Icom IC-7760 handleiding
Handleiding
Je bekijkt pagina 83 van 100
10-4
BASIC MANUAL
MAINTENANCE
10
10
Troubleshooting
Problem Possible cause Solution REF.
A receive antenna cannot be select. “RX-ANT Connectors” is set to
“Connect External RX Device.”
Set to “Connect Receive Antenna”
(default).
p. 7-2
The MAIN/SUB indicator blinks blue. The Tracking function is ON. Turn OFF the function. AM
The transceiver automatically
switches to transmit while receiving.
The VOX function is ON.
Push
VOX/BK-IN
to turn OFF the
VOX function.
AM
The VOX gain is set too high. Adjust the VOX gain.
The transceiver receives the SEND
signal from the software on the PC.
Conrm the “USB SEND” setting. p. 8-11
The transceiver cannot switch to
transmit.
The operating frequency is outside a
ham band.
Set the frequency to a ham band. p. 3-5
In the CW mode, the Break-in
function is turned OFF.
Turn ON the function before starting
keying.
p. 4-12
No power output or the output power
is too low.
The transmit output power is set too
low.
Adjust the RF POWER in the Multi-
function menu.
p. 3-10
The modulation input signal level is
set too low.
Adjust the MIC GAIN level in the
Multi-function menu.
p. 3-9
The microphone is bad, or the [MIC]
jack is shorted or defective.
Test the microphone and check the
[MIC] jack.
p. 13-4
The antenna SWR is more than 3:1. Adjust the antenna for an SWR of
less than 3:1.
AM
The antenna is not properly tuned.
Hold down
TUNER
for 1 second to
tune the antenna.
p. 7-3
The transmit signal is unclear or
distorted in the SSB mode.
The transceiver’s microphone gain is
too high.
Adjust the MIC GAIN level so that the
meter reading swings between 30
and 50% of the ALC scale.
p. 3-9
Under modulation occurs.
In the AM or FM mode, the transceiver’s
microphone gain is too low.
Adjust the MIC GAIN level in the
Multi-function menu.
p. 3-9
In the AM mode, the transceiver’s
Drive Gain level is too high.
Adjust the Drive Gain level. AM
The received audio in the SSB mode
is unclear or distorted.
The incorrect sideband is selected. Toggle between USB and LSB. p. 3-4
The PBT function is activated.
Hold down
TWIN PBT
CLR
for 1 second
to clear the PBT settings.
p. 4-4
Cannot contact with another station,
even if receiving and transmitting
seem normal.
The Split function is ON, and the
transmit and receive frequencies
dier. (
is displayed.)
Push
SPLIT
to turn OFF the Split
function.
p. 4-10
The RIT or ∂TX function is ON, and
the transmit and receive frequencies
dier. (“RIT” or “∂TX” is displayed.)
Push
RIT
or
TX
to turn OFF the
function.
p. 4-1,
AM
The frequency is not properly
changed by rotating
RIT/
TX
.
The RIT or ∂TX function is OFF.
Push
RIT
or
TX
to turn ON the
function.
p. 4-1,
AM
The operating frequency does not
change when rotating
MAIN
DIAL
.
The Dial Lock function is ON.
Hold down
SPEECH
to turn OFF
the Dial Lock function.
p. 3-9
The display turns OFF. The Screen Saver function is ON.
(The indicator on
NR
blinks
white.)
Operate something (push key, and so
on) to reset the screen saver startup
time.
p. 8-18
A Programmed scan does not start. The VFO mode is not selected. Select the VFO mode. p. 3-1
The same frequencies have been set
in the scan edge memory channels
P1 and P2.
Set dierent frequencies in scan
edge memory channels P1 and P2.
AM
Bekijk gratis de handleiding van Icom IC-7760, stel vragen en lees de antwoorden op veelvoorkomende problemen, of gebruik onze assistent om sneller informatie in de handleiding te vinden of uitleg te krijgen over specifieke functies.
Productinformatie
| Merk | Icom |
| Model | IC-7760 |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 18538 MB |
