Ic Stuff Flashcards
Purpose of the em log?
Provide the speed of the ship
What circuit is designated for the em log
Circuit y
How many parts does the em log have
3
What are the parts of the em log
Rodmeter/pitsword
Indicator/transmitter
Sea valve
What’re the parts of the pitsword
Junction box
Sensing element
Rod weldment
How does the pitsword detect the speed of the ship
Emi/electromagnetic induction
How many volts does the signal voltage produce?
325 microvolts per knot
At what speed can the ship raise and lower the pitsword
Below 10 knots
What’re the 3 modes for the indicator/transmitter
Log mode
Dummy mode
Manual mode
Which mode is the normal underway mode for the em log
Log mode
Which mode is used when the pitsword is raised
Dummy mode
In dummy mode how is the speed entered
By the remote control unit in fwd eos
When do you use manual mode
When dummy and log mode don’t work
What is used to change between the three modes of op of the em log
Indicator/transmitter
What does the indicator/transmitter display besides the speed
Told nautical miles traveled