Icom IC-78 Support and Manuals
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Adio Setting Ssb Mode What Must I Do
for beter audio in ssb mode what can ido
for beter audio in ssb mode what can ido
(Posted by ronalf 8 years ago)
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Popular Icom IC-78 Manual Pages
Instruction Manual - Page 1
Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. INSTRUCTION MANUAL
HF TRANSCEIVER
i78
This device complies with Part 15 of the FCC rules.
Instruction Manual - Page 2
... as a 24 V
battery, to the IC-78 may occur. AVOID using or placing the transceiver in an electric shock or burn. This could cause a fire or ruin the transceiver. The heatsink will obstruct heat dissipation. This
manual contains important safety and operating instructions for long periods.
AVOID placing the transceiver in excessively dusty environments or in...
Instruction Manual - Page 10
...CAUTION: Protect your transceiver from TV sets, TV antenna elements, radios and other problems, ground the transceiver through the GROUND terminal on and solder it. PL-259 CONNECTOR INSTALLATION EXAMPLE
q
Coupling ...manual. Of course, the transmission line should be increased out-of accessory equipment included with output power and sensitivity. Soft solder the center conductor. The IC-78...
Instruction Manual - Page 12
...V
when you use a non-Icom power supply.
• DC power...ICOM DC POWER SUPPLY
DC power supply AC outlet
DC power socket
13.8 V 20 A _+
_ black
Supplied
+ red
DC power cable 20 A fuses
AC cable
CONNECTING A VEHICLE BATTERY
Grommet
NEVER connect to the diagrams below. 3 INSTALLATION AND CONNECTIONS
s Power supply connections
Use an optional PS-85 DC POWER SUPPLY when operating the IC-78...
Instruction Manual - Page 17
...the received signal is in a different mode. Note: The selected mode can be received.
• When set as [SQL] control. S-meter squelch threshold
RF gain adjustable range
S-meter squelch
rS (RF/SQL)
RF... OPERATION
s Basic voice receive and transmit
q Check the following modes are available in the IC-78: SSB (LSB/USB), CW, CW REV (CW reverse), RTTY, RTTY REV (RTTY reverse) and AM.
¯ ...
Instruction Manual - Page 19
...VOX" in quick set mode.
• Push [∫ UP]/[√ DN] one or more times to select "AN VOX" u If the receive audio from the speaker switches the
transceiver to transmit during...transmitted voice may be distorted.
• "COM" indicator appears. 4 OPERATION
ï Microphone compressor
IC-78 has a built-in quick set mode.
• Push [∫ UP]/[√ DN] to select "VOX". gain. (p.16...
Instruction Manual - Page 20
...
The AT-120, AT-130 or AH-4 matches the IC-78 to a long wire antenna more than 7 m (23 ft) long (3.5 MHz and above). • See p. 11 for 1 sec.
even slightly.
• Tuner type setting (p. 32) q Push [PWR] for connection. • See the connected antenna tuner's instruction man- the indicator
goes out)
• When the...
Instruction Manual - Page 34
... rate is on.
• CI-V 731 mode
When connecting the IC-78 to the IC-735 for straight key use) • ud : For using the microphone's [UP]/[DN] keys instead of programmable memory channels from 1 to other Icom HF transceivers or receivers. The default is automatically set mode items- (continued)
• Key type
Selects the CW paddle...
Instruction Manual - Page 35
.... (p. 22) This item appears only when the Expand Filter, as above, is installed, this selection is necessary, otherwise the filters cannot be selected. s Initial set mode items- (continued)
• OPTION Filter
When an optional IF filer is installed, this selection expands filter and filter selection (W/N) key combination in operating...
Instruction Manual - Page 36
...comment cannot be indicated. [FC]
D Tuning
The transceiver has several ways of the IC-78.
6 EXTRA FEATURES
s INTRODUCTION
Extra features, explained in the quick set mode. (p. 30) This is the most convenient...only when 1 Hz tuning step is set the transmit frequency, after the receive frequency is selected.
Changing digit; Therefore, the instructions in this section, are not necessary...
Instruction Manual - Page 39
... MOUNTING BRACKET is approx. 3.80kg. Select an area to install the radio under a table, on the transceiver. D Carrying handle
An optional handle allows you want to install an optional unit or adjust an internal unit, etc. CAUTION: DISCONNECT the DC power cable
from the IC-78 before performing any work on a wall, in mind that...
Instruction Manual - Page 40
...;lter for your operating needs. (pgs, 21, 22)
D Installation
q Remove the bottom cover as shown in the diagram at C16 using initial set mode. (p. 33) Otherwise, the installed filter will be improved. s Optional IF filters
Several IF filters are available for the IC-78. e Install the desired 455 KHz filter as shown on...
Instruction Manual - Page 42
... the source of fuses installed for transceiver protection. • DC power cable fuses FGB 20 A • Circuitry fuse FGB 4 A
DC POWER CABLE FUSE REPLACEMENT
20 A fuse
CIRCUITRY FUSE REPLACEMENT The 13.8 V DC from the transceiver when changing a fuse.
PA unit
FGB 4 A
s Resetting the CPU
[PWR]
[√] [∫]
Returns programmed values in the IC-78 through the circuitry...
Instruction Manual - Page 43
...-232C port. The Icom Communications Interface-V (CI-V) controls the following data formats.
A data area or sub command is added for setting the CI-V condition using set mode.
• Data format
The CI-V system can be operated using the following functions of message code (fixed)
41 See p. 32 for some commands. CONTROLLER TO IC-78 q wert
y
u
FE...
Instruction Manual - Page 44
....) can be copied to the other IC-78's [REMOTE] e While pushing [TXF] and [FC], turn the sub IC-78 power ON. r While pushing [SET] and [FC], turn the master IC78 power ON.
Daughter transceiver indication
• After cloning complete;
This function is useful when exactly the same setting of the master IC-78 to start ATT AF gain RF gain...
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