the monitor. Use the default setting (RS 232).  
Monitor to monitor  
Choose whether the display initiates an ECDIS  
transmission towards the other displays  
connected to it when the user tries to adjust the  
backlight level. In "Slave" mode, the monitor  
never initiates ECDIS transmissions on its own. In  
"Master" mode, the monitor issues an ECDIS  
command over the serial link each time the  
backlight is changed. This function is only  
available if serial mode is set to 422 or 485.  
5
Keypad lock  
Set whether the keypad is locked or not. When  
locked, the keypad does not answer to user  
commands, unless the LOCK key is pressed  
together with a desired key. If the monitor is  
connected to radar/ECDIS with an RS-232C  
cable, Off returns to On after turning the power off  
and then on.  
Serial protocol  
Choose how the equipment will respond to  
ECDIS commands. In Standard ECDIS mode, the  
equipment will be compliant with the ECDIS  
specification, while in ISIC ECDIS mode the  
values are transmitted in decimal representation  
and are scaled to a percentage range.  
OSD Position  
Choose if the On Screen Display is shown on the  
right or left side of the monitor.  
User preferences  
Factory defaults  
This function provides a reset of the monitor  
to the factory defaults. By activating this  
function, all settings made by the user will be  
lost and the monitor will be brought back to  
known operating conditions.  
Setup selection  
This setting allows the user to select which  
user slot to handle with the Save monitor  
setup and Recall monitor setup keys.  
Save monitor setup  
This function allows the user to save all  
important current settings to a memory for  
later recall. There are three slots available;  
which one is used to store the settings  
depends on the Setup selection menu item.  
Saving settings in a slot that contains  
previous settings will overwrite the old  
settings to store the new ones.  
Recall monitor setup  
This function allows the user to recall the  
settings stored with the Save monitor setup  
push key. Which setting is recalled depends  
on the Setup selection menu item.  
6
Input selection  
Source  
Choose the input source for the main  
screen. As soon as a change is made  
here, the corresponding input will be  
selected and activated for display on the  
main screen. To change the active source  
for the PIP window, use the PIP menu.  
Source enable items  
These menu items allow the user to  
disable some sources. When a source is  
disabled (set to Off), it cannot be selected  
by means of the Input key on the  
monitor's keypad.  
7
Main screen acquisition settings  
This menu is available when PIP is set to ON.  
(See next page.)  
Mode selection  
Choose a memory slot in which to store  
display parameters for a given input signal.  
Once stored in a memory slot, the settings for  
the current input signal can be modified at will,  
and they will be reapplied when the same  
source is detected again.  
Mode details  
This box shows what's inside the memory slot  
selected with the Mode selection setting.  
Load current mode  
This stores the settings detected by the image  
processor for the current signal in the memory  
slot selected with the Mode selection setting.  
Once the detected parameters have been  
stored in memory, they can be edited by the  
user with the controls described below.  
Clear  
Press this key to delete the contents of the  
selected memory slot. Once the content of a  
given slot has been deleted, it is lost and  
cannot be retrieved.  
H. total  
Adjust the frequency of the clock signal used  
to drive the analog to digital converter that  
samples the input signal.  
Phase  
Adjust the phase of the clock used to drive the  
analog to digital converter that samples the  
input signal.  
H. res. and V. res.  
By means of this setting, the user is able to  
force the image processor into detecting the  
current signal with a given horizontal or  
vertical resolution.  
H. pos. and V. pos  
These two settings allow the user to move the  
input signal around on the main screen, so it is  
displayed correctly in its entirety.  
8

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