MR8740、MR8741_user_manual_eng_20191016H.pdf - 第391页
18.4 Self-Test (Self Diagnostics) 379 Chapter 18 Maintenance and Service 14 18 This check tests the conditi on of the display screen. The list of installed options and ot her syst em information appears in a se parate wi…

18.4 Self-Test (Self Diagnostics)
378
The following self-test checks are available.
This check tests the instrument's internal memory (ROM and RAM).
18.4 Self-Test (Self Diagnostics)
Check the instrument's internal memory (ROM and RAM). The results are
displayed on the screen. (p.378)
The instrument does not support the use of a printer. Clicking this has no effect.
Check the screen display (color check, gradation check). (p.379)
The instrument does not support the use of keys. Clicking this has no effect.
Check the system configuration. (p.379)
Procedure
To open the screen: Right-click and select [SYSTEM] [Init] sheet
18.4.1 ROM/RAM Check
1
Move the flashing cursor to the [ROM/RAM Check] item.
2
Select [Exec].
The ROM/RAM check starts.
The following checks are performed in the sequence shown.
Program ROM
Address busBackup RAMWork RAM
Video RAMStorage RAM
Do not turn the power off during the check.
The judgment results appear when the check finishes.
OK: Normal
NG: Error
If "NG" appears, ask to have the instrument repaired.
Click the mouse to return to the previous screen.
• Performing a ROM/RAM check will cause measurement data to be erased.
Save the measurement data to other media before performing the ROM/RAM
check.
• A ROM/RAM check cannot be stopped part way through.

18.4 Self-Test (Self Diagnostics)
379
Chapter 18 Maintenance and Service
14
18
This check tests the condition of the display screen.
The list of installed options and other system information appears in a separate window.
Procedure (Common for Display Check, System Configuration Check)
To open the screen: Right-click and select [SYSTEM] [Init] sheet
18.4.2 Display Check
1
Move the flashing cursor to the [Display Check] item.
2
Select [Exec].
A red screen appears.
3
Check the condition of the display.
Left-click the mouse to change the screen.
The original screen reappears
If the display screen seems ab-
normal, request repairs.
Screen Changes
Color check (Red, Green, Blue,
Black, White) Gradiation
check (Red, Green, Blue, Black,
White) Color patternOriginal
screen.
18.4.3 System Configuration Check
Currently selected
interface
1
Move the flashing cursor to the [System Information] item.
2
Select [Exec].
The System Configuration List appears.
To reappear the original screen:
Left-click the mouse.
Model number, name,
resolution and sampling
rate of each installed
module (unit)
Firmware version no.
Board revision no.
FPGA version no.
Internal memory
capacity

18.5 Updating the Instrument
380
Each of block I and block II need to be updated for MR8740. The version update file is the same for
both block I and block II.
18.5 Updating the Instrument
1
Right-click to display the list menu, and then click [FILE] to open the File screen.
2
Double-click the MR8740/MR8741 version update file in the list.
3
When the file information appears, check the information and then click [Exec] to start the
version update.
Once you start the update, do not turn the power off until it is finished.
* A version update file is indicated with the icon.
* If you cannot find a version update file, refer to the next page.
Click [Exec] to start the
version update.
File information