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2-l. ACCESSORIES
The following accessory items are included with the
unit.
Instruction manual ......................... .l copy
Fuse 2A (AC)
............................... .2 pieces
7A (DC) ............................... .2 pieces
Foot (with screws) ......................... .2 pieces
Speaker plug ................................. .l piece
DIN
plug
....................................... .l piece
AC power cord
.............................. .l piece
DC power cord
.............................. .l piece
Microphone .................................. .l piece
2-2. OPERATING LOCATION
As with any solid state equipment, the TS-780 should
be kept from extremes of heat and humidity. Choose an
operating location that is dry and cool, and avoid operating
the unit in direct sunlight.
2-3. CABLING FOR ANTENNA, POWER SUPPLY AND OTHERS
1
I
Check for correct
polarity
430 MHz
144 MHz
L-
Ground
To prevent electric shock, TVI and BCI,
select a good grounding location: Con-
nect the unit to the ground using a heavy
earth
line
and an appropriate earthing rod.
The earth
line
should be as short as possi-
ble
Connection of electric key
.
Key
For CW Operation, connect
the key through a phone plug.
Use shielded cable.
Extemal speaker
A speaker is included in the unit.
If
you
wish to use an extemal speaker, connect
it by using the supplied speaker plug. A
communication-use (lowlhigh cut typel
speaker rated at 4-B ohms is recom-
mended. The Option speaker (SP-71) is
designed to perfectly match the chara-
cteristics of the TS-780. Plugging in an
external
speaker will automatically
disconnect the built-in speaker. DO not
connect the speaker to the PHONES jack,
as this jack has a level adjusting resistor.
Extemal speaker
SP-71
A
Connection of speaker plug
When connecting an extemal speaker, be
type and should be as short as possible to
prevent RF from being induced.
Power supply connection
The power cord has a 4P
plug
with a lock-
ing tab. When connecting the
Cord,
squeeze the locking tab to ensure that it
properly fits in place. To disconnect the
Cord, squeeze the locking tab again until
if is released from the locked Position.
Power supply
The unit is designed to operate
on
AC
(220
V) or DC (13.8 V). Swit-
ching between AC and DC is accomplished by replacing the power cord
(DC power cord is optional.) When connecting the power
Cord,
be sure
to observe the following Points:
1. Turn off the power switch and set the standby switch to REC posi-
tion.
2. When replacing the power
Cord,
disconnect it from the AC supply
(or
battery) with care.
Failure to observe the above procedure might result in electric shock or
darnage to the
unit.