BARDL UHF SF-318 User manual

CPU-CONTROLLED DUAL-
ANTENNA DIVERSITY
RECEIVER
Instructions For Use
ULTRA HIGH FREQUENCY
WIRELESS MICROPHONE SYSTEM
WIRELESS MICROPHONE SYSTEM
SF-318

Thank you for using BARDL's product. Please read the user manual carefully before you
operate the wireless microphone.
1. PRODUCT INTRODUCTION
UHF SF-318 professional wireless microphone is designed in UHF, dual CPU control, PLL
synthesized and signals testing. There are together 300 adjustable frequency points for
the customer to choose.
(1) Features
A. Wide band UHF frequency delivery
This system uses the UHF to delivery. The frequency is 684.7MHz.
UHF makes the wireless microphone avoid the traffic jam off frequency and the
interrupts from the other kind of frequencies.
B.CPU control
The whole system is controlled by the micro computer.
C.LCD display
All of the menu items can be displayed in the LCD screen.
D.PLL synthesized
PLL synthesized is a better design than quartz locked design. The frequency is more stable
and the receiving is more fluently.
E. True diversity receiving wireless system
2 SYSTEMS'S ACCESSORY INSTRUCTION
(1) SF-318receiver 1
(2) POWER 1
(3) 1/4inch connect cable 1
(4) antennas 2
(5) instruction 1
(6) repair card 1
(7) 9V power supply 1
(8) microphone
a: SF-30H handle transmitter 1
b: Clip style microphone:
SF-30T clip style transmitter 1
Microphone: all direction uni-
directional headset style 1
True diversity receiving wireless system makes the wireless microphone always receive 1 3
the strongest signals and get the best S/N.
F.Noise testing and the noise reduction function
The system can analyze the noise signal the normal signal constantly. When the noise 2
signal is stronger than the normal signal, the system will cut the noise signal automatically.
G.Lower battery warning
When the battery is low, the lights both on the microphone and the receiver will be shining
to warn the user to change the battery.
H.Audio output function
The audio output jack has 3 pin XLR balance output and 1/4 inches un-balance earphone
jack. They can be connected to the peripheral equipment.
I.Modulation design
The microphone is designed in modulation. It is easy to adapt the different microphone
head in various places.
.1.
c: Guitar system:
SF-30T clip style transmitter 1
1/4 inch mini 3 input pin 1
guitar cable connector 1
.2.

3.INSTALLATION
(1) SF-318 Receiver
1. Infrared ray transmitter
2. LCD screen
3. UP key
4. Down Key
5. SET key
6. Infrared ray transmitter setting button
7. Power
8. Antenna B connector
9. Volume button to adjust the volume
10. BNC balance audio output socket
11. Un-balanced mixing audio output socket: 1/4-inch un-balancedearphone jacks, un-
balanced mixing audio output.
12. unblaced volume switch: when it is on LOW position, it is microphone output. When
it is on HIGH position, it is AUX volume
13. onnect to 12V DC power input socket. The pole in the central should be connected
to the positive electric. The voltage cannot be lower than 10V and can not be higher
15V
14. Power line fixed fitting
15. Antenna A connector
(2) Handle style microphone
1. Sound Head
2. Infrared ray transmitter window
3. Infrared ray data receiving indicate light
4. Low power indicate light
5. Power switch
6. Handle microphone
7. Gain control (Customer are not recommend to use this key)
8. 9V battery
9. Battery cover
a: Change the battery
One battery can work about 8 hours.
When the indicate light is bright, the battery should be renew, as the change above.
b: Gain control
Screw off the battery cover, the Gain control hole can be see.Adjust it to the switable
position; according to the volume and the environment of show, with a small screwdriver.
.3. .4.
8 9123 4 5 6 7
DATA
LOWBATT
ON
OFF
8 9 10 11 12 13 14 15
123 4 5 6 7
DATA
LOWBATT
ON
OFF
DATA
LOWBATT
ON
OFF
DATA
LOWBATT
ON
OFF
DATA
LOWBATT
ON
OFF

0
-6
-20
GAIN
(3) Clip style microphone
1. antenna
2. power
3. low electrical voltage indicate light
4. infrared ray data receiving indicate light
5. radio input 3 pin connector
6. infrared ray data receiving window
7. gain control
2 4
1 DATA
5
3
4 OPERATION METHOD OF MANUAL
(1) LCD panel of the receiver
1
2
6
a: Change the battery
7
6
BA TTER Y
A CCESS
3 4
5
1. Indicating the intensity of RF signal in 8lattices
2. Indicating the intensity of RF/AF signal in 8 lattices
3. Most of the menu indicated by 6 characters
4. Frequency Unit
5. Receiver selects an antenna channel while it shows A in the effective position, or it
select antenna channel while it shows B
6. IF there are antennas indicated in the testing position, it shows that the same RF
One battery can work about 8 hours.
When the indicate light is bright, the battery should be renew, as the change above.
2
1
b: Gain control
SF-30T has three position for choosing, choose the suitable position according to your
music instrument.
0: microphone
-6: guitar without soure
-20: guitar with soure
0
0
-6
signals are received, oppositely, it shows there aren't any RF signals.
(2) Instruction
When depress POWER (receiver) or electrical power (transmitter) ,LCD will show the
state of the system.
-6
-20
-20
GAIN
GAIN
.5. .6.

Unlock setting:
A. Depress SET, it will indicate "LOC", and then "LOC ON".
B. Depress UP ,it will indicate "LOC OFF",and then shining.
C. Depress SET to confirm it ,and then you can get to another menu setting.
Antenna Status
Indicate antenna A or antenna B are using
(3)connecting method
System setting
A: Single system setting
a. Set the receiver's channel
b. Turn on the power, close the infrared ray transmitter window to the infrared ray
receiver window.Depress the "TRAN' button to tran the frequency.After setting ,
the infrared ray will be turn off automatically.
B: Multi-system setting
a. Turn on all the receiver, and turn off all the transmitter.
b. Set all the receiver at different frequency.
c. Turn on the first transmitter.
d. Next step adjustment as the "single system setting" above.
SQUELC
mute:(only in receiver)
SQ is controlled by CPU, which is convenient to adjust the mute sensitivity of receiver.
Shielding all the microphone signal and any other interferential signal so that it can avoid
the strong noise output.
Remark: There are 5 levels, which are 0dB 5dB 10dB 15dB 20dB, when it is 0dB,any
signal can go through freely, the noise also can go through while interference , so set
it at 5dB .You can increase he level when the interference arouse. The higher of the level,
the shorter of the receiving distance.
LOCK
Lock setting: Lock any button control, which can't be changed any more.
Once the buttons are locked , they can't work normally until tfreeing of locking. This function
can avoid touching off other functions while using.
.7. .8.
A. Depress SET to get the SQUELC menu, LCD
shows SQUELC.
B. LCD will show the initial setting of SQ while
SET is up ,such as 10Db
C. Depress UP or DOWN repeatedly ,the mute
level will be increased or decreased,and then
relax your grip to get the level you want, the level
is shining.
D. Depress SET to stop shining, and the system
will return to the initial menu.
Lock setting:
A. Depress SET continually until the "LOCK" menu
is come out, and then it will indicate "LOC OFF",
which means the buttons aren't locked
B. Depress DOWN continually until it indicates "LOC
ON" ,it will be shining at that time. (notice: Depress
the button UP of transmitter can also has this
function.)
C. Depress SET to confirm it .
D. Any of the buttons are "LOC" at that time, and
then it will return to the initial menu.

Adjust each system as above
>Notice:when adjust one system, only reveal it's infrared ray transmitter window.
(4) fixing on the frame
The receiver can fix on the standard 19 inch audio equiment frame as the chant below.
Setting one receiver needs(UA1100) one set.
Setting two receivers needs (UA120) one set.
(5).The most important point to gain the best sound effects:
a. Antennas must be seen from the position of receiver.
b. The distance between the transmitter and the receiver must be shorter.
c. Antennas of the receiver must be lie at an angle of about 45 degrees .
d. Antennas can't be close to metal surface and the veil.
e. If there are several systems working at the same time ,antennas can be touched or
intercross reciprocally when the receivers are overlaying .
f. You'd better make another SCM testing before performing ,if dead corner is found,
adjust the position of the receiver.
.9. .10.
Having
no voice
5. MALFUNCTION AND MAINTENANCE
Indicating Solving methodMalfunction
Receiver signal indicating
is not lighting
Turn on the transmitter power to check the
battery make sure the polarity is right, if there
are something wrong,change it
Receive signal indicating
is lighting, and the receive
audio frequency indicating
level is shining owing to the
sound
Adjust the volume controler to check the
connecter between output and the external
equipment
Receiver signal indicating
level isn't lighting
Check the frequency between transmitter
and receiver, lie the antennas at an angle
of about 45 degrees, keep the antennas
away from any metal subject, remove the
barrier between the transmitter and the
receive, antenna must be seen by the
microphone user.Short the distance between
th ereansmitter and receiver
Having no
voice while
moving
Antenna signal isn't lighting
while the loss of sound
Change the positon of the receiver and do
another testing about system, mark the dead
corner for reminding
Inteference
between
several
systems
Receiver can receive the
signal from the
nonassosciated transmitter
Change the frequency of the system to avoid
interference

6. TECHNI CA L DATA
(1). Gen e ral featu r es:
W o rking freq ue nc y: 684.7 MHz
Adjusti ng: F M
F r eque nc y r e s pons e: 50Hz~ 15 Hz
Distortion: 95d B
W
o rking distan c e: 100M (with out disturb anc e)
W o rking temp e r ature: 5cels i us ~ 45celsi us
(2). Han d l e sty l e tr an smitte r
RF transmit pow e r: 3.54 mW
Tr ansmitting stable fre que nc y: w i thi n 30 ppm
Dy namic ra ng e :* 100dB, A- w e i ghin g
F r eque nc y r e s pons e:50Hz~ 15 KHz
Maximum outp u t voice:13 0dB SPL
Element: mo vi ng co il dy nami c
Battery : 9V
Current co nsu m ption: be low 35mA
Dimens ion: 235 mm * 51mm
(3).body pack transmitter
RF transmit pow e r: 0.019mW
Tr
ansmitting stable fre que nc y: w i thi n3 0ppm
Dy namic ra ng e :* 100dB, A- w e i ghin g
F r eque nc y r e s pons e:50Hz~ 15 KHz
Maximum outp u t voice:13 0dB SPL
Element: movi ng coil d y nam i c
Battery : 9V
Current co nsu p tion: be low 35 m A
Demens io n:62 mm * 91mm * 30mm
(4).antenna div e rsit y recei v er
received meth od: divers it y a n t enna rec e ive
chan nel nu mb er:30
received sens itivit y: 1 0dB ♣ V
image fre que n c y: min i mum5 5d B
moderat e frequ enc y: 65.75 MH z, 10.7MHz
S/N ratio: 105d B
Hamon i c distor tion: * 1%
Audi o outp u t attenuati on: 2 s w itch 0/-12 dB
Output :unbe la nce 6.3mm T S socket output
Bala nce: XLRM -3M male out pu t
Po w e r: 12 0VA C 60Hz 12 V~ 18V DC, 50 0mA,
transformer co nnecte d outsi d e
Demens io n:21 0m * 48m * 23 0m
FCC NOT E :
T he manufacturer is not respo n sibl e for an y r adio or T V inte rference ca use d b y
una uthoriz ed modificati ons t o this equ ipment. Such modifi cations co uld v o id the
user' s author it y to operate the equi pme n t.
.11. .12.