Icom IC-78 Support Question
Icom IC-78 Support Question
Find answers below for this question about Icom IC-78.Need a Icom IC-78 manual? We have 1 online manual for this item!
Question posted by ronalf on March 14th, 2016
Adio Setting Ssb Mode What Must I Do
for beter audio in ssb mode what can ido
Current Answers
Related Icom IC-78 Manual Pages
Instruction Manual - Page 5
...) • Cancel the distress alarm tone emission, or distress alarm transmission. ¯ Selects the tuning step item in the quick set mode. (p. 28) ¯ Push to change the meter function; (p. 16) • PO: indicates the relative RF output power.... 13) ¯ [TXF] - Selects a space and changes the editing digit during SSB mode to change an operating mode. •Push [MODE] for 1 sec.
Instruction Manual - Page 6
... set mode. ¯ "F-BK" appears when the full break-in function activates in CW mode. (p. 23) ¯"VOX" appears when the VOX function is selected in quick set mode....connected automatic tuner is paused. w RECEIVE INDICATOR Appears while receiving a signal or when the squelch is in SSB mode. ¯ "SCAN" appears during VFO operation.
2 PANEL DESCRIPTION
s Function display
q w e r t y
...
Instruction Manual - Page 10
... interference (TVI), broadcast interference (BCI) and other electro-magnetic sources. 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.
The IC-78 has an SWR meter to a gas or electric pipe, since the connection could cause an explosion...
Instruction Manual - Page 15
...channel number, or when changing large a number of channels can be restricted in initial set mode (p. 32) depending on the front panel or the microphone to suit your needs. D... up/down switches Push [√ DN]/[UP ∫] on your operating style. This is the most useful way of channels.
• When a duplex channel (different frequencies between transmit and receive) is selected, " "...
Instruction Manual - Page 17
... 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.
¯ Push [MODE] to the desired audio level when receiving... RF/SQL item in initial set mode (p. 31).
• [RF/SQL] control priority
Set mode setting SSB, CW, RTTY
AM
• When set to 2 sec.
Note: The selected mode can be used to adjust...
Instruction Manual - Page 18
... the main dial to select the desired output.
• Output power is displayed in 101 steps (L, 1-99 and H)
but is set mode.
SWR Indicates the SWR over 30 W. q Select SSB or AM mode.
r Adjust the mic gain while speaking into the micro- ALC zone
ï Meter function
The bar meter in this range.
16...
Instruction Manual - Page 19
...64257;rm the ALC level. • Push [SET] to turn VOX function ON. 4 OPERATION
ï Microphone compressor
IC-78 has a built-in quick set mode.
• Push [SET] for 1 sec.
ALC zone Adjust [MIC ...quick set mode.
17 q Select USB or LSB mode.
t Select "VOX DELY" in quick set mode.
• Push [∫ UP]/[√ DN] one or more times to select "AN VOX" u If the receive audio from...
Instruction Manual - Page 20
...setting (p. 32) q Push [PWR] for installation and antenna connection details.
• Setting example: For mobile operation
Optional AH-2b antenna element
For outdoor operation Long wire
AT-120 AT-130 AH-4
IC-718
MODE...AT-120/AT-130/AH-4 operation
The AT-120, AT-130 or AH-4 matches the IC-78 to re-tune the antenna before tuning may damage the transceiver.
e"
" lights constantly when ...
Instruction Manual - Page 22
... a minimum interference signal level. •When IF shift is used, the audio tone may be turned ON and OFF in initial set mode. (p. 31)
Initial reception of a signal results in an S-meter reading of the IF to ±1.2 KHz in SSB/CW/RTTY modes and up to reject interference. even when the signal strength decreases...
Instruction Manual - Page 23
...-96 FL-222 FL-257
Band width 500 Hz/-6dB 250 Hz/-6dB 2.8 KHz/-6dB 1.8 KHz/-6dB 3.3 KHz/-6dB
Mode CW/RTTY-N CW/RTTY-N
SSB-W SSB-N SSB-W
When an optional filter is selected. t Push [SET] to select desired pass-
NORMAL 6 kHz 6 kHz 6 kHz 6 kHz 6 kHz AM
2.4 kHz 2.4 kHz 2.4 kHz 2.4 kHz NARROW 2.4 kHz
500 Hz...
Instruction Manual - Page 26
...modes.
MODE
1/2 octave BFO
Desired signal Interference
(600 Hz)
(800 Hz)
CW mode (USB side)
Desired signal Interference
(600 Hz)
(400 Hz)
CW REV mode (LSB side)
ï Electronic CW keyer
The IC-78 has an electronic keyer. qPush [MODE...CW audio pitch and monitored CW audio pitch can be adjusted with "KEY SPD in the quick set the desired pitch. (p. 29)
This shows the default setting ...
Instruction Manual - Page 28
...SET] for 1 sec. RTTY mark frequency is set to 850 Hz. 850, 425, 200 and 170 Hz are available. to enter quick set mode.
e Select the desired FSK tone/shift frequencies and
keying polarity the same way...as at p. 25. to enter quick set mode. w Select SSB (LSB) mode with [MODE]. to select the desired tone frequency.
• Shift frequency q Push [SET] for 1 sec. w Push [∫...
Instruction Manual - Page 30
... selected and one of its items appears. e Push [UP Y] or [Z DN] to turn power ON.
• Initial set mode are now ef- The IC-78 has 2 separate set modes: quick set mode and initial set mode operation
q Push [PWR] for programming infrequently changed values or conditions of its items appears.
r Repeat w and e to
turn power ON again.
• The conditions...
Instruction Manual - Page 33
... CW side-tone level from 1 to 99. The default is pushed to confirm it may degrade the receive audio). after stopping on a signal. SET MODE 5
31 as RF in SSB/CW/RTTY modes), or the squelch. (See p. 15) The default is Sq (squelch).
• Beep
A beep sounds each time a switch is HI (High...
Instruction Manual - Page 34
.... Four selections are available. • no .
• Number of maximum memory channels
Sets number of connected transceivers (or receivers) and vice versa. on the IC-78 automatically changes those of programmable memory channels from 1 to 99. The IC-78's address is automatically set mode items- (continued)
• Key type
Selects the CW paddle type. The default is...
Instruction Manual - Page 36
... as follows;
• Tuning with the channel selector By rotating the channel selector, operating frequency changes in the desired tuning step, set in this section, are not necessary for 1 sec. • VFO indicator appears. • In the VFO mode, channel comment cannot be indicated. [FC]
D Tuning
The transceiver has several ways of the IC-78.
Instruction Manual - Page 40
... the bottom cover to P 2 (PLL unit). You can install 1 filter for the IC-78.
q Remove the bottom cover as shown on the p. 48.
e Install the desired 455 KHz filter as shown in the diagram at C16 using initial set mode. (p. 33) Otherwise, the installed filter will be improved. CR-338
Internal crystal...
Instruction Manual - Page 42
... When first applying power or when the function seems to all units in the IC-78 through the circuitry fuse.
e Replace the top cover. CAUTION: DISCONNECT the DC power ...PWR]
[√] [∫]
Returns programmed values in both quick and initial set mode to
turn power ON. • The internal CPU is OFF.
The IC-78 has 2 types of the problem, and replace the damaged fuse with ...
Instruction Manual - Page 43
...fixed)
Controller's default address Transceiver's default address
OK code (fixed) End of message code (fixed)
IC-78 TO CONTROLLER q wert
y
u
FE FE E0 62 Cn Sc Data area FD
NG MESSAGE TO ...see table at right) Sub command number (see table at right) BCD code data for setting the CI-V condition using set mode.
• Data format
The CI-V system can be operated using the following functions of...
Instruction Manual - Page 44
... Read Upper/Lower frequencies Read frequencies Read operating mode Set operating frequency Set mode Set memory Set memory channel Scan stop Memory scan start cloning. Master transceiver indication
[REMOTE] jack
to [REMOTE] Mini-plug cable
to the other IC-78's [REMOTE] e While pushing [TXF] and [FC], turn the sub IC-78 power ON.
w Connects a mini-plug cable between transceivers
•...
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