![background image](http://html2.mh-extra.com/html/icom/d-star-id-4100a/d-star-id-4100a_basic-manual_3514805071.webp)
56
9
MAINTENANCE
New2001
9
BASIC MANUAL
PROBLEM
POSSIBLE CAUSE
SOLUTION
REF.
Transmitting is
impossible, or the
transmit power level
is low.
• Duplex function are ON, and the transmit
and receive frequencies are different.
• The transmit power level is set to LOW or
MID.
•The PTT Lock function is activated.
•The Busy Lockout function is activated.
•Turn OFF the Duplex function.
•Set the transmit power level to HIGH.
• Turn OFF the PTT Lock function.
• Turn OFF the Busy Lockout function.
AM
sec. 8
p. 26
p. 35
p. 35
The displayed
frequency is
erroneous.
•The CPU has malfunctioned.
•External factors have caused the fault.
•Reset the transceiver.
• Disconnect and connect to the DC power
supply.
p. 53
–
Frequency cannot be
set.
•The Lock function is activated.
•The VFO mode is not selected.
• Hold down [LOCK] for 1 second to turn OFF
the Lock function.
•Push [V/M] to select the VFO mode.
p. 24
p. 21
A Program Scan does
not start.
•The VFO mode is not selected.
• The same frequencies are entered into the
scan edges.
•Push [V/M] to select the VFO mode.
• Enter different frequencies into the scan
edges.
p. 21
AM
sec. 2
A Memory Scan does
not start.
•The Memory mode is not selected.
• Only one or no memory channel has been
programmed.
•Push [V/M] to select the Memory mode.
•Program two or more memory channels.
p. 21
p. 41
During tone squelch
operation, the received
audio breaks off at the
other station.
•Transmitter’s microphone gain is too high.
• Set the microphone sensitivity to low.
p. 35
Transmission is
automatically cut off.
•The Time-out timer function is activated.
•Turn OFF the Time-out timer function.
p. 35
*“AM” indicates the Advanced manual.