NASA EML-2 Manual Download Page 7

Page 5

x

x

x

SIL

VER / NEG

RED / +

BLUE / NMEA

BLUE

RED

BLACK 

Fig 4

EM LOG

BLUE

BLUE

RED

BLACK 

SILVER

x

x

x

EM LOG

3 WAY CABLE

RED

x

x

x

SIL

VER / NEG

RED / +

BLUE / NMEA

Fig 5

CONNECTING TO THE NASA Marine Clipper EM or Target EM LOG 
displays.

The Clipper or Target EM log display can be connected directly to the interface box 
as shown in fig 4. Alternatively, if a longer length of cable is required, a three-way 
cable and terminal block is supplied and is connected as in fig 5. Further EM logs 
can be connected in parallel and function as independent repeaters. Do not 
attempt to extend the cable between the sensor and the interface box.

Summary of Contents for EML-2

Page 1: ...ELECTRO MAGNETIC LOG DESIGNED AND MANUFACTURED IN ENGLAND RoHS 2002 95 EC EML 2...

Page 2: ...TARGET EM DISPLAY DRILL TEMPLATE...

Page 3: ...ensor passes through the water it generates an alternating electric field whose amplitude is proportional to the boat s speed through the water This field is detected by small stainless electrodes on...

Page 4: ...chamfer around the hole sufficient to accommodate the 2mm radius on the skin fitting flange Now sand and clean the hole inside and outside to ensure the sealant will properly bond to the hull IMPORTAN...

Page 5: ...e until the sealant has cured It is recommended that the area around the skin fitting is thoroughly cleaned and the whole assembly be fibre glassed into the hull as shown in fig 2 ensuring that the to...

Page 6: ...r cable to appropriate terminals on the interface box as shown in fig 3 Plug in the power cable and connect it to a 12 volt DC power source The red wire is positive and the wire with the black stripe...

Page 7: ...EM LOG displays The Clipper or Target EM log display can be connected directly to the interface box as shown in fig 4 Alternatively if a longer length of cable is required a three way cable and termi...

Page 8: ...distance travelled in nautical miles since the unit was turned on Pressing TOTAL shows the cumulative distance in nautical miles Note for clarity the units of 1000nm are displayed at the top left of...

Page 9: ...A Speed Range 0 2 40 knots Transducer cable length 5 0 metres USING THE TARGET EM LOG A brief press on the SPEED key will turn the backlight on or off A brief press on the TRIP key will display the tr...

Page 10: ...NOTES...

Page 11: ......

Page 12: ...discretion repair or replace any components which fail in normal use within the warranty period Such repairs or replacements will be made at no charge to the customer for parts and labour The customer...

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