Japan Radio Co. JLR-7900, Instruction Manual

Page: 113 / 184

4-71
4.15.9.1 Checking the input port
Data that is received from the serial port can be displayed on a screen.
The serial port and display format (ASCII/BINARY) can be selected.
Data of the serial port that is set to output cannot be displayed.
1. Refer to "4.15.1 Change to a maintenance mode" and display a maintenance menu.
2. Select “MAINTENANCE” and “INPUT DATA” in this order by using and press .
An operation description screen is displayed as shown below.
3. To change the display format press . The format changes between ASCII and BINARY.
4. Select the port whose data is to be displayed by using and press . The received data
is displayed on the screen. To cancel the display press again.
During cancellation, the blinking of the
＊
mark is stopped.
To back to the operation description screen, press .
When no data is displayed, check the connection and the setting of the serial port.
4.15.9.2 Self-diagnosis
Self-diagnosis of the display unit can be performed and the result can be displayed.
The following items can be diagnosed.
1) ROM, RAM, and serial port of the display unit
2) Sensor (Only JLR-7900)
3) Monitor (LCD)
The entire screen is highlighted repeatedly such as black to white, white to black.
Check if some dots are omitted.
4) Buzzer sound
Checks if the buzzer sounds.
1. Refer to "4.15.1 Change to a maintenance mode" and display a maintenance menu.
2. Select “MAINTENANCE” and “DIAGNOIS” in this order by using
.
3. Select a diagnosis item by using and press . The diagnosis is executed and the result
is displayed.
If you wish to stop the monitor check, press .
Selected serial port
SCI[0]: Data IN/OUT1
SCI[1]: RS-485 port
SCI[2]: Sensor port
SCI[3]: Data IN/OUT2
SCI[6]: Data IN/OUT3
Selected display
format
Operation
description screen
Procedure
Procedure
Display
cancel mark ＊