XX 
9.8.17  Setting information in a DGPS receiver································································178 
1.  Setting a DPGS mode [MENU] ·······································································178 
2.  Setting a frequency used by a beacon station [MENU] ··································178 
3.  Setting a baud rate for communication with a beacon station [MENU]··········178 
4.  Setting a DPGS mode [MENU] ·······································································179 
5.  Sending updated setting values [MENU] ························································179 
9.8.18  Setting information in a WAAS receiver································································180 
1.  Setting a WAAS mode [MENU] ·······································································180 
2.  Setting a position fixing satellite [MENU]·························································180 
3.  Setting information whether a prohibited satellite can be used [MENU] ········180 
4.  Setting a satellite number [MENU] ··································································181 
5.  Sending updated setting values [MENU] ························································181 
9.8.19  Displaying GPS receiving status···········································································182 
9.8.20 Initializing ATA [MENU] ·························································································182 
9.8.21  Setting a course data input type [MENU] ·····························································183 
9.8.22  Setting manual course data [MENU] ····································································184 
9.8.23  Setting a speed data input type [MENU] ······························································184 
9.8.24  Setting manual speed data [MENU] ·····································································185 
9.8.25  Setting own ship's position input selection [MENU] ·············································185 
9.8.26  Setting own ship's position input [MENU]·····························································186 
9.8.27  Setting a compass input baud rate [MENU] ·························································186 
9.8.28  Setting connection of the 2nd keyboard [MENU] ·················································187 
9.8.29  Setting a NMEA data output frequency [MENU] ··················································187 
9.8.30  Setting selection of a magnetic azimuth sensor correction value [MENU]··········188 
9.8.31  Setting manual data for a compass correction value [MENU] ·····························189 
9.8.32  Setting a PC output baud rate [MENU]·································································189 
9.8.33  Setting a keyboard port baud rate [MENU] ··························································189 
9.8.34  Setting a display direction of the indicator [MENU] ··············································190 
9.8.35  Setting a display timing of the indicator [MENU] ··················································190 
9.8.36  Setting reading/writing setting values to non-initialization memory [MENU]········191 
9.8.37  Initializing a menu storage area [MENU]······························································192 
9.8.38  Displaying simulator images ·················································································192 
9.8.39 Special mode·········································································································193 
9.9  Resetting Adjustments to the Initial State ··········································································194 
9.10 Maintenance·······················································································································195 
9.10.1 General maintenance····························································································195 
1. Cleaning the equipment···················································································195 
2.  Checking the tightening of screws···································································195 
3. Checking connections······················································································195 
9.10.2 Scanner unit ··········································································································196 
1. Radiation section······························································································196 
2.  Rotation driving section····················································································197 
9.10.3 Display···················································································································198 
Cleaning display ····································································································198