JRC JLR-7500 - Troubleshooting guide

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GPS NAVIGATOR
PROGRAM UPDATE PROCEDURE

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1.1 Updating
The display unit program can be updated with the aid of an externally connected PC.
A PC and connection cable are necessary for updating the programs.
Before an update can be performed, the current setting values must be recorded.
(Enter the values into the lists at the end of this manual.)
Time Required for Program Rewriting
Unit
Required Time
Notes
NWZ-4740 Display Unit
About 7 minutes
For 115200 bps setting
About 13 minutes
For 57600 bps setting
About 20 minutes
For 38400 bps setting
Version Check Procedure
<1> Press to display the MAIN MENU.
<2> Select [7. VERSION] from the MAIN MENU.
<3> Hold down and together. The version details will be displayed.
Sample display of the JLR-7800
VERSION INFO Menu
* * *
* * *
*: Version information
*

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1.2 NWZ-4740 Display Unit Update Procedure
1. Preparation
1.1. Prepare the following:
PC
OS: Windows95 / 98 / NT / 2000 / XP / VISTA(Home Premium)
Available hard disk space required: 10MB or more
COM port: If the PC does not have a COM port, prepare a USB serial conversion adapter.
Dsub 9-pin straight cable (9-pin male connector - 9-pin female connector)
Update PC program (NWZ4740 FLASH 1.exe)
Update file (xxxxxx.bin)
1.2. Copy the update PC program (NWZ4740 FLASH 1.exe) and update file in the PC desktop.
1.3. Start the NWZ-4740.
1.4. Check the current software version of the NWZ-4740.
Version Check Procedure
1. Press to display the MAIN MENU.
2. Select [7. VERSION] in the MAIN MENU.
3. In the VERSION MENU, hold down and together. The version details will
be displayed following "R53.00."
1.5. Turn off the NWZ-4740.
1.6. Open the Dsub connector cover on the rear of the NWZ-4740.
(If a printer is connected, turn off the printer and disconnect the printer cable.)
1.7. Connect the NWZ-4740 and the PC COM port (RS-232C) with the Dsub 9-pin straight cable.
Connection Diagram
Dsub connector
PC with a COM port
(If there is no COM port, use a USB serial conversion adapter.)
NWZ-4740
Display Unit
PC
Dsub 9-pin straight cable
9-pin male connector - 9-pin
female connector
GPS/DGPS sensor
The sensor does not
need to be connected.

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2. Running the Update Program
2.1. Switch the NWZ-4740 to the maintenance mode.
To switch to the maintenance mode:
1. Press to display the MAIN MENU.
2. Hold down and together until [0. EQUIP SET] is displayed.
2.2. Select [8. SOFT UPDATE] in the EQUIP SET menu.
Select DISPLAY for [1. UPDATE AREA].
Specify a desired transfer speed for [2. BIT RATE].
(The specified speed must be supported by the PC connected.)
Select [3. UPDATE STANDBY], and press . (The unit will enter the program transfer
standby mode.)
2.3. If any other applications are in use on the PC, shut them down, then run the update PC
program (NWZ4740 FLASH1.exe).
Screen at the start of the update PC program

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2.4. Select Com Port , and then the connected COM port number and bit rate.
The same bit rate as the NWZ-4740 must be selected.
2.5. Click the 1. File select button and select the update file (xxxxxx.bin).
Check that the message "File select ok." is displayed in the Msg box.
Bit Rate Setting
COM Setting
File Name Display

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2.6. Click the 2. Load file button, and check that the message "The BIN file loading ok." is
displayed.
2.7. Click the 3. Write mode button, and check that the following is displayed instantly on the
NWZ4740 FLASH 1 screen.
2.8. Click the 4.Write start button to start updating the software.
The message "Now Upgrading..." will be displayed in the Msg box.
After about 5 seconds, check that the progress bar runs and the value displayed for "Percent"
increases from 0%.
-> $PJRCD,GP,02,GP,01,,22,01,0,0004000,*49
<- $PJRCD,GP,01,GP,02,,22,11,0,0004000,*48
<- C
After clicking 3. Write mode , "<- C" is displayed, and then click
4. Write start .
Caution

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2.9. Check that the progress bar reaches the end and 100% is displayed for "Percent," and that
the message "Upgrading succeeded" is displayed in the Msg box.
2.10. If "Upgrading succeeded" is not displayed or another message is displayed in the Msg box,
the update has failed, so try the update again.
2.11. Exit the update PC program (NWZ4740 FLASH 1.exe).
2.12. Turn off the NWZ-4740.
3. Performing Master Reset
3.1. Start the NWZ-4740, and activate the maintenance mode.
3.2. Select DISPLAY for [5. RESET] in the EQUIP SET menu, press .
3.3. The reset sector selection screen will be displayed. Select either of the options and
YES , and press .
If the reset sector is performed with "All" selected, all the data is reset to the factory setting.
4. Checking the Version
4.1. Check the software version according to the procedure in Section 1.4, and confirm that the
update is finished successfully.
4.2. Turn off the NWZ-4740.
4.3. Disconnect the Dsub cable from the NWZ-4740 maintenance port and the PC.
4.4. Put the cover on the maintenance port of the NWZ-4740.
(Connect the printer cable if necessary.)
Update is normally finished
when this message is
displayed.
Caution

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Appendix MEMO
MENU
SETTING
1.
DISPLAY
CONTRAST
1 2 3 4 5 6 7 8 9 10 11 12 13
DIMMER
MAXIMUM
1 2 3 4 5 6 7 8 9 10
TYPICAL
1 2 3 4 5 6 7 8 9 10
MINIMUM
1 2 3 4 5 6 7 8 9 10
CLICK SOUND
ON OFF
REVERSING MODE
NORMAL REVERSE1 REVERSE2
INPUT ASSIST
ON OFF
DISPLAY
SELECT
NAV
ON START OFF
PLOT1
ON START OFF
PLOT2
ON START OFF
PLOT3
ON START OFF
CDI
ON START OFF
GPS INFO
ON START OFF
WPT INFO
ON OFF
BEACON INFO
ON OFF
NAV ASSIST
ON OFF
2.
PLOT
WPT
MARK
EVENT
TRACK PERIOD
TIME : [min] [sec] / DIST : [NM]
TRACK
Dot Solid line Dotted line
LINE
Solid line Dotted line Broken line
VISIBLE /
INVISIBLE
WPT
ON OFF
WPT No.
ON OFF
MARK
ON OFF
EVENT
ON OFF
EVENT/MARK
NO.
ON OFF
TRACK
ON OFF
LINE
ON OFF
ARRAIVAL
CIRCLE
OFF ON LEG
XTD
OFF ON LEG
SCALE BAR
ON OFF
SYMBOL INFO
ON OFF
CURSOR INFO
ON OFF
GRID LINE
ON OFF
GRID LAT
ON OFF
GRID LON
ON OFF
CURSOR
LARGE MIDDLE SMALL
OWN CIRCLE
OFF ／[NM]
OWN VECTOR
OFF ／[min]

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MENU
SETTING
3.
WPT /
ROUTE
TRANSFER
WPT /
ROUTE
(LAN)
OUT
CONNECT
MULTICAST UNICAST BROADCAST
TO IP
PORT No.
FORMAT
SHARE Ver1.5 Ver2.1 Ver2.3 JRC
OUT
TYPE
ALL WPT ALL ROUTE ALL WPT+ROUTE
ROUTE ROUTE+WPT TRACK
EVENT/MARK
IN
FROM IP
DEFAULT
SETTINGS
WIDTH PORT
OFF ／[NM]
WIDTH STBD
OFF ／[NM]
ARRAIVAL RAD
OFF ／[NM]
SPEED
OFF ／[kn]
SAIL
GC RL
SOG
SMOOTHING
OFF ／[sec]
4.
ALARM
ARRIVAL / ANCHOR
OFF ARV ANC
XTD / BOUNDARY
OFF XTD BOUNDARY
DGPS
OFF ON→OFF OFF→ON ON⇔OFF
HDOP
OFF ／
TEMP
OFF OVER UNDER
IN RANGE OUT RANGE [℃]
DPTH
OFF OVER UNDER
IN RANGE OUT RANGE [m]
TRIP
OFF OVER [NM]
SPD
OFF OVER UNDER
IN RANGE OUT RANGE [kn]
ALARM
SOUND
SYSTEM
1 2 3
ARRIVAL / ANCHOR
OFF 1 2 3
XTD / BOUNDARY
OFF 1 2 3
DGPS
OFF 4 5 6
HDOP
OFF1 2 3 4 5 6
TEMP
OFF 1 2 3 4 5 6
DPTH
OFF 1 2 3 4 5 6
TRIP
OFF 1 2 3 4 5 6
SPEED
OFF 1 2 3 4 5 6
5.
SYSTEM
TIME DIFF
DATE DISP
‘YY-MM-DD DD MM,’YY MM DD,’YY
TIME DISP
24hr 12hr
DATUM
UNIT
DIST / SPEED
NM,kn km,km/h mi,mi/h
HIGHT / DEPTH
m ft fm
TEMPERATURE
℃゜F
MAG CORR
OFF MANUAL AUTO
SPEED METER
[kn]

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MENU
SETTING
6.
GPS /
BEACON /
SBAS
GPS MODE
AUTO GPS ALONE SBAS
BEACON
FIX MODE
AUTO 2D 3D
SAT ELV MASK
[°]
HDOP
4 10 20
SMOOTHING
POSITION
[sec]
SPEED
[sec]
COURSE
[sec]
RAIM ACCURACY LEVEL
OFF 10 30 50 100
GPS
INITIALIZATION
LATITUDE
LONGITUDE
ANT HEIGHT
[m]
BEACON /
SBAS
STATION
SELECT
AUTO MANUAL
FREQUENCY
[kHz]
BIT RATE
50 100 200
BEACON
INFORMATION
OFF ON
SBAS
SEARCH
AUTO MANUAL
TYPE 0
INFORMATION
OFF ON
RANGING
OFF ON
LORAN
LORAN A / C
OFF LORAN C LORAN A
LORAN C
GRI CHAIN :
TD1 : CORR : [us]
TD2 : CORR : [us]
LORAN A
STN1 : CORR : [us]
STN2 : CORR : [us]
7.
VERSION
SENSOR
SERIAL No.
BARCODE
VERSION
CONTROLLER
DISPLAY
SERIAL No.
BARCODE
VERSION
IP