Icom IC-905, Основное руководство

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10-5
BASIC MANUAL
10
MAINTENANCE
Troubleshooting
Problem Possible cause Solution REF.
Cannot transmit voice memories. “DATA OFF MOD” is set to “USB”
or “LAN” by control from an external
device, and so on.
Set “DATA OFF MOD” to “MIC,USB”
(default) or “MIC.”
p. 8-14
Cannot save TX/RX histories or
sound data.
An SD card is not inserted. Insert an SD card. p. 6-1
“No SD Card is found.” is displayed. An SD card is not recognized. Confirm that an SD card is inserted. p. 6-1
Reinsert an SD card.
Exchange with a new SD card.
“– No File –” is displayed on the
FIRMWARE UPDATE screen.
The firmware file is in an incorrect
folder.
Copy the firmware file into the IC-905
folder.
AM
The firmware file name is different. Download the firmware file again.
The SD card is not formatted. Format the SD card. p. 6-1
The touch screen is not working
correctly.
The touched point and the detected
point may be different.
Calibrate the touch screen on the
OTHERS screen.
AM
The current time is reset. The transceiver has not been used
for a long time, with the DC power
cable disconnected.
Connect the transceiver to the power
source to charge the backup battery
of the internal clock.
p. 9-1
Even when turning ON the
NTP function, the clock is not
automatically set.
The transceiver is not connected to
the Internet.
Confirm the network settings. p. 13-3
The transceiver IP address is wrong. Turn ON the DHCP function to
automatically get the IP address, or
set the correct IP address.
p. 8-16
“The RF unit is not detected. Check
connection and restart the IC-905.” is
displayed.
The RF unit is not connected
properly.
Reconnect the RF unit properly. CG
A communication error occurred
between the controller and the RF
unit due to interference with the
radio waves transmitted from other
devices.
Take measures against the
interference.
–
“A communication error occurred
between the controller and the RF
unit. Please restart the IC-905.” is
displayed, even when restarting the
transceiver.
The controller cannot communicate
with the RF unit.
Reinstall the firmware update. AM
In the ATV mode, the received or
transmitted video are corrupted or
distorted.
When inputting PAL or SECAM video,
“ATV Audio Sub Carrier Frequency”
is set to “4.5 MHz,” and interference
occurs with audio and video signals.
Change the input device to a one
that uses a compatible video format
standard.
–
Set “ATV Audio Sub Carrier
Frequency” to other than “4.5 MHz.”
AM