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Retekess TR502 User Manual
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TR502 FM Transmitter User Manual
MHz
FWD
REF
Soundtrack Mode
U Disk Play
Bluetooth Connect
FWD
Alarm
REF
Transmit Power
Reflected Power
Precautions For Use
● There is high pressure inside the machine,maintenance can only be operated
by professional and technical person.
● Please put the machine in a cool dry and ventilated environment for use,the
ambient temperature should not be higher than 35 degree centigrades.
● After antenna installed,there should be 5 meters above from the ground and
wall spacing as standard installation environment.
● When install the feed tube,be sure to tie the feed tube to the mounting rod with
a tie to prevent the feed tube from pulling loose on the connector.
● Please do not turn on the machine without connecting the antenna.
● Please do not touch the antenna after machine is power on.
● Please do not use this machine in explosive antospheres(eg gas stations, gas,
steam,etc.).
● Please comply with local radio regulations.
1
Function and Parameter setting
1. Power On/Off
When the machine is connected to power, then it starts.
In working condition, long
In standby mode, long
condition.
2. Frequency Adjustment
Audio Volume Adjustment
In working condition, short
right corner flashes,
Audio Socket
Short
press【
】or【
On/Off Setting Button
Long
press【
】or【
Down Button
3. Power Adjustment
Up Button
Short
press【
】button, when
Microphone socket
press【
】or【
Microphone Volume
button
Decrement;【 REF
PS:
Adjustment
The 15-watt power shows 1.9 watts per cell, with a minimum of 0 cells and a
maximum of 8 cells.
4. Soundtrack Adjustment
In the working state, short
icon is flashing,
press【
Working
mono;【
】is
MHz
Frequency
5. Amplifier Temperature
In working condition, short
displayed, it is the current temperature of the amplifier module.
6. Audio / Microphone Volume Adjustment
Turn the audio knob / microphone knob clockwise to increase the volume;
turn counterclockwise to decrease the volume.
U Disk Outlet
Bluetooth Connection / U Disk Play
PC Control
Power Socket
When the host is turned on, the screen
Bluetooth to search NIORFNIO to connect.
Cooling Fan
When the host is turned on, insert U disk, the screen
TNC Antenna Female
press【
】or【
seat
Long press
the【
JAZ Jazz, CLA classical, BAS bass).
Long press
the【
ONE ONE, RAN)
Input priority:
Audio cable > U disk play > Bluetooth play
Alarm Reminder Function
When the machine is working, it sends alarm and the alarm
in the lower left corner of the screen.
General troubleshooting:
Standing Wave Alarm
1.The antenna is not connected
2. Feeders rolled together, did not start;
3. Antenna installation from the ground, wall or metal objects too close, adjust the
antenna installation location;
4. Antenna oscillator height and frequency do not match, adjust the height of the
antenna to the launch point.
Temperature alarm
1.Fan does not turn
2. The antenna does not match,which causes standing wave too large and
press【
】key, the machine enters standby mode.
press【
】key, the machine goes into working
press【
】, when
the【 MHZ
】icon in the lower
press【
】to adjust the frequency.
】or【
】, frequency steps by 100K;
】button,frequency continuously steps by 100K.
the【 FWD
】icon on the screen is flashing,
】to adjust the power ; Short
press【
】or【
】icon is displayed as reflected power.
press【
】, when
the【
】icon of screen power
】to adjust the channel mode;
】or【
】When the stereo channel.
press【
】button, when
the【 ##.##℉
】icon is
displays【
】icon,device open
displays【
】icon;
】buttonto switch songs;
】button to switch the sound mode (NO normal, POP pop,
】button to switch play mode (ALL ALL, FOL in sequence,
icon【
2
temperature rises. Adjust the antenna oscillator height corresponding to the
launch frequency or adjust the antenna position;
3. Into the outlet there are obstacles, blocked the flow of air temperature is too
high;
4. engine room air convection, or the engine room temperature is too high.
Technical Parameter
NO.
Item
01
Working voltage
02
Working current
03
Frequency range
04
Frequency stability
05
Frequency step
06
Environmental Operating temperature
07
Output impedance
08
RF output power
09
Harmonic / clutter radiation
10
Audio distortion
11
Bluetooth distance
12
Frequency response
13
Resolution degree
14
Input level
15
Modulation frequency offset
16
SNR
17
Size
18
Weight
Lever antenna frequency length corresponding table
MHZ
】flashes
Transmit Frequency
76
78
MHZ
Antenna Length
38.6
37.8
IN
Transmit Frequency
94
96
MHZ
Antenna Length
31.1
30.3
IN
Technical Parameter
DC 12V
﹤3A
87-108MHz
±10PPM
100KHz
-10℃~45℃
50Ω
0W~15W
≤-50dB
0.3%
≤5m
50Hz~15000Hz
≥30 dB
≤-15~15 dBV
±75KHZ
≥60dB
144*100*54
550g
L(CM)
80
82
84
86
88
90
92
36.6
35.8
35.0
34.3
33.5
32.7
31.9
98
100
102
104
106
108
29.9
29.5
28.7
28.3
27.6
27.2
3

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Summary of Contents for Retekess TR502

  • Page 1 3. Into the outlet there are obstacles, blocked the flow of air temperature is too When the machine is connected to power, then it starts. high; TR502 FM Transmitter User Manual In working condition, long press【 】key, the machine enters standby mode.
  • Page 2 Operation is subject to the following two conditions: Your Retekess radio has a RF Exposure Product Label. Also, your Retekess user (1) This device may not cause interference. manual, or separate safety booklet includes information and operating instructions...