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A ·-
N -·
B -···
O ---
C -·-·
P ·--·
D –..
Q --·-
E ·
R -·-
F ··-·
S ···
G --·
T -
H ····
U ··-
I ··
V ···-
J ·---
W ·--
K -·-
X -··-
L ·-··
Y -·--
M --
Z --··
1 ·----
2 ··---
3 ···--
4 ····-
5 ·····
6 -····
7 --···
8 ---··
9 ----·
0 -----
AUDIO NOTE
The frequency of the audio tone can be altered if desired
by adjusting the preset potentiometer labelled 'NOTE' on
the printed circuit board. To open proceed as described
under "battery replacement".
BATTERY REPLACEMENT
When Morse Tutor produces all dots or all dashes the
battery should be replaced.
First switch off the unit. Then remove the top two screws
on both front and rear panel and lift off the upper half of
the case. The battery can then be replaced. Take care to
observe the correct polarity. WARNING: When replacing
the panel screws take care not to strip the threads by
overtightening.
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