viii 
5.2.8 Alarm History Display......................................................................5-9 
5.3 MAIN MENU....................................................................................... 5-11 
5.3.1 Display Settings ............................................................................5-12 
5.3.1.1 Adjusting the Contrast............................................................5-13 
5.3.1.2 Brightness Settings (DIMMER) ..............................................5-13 
5.3.1.3  Click Sound Settings (CLICK SOUND) ..................................5-13 
5.3.1.4  Display Reversing Setting (REVERSING MODE) ..................5-14 
5.3.2  Setting the Heading (HEADING)...................................................5-15 
5.3.3 GPS Configuration (GPS) .............................................................5-17 
5.3.3.1 Initial Settings (INITIALIZATION) ...........................................5-18 
5.3.4 SBAS Settings (SBAS) .................................................................5-19 
5.3.5 Beacon Settings (BEACON) .........................................................5-20 
5.3.6 System Settings ............................................................................5-21 
5.3.7  Data I/O Settings (DATA I/O).........................................................5-22 
5.3.8 Checking the Version ....................................................................5-24 
5.3.9 Others Settings .............................................................................5-25 
5.3.10 Language Settings (LANGUAGE).................................................5-26 
5.4 MAINTENANCE MENU......................................................................5-27 
5.4.1 Antenna Check .............................................................................5-28 
5.4.2 Input Check...................................................................................5-29 
5.4.3 Self-Diagnosis (DIAGNOSIS) .......................................................5-30 
5.4.4 Demo ............................................................................................5-33 
5.4.5 Product Type Settings...................................................................5-34 
5.4.6 Master Reset (RESET) .................................................................5-35 
5.4.7 Software Update (SOFT UPDATE) ...............................................5-36 
 
SECTION 6  MAINTENANCE AND INSPECTION ........................ 6-1 
6.1 GENERAL MAINTENANCE AND INSPECTION ..................................6-1 
6.2 ALARMS...............................................................................................6-2 
6.3 TROUBLESHOOTING .........................................................................6-3 
6.3.1 Troubleshooting ..............................................................................6-3 
6.3.2 Repair Unit......................................................................................6-4 
6.3.3 Regular Replacement Parts............................................................6-4 
 
SECTION 7  AFTER-SALES SERVICE ........................................ 7-1 
7.1 Warranty...............................................................................................7-1 
7.2  Repair Parts Stocking Period................................................................7-1 
7.3 When Requesting Service ....................................................................7-1 
7.4 Recommended Checks and Inspections ..............................................7-1 
 
SECTION 8  DISPOSAL................................................................ 8-1 
8.1 DISPOSAL OF THE EQUIPMENT .......................................................8-1 
8.2  DISPOSAL OF USED BATTERIES ......................................................8-1 
 
SECTION 9  SPECIFICATIONS.................................................... 9-1 
9.1 DISPLAY UNIT (NWZ-4700).................................................................9-1 
9.1.1 Panel...............................................................................................9-1 
9.1.2 Power Supply..................................................................................9-1 
9.1.3 Environment....................................................................................9-1 
9.1.4 Dimensions and Mass.....................................................................9-1