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Flashing Lights Signals Study II

This exercise will test you on flashing a light signal to a corresponding letter.

- Press the Light button once to open the signal light.
- Press the Light button again to close the signal light.
- You will need to time the light to transmit "." and "-"
  (1/3 second for "." and 1 second for "-").
- A pause of 2 seconds will create a break in the signals.

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Morse Code Key

A = .-
B = -...
C = -.-.
D = -..
E = .
F = ..-.
G = --.
H = ....
I = ..
J = .---
K = -.-
L = .-..
M = --

N = -.
O = ---
P = .--.
Q = --.-
R = .=.
S = ...
T = -
U = ..-
V = ...-
W = .--
X = -..-
Y = -.--
Z = --..

1 = .----
2 = ..---
3 = ...--
4 = ....-
5 = .....
6 = -....
7 = --...
8 = ---..
9 = ----.
0 = -----
Space = /

Technical Support

If you experience any technical difficulties or problems operating the HALO° simulator exercises, be sure to email techsupport@northeastmaritime.com or call +1 (508) 992-4025 (8am - 5pm EST) and we will get back to you within 24 working hours.

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