FMUser FU-T501, Руководство пользователя

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FMUSER INTERNATIONAL GROUP INC.
www.tvfmuser.com
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14 Frequency Modulation ±75KHZ
15 SNR ≥70dB
16 Size 21cm
（
L
）
*48 cm
（
W
）
*4.5 cm
（
H
）
17 Net Weight About 2800g
7. Troubleshooting
NO Problem description Possible Reasons
1 Unable to Power ON
1
）
Socket is not connected with electricity
2
）
Power cord is not well plugged.
3
）
The fuse is not working properly in socket.
2 SWR Alarm
1
）
Antenna is not well connected.
2
）
SWR value is too high because antenna doesn’t
match transmitter
3) There are too many reflecting objects close to
antenna.
3 Temperature Alarm
1
）
Fan is not working
；
2
）
Antenna doesn't match transmitter, the SWR
value is too high, thus temperature rises up.
3
）
The fan holes are jammed.
4 SWR value is too high
1
）
Antenna not well connected.
2
）
SWR value is too high because antenna doesn’t
match transmitter
3) There are too many reflecting objects close to
antenna.
5
Short transmitting
distance
1
）
High loss of feeder cable.
2
）
Poor broadcasting environment.
3
）
Output power is low.
4
）
Antenna is not placed high enough.
5
）
Antenna and transmitter doesn’t match.
6
）
Radio receiver has low sensitivity.
6 No power output
1) RF output power needs to be adjust higher
2) Transmitter is powered OFF.
7 No audio output
1
）
Transmitter line-in volume is too low.
2
）
Line-in audio signal is abnormal.