background image

Uncoil  the  cable  and  install  it  on  a  convenient  run 

to 

the  GPS 

receiver position. 

Refer to  Figures 

and 

2. 

Connect the  GPS 

Receiver's 

data 

cable  and power supply cables,  into 

the 

Repeater's 

way 

terminal  block.  Connect 

the 

12 

Volt ship's supply or  a 

12 

Volt 

battery 

to 

the 

terminal 

bl9ck as  shown 

in 

figures 

and 

2.

GETTING  OPERATIONAL 

Switch 

on 

the  GPS  receiver.  Refer to the  manufacture r's 

handbook, 

a

nd 

set  up 

the unit  to 

se

nd 

NMEA 

version 

2.0 

(or 

later 

v

ers

io

n)  at 

4800 

Baud.  When  the  GPS 

R

e

p

e

ate

r is 

powered 

on, 

the  words  Clipper  GPS  appear 

momentarily on 

the  screen.  Note  that  the  words 

are 

shown  in  a mixture  of 

U

pp

e

case  (capitals)  and  lower case 

characters. 

This  is 

because 

the  numerical  display  is  also  used to 

display 

text. 

The  International  Seven-bar  Substitution  Character 

Set 

(ISBSCS, 

u

s

u

a

l

l

shortened  to  ISCS)  is  u

s

e

to represent  the 

Upper-case 

alpha-numeric  characters  used  by 

most  GPS 

receivers, 

as  shown 

below. 

ABCDEFGHIJKLMNOPQR

R• 

•r r:•- u• 

1

-

1

 

- nnoo. 

OL  oc  runruCL "" '-'' 

,,-

STUVWXYZ 012345678 

9-

5

tr 

-

J-

-

U  IJ  U ..,  

'-''L 

Summary of Contents for GPS Repeater

Page 1: ...Speed ov r ground t _ t 1 I l f f L LI I Track L0lPlP fl GPS REPEATER ...

Page 2: ...TION 1 INSTALl JNG THE DISPL AY 1 INSTALLATION DIAGRAMS 2 3 GETTING OPERATIONAL 4 USING THE REPEATER 5 UStNG THE ROADWAY DISPLAY 6 ROADWAY DISPLAYS 7 TECHNICAL INFORMATION 8 TROUBLE SHOOTING Inside back cover back cover ...

Page 3: ...rom the rear of the instrument and remove the stainless steel clamping bracket Fit the O ring seal into the groove in the panel mounting face of the instrument Ensure that it is correctly lying in its groove before fitting the instrument to the panel which provides the watertight seal for the display F t the instrument into the panel fit the stainless clamp over the studs fit and tighten the two w...

Page 4: ...GPS RECEIVER NMEA OUTPUT or If it exists it s usually labelled NMEA OUTPUT ve or NMEA OUTPUT REF If not then the reference is internally connected to ground and can be ignored Figure 1 2 ...

Page 5: ... L IPPEr GPS J b ve 12Volt SUPPLY Figure 2 3 ve ...

Page 6: ...to send NMEA version 2 0 or later version at 4800 Baud When the GPS Repeater is powered on the words Clipper GPS appear momentarily on the screen Note that the words are shown in a mixture of Upper case capitals and lower case characters This is because the numerical display is also used to display text The International Seven bar Substitution Character Set ISBSCS usually shortened to ISCS is used...

Page 7: ...waypoint is selected on the receiver this is usually all the data available to the repeater Select a waypoint a destination on the GPS receiver and press STEER The repeater will show the Speed over the ground SOG screen This screen shows the road the speed over the ground the course made good track and distance and bearing to the waypoint A second press of STEER shows the cross track error CTE scr...

Page 8: ...iver If the cross track CTE is being displayed the cross track error includes a Left L or Right r indication which indicates the direction to steer to rejoin the desired track between departure and destination waypoints The roadway display always shows the best direction to turn even if the vessel is moving away from the destination waypoint and see above If the vessel is going away from the desti...

Page 9: ...ring to destination fllrl Steer left Steer right Track 6 off bearing to destination f J27 S s Steer left Steer right Track 9 off bearing to destination fllrl Steer left Steer right Track 12 off bearing to destination Steer left Steer right Track 15 off bearing to destination S s f J27 7 ...

Page 10: ...osition POSN is requested and none is available from the GPS No G PS POSN is displayed If no Cross track Error or Speed over Ground information is available appropriate messages are shown The Repeater always displays magnetic bearings using the magnetic offset sent by the GPS receiver If true bearings are wanted on the Repeater it is necessary to set the GPS Receiver to Magnetic and set the magnet...

Page 11: ...ceiver version 2 0 or higher at 4800 Baud Repeater lNot getting NMEA I Check GPS Receiver is reports NO from the GPS 1on and has acquired GPS Signal Receiver lock Check ccnnections Repeater No Waypoint Select waypoint shows No selected on GPS l GPS DEST Receiver i or No GPS I SOG or No I GPS GTE I Repeater Receiver still Wait for acquisition shows No acquiring position I GPS POSN Information on Th...

Page 12: ...rent on the Repeater nautical miles etc The Receiver is not set to magnetic Left and Right Difference in symbols are convention Some reversed receivers show I direction TO desired track others show your position RELATIVE to desired track Set the Receiver to read Magnetic bearings If true readings are desired set Receiver to magnetic and set zero magnetic deviation Remember the I convention in use ...

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