LD WS1000 User Manual - page 6
Maintain a line of sight between transmitter and antenna.
Avoid placing the receiver near metal surfaces or any digital equipment (CD players, computes, etc)
Keep the receiver away from the wall and over 1m to the ground
Cellular telephones and two-way radio and so on can interfering the transmitting frequencies,
maintain a distance from the interfering equipments or any cause interfering.
Issue Indicator Status Solution
Trips for improving System Performance
Troubles Shooting
Transmitter LCD off
Turn on transmitter
Make sure the +/- indicator on battery
match the transmitter terminals
No sound or faint
sound
Receiver LCD off
Make sure AC adapter is securely
plugged into electrical outlet and into
DC input connector on rear panel of
receiver.
Receiver RF indicator glows
Turn the receiver up
Turn up the Gain adjustment switch in
the transmitter
Check the power connection of the
receiver and amplifier or mixer
Receiver RF indicator off,
transmitter LCD on
Take the receiver away from the metal
objects
Check whether there is hamper between
receiver and transmitter
Move the transmitter near the receiver
Check the receiver and transmitter
whether use the same frequency
The battery power indicator
light on LCD flashes
Change the batteries in transmitter
Distortion or
unwanted noise bursts
Receiver display indicators
antenna activity
Remove nearby sources of RF inte
rference(CD players, computers , digital
effects ,in-ear monitor systems, etc.)
Distortion level
increases gradually
Sound level different
from cabled guitar or
microphone, or when
using different guitars
Adjust transmitter again and receiver
volume as necessary
Transmitter power indicator
light flashing on the LCD
Replace transmitter batteries
Specifications
Frequency Range and Transmitter Output level
Operating Range under Typical Condition:
80m (240 ft.)
Note:
actual range depends on RF signals
absorption,reflection, and interference.
Audio Frequency Response (+/-3 dB):
60Hz
~
16KHz
Total Harmonic Distortion
( +/- 30 KHz deviation,1 KHz tone):
Dynamic Range:
>
90 dB (A
–
weighted)
Operating Temperature Range:
-10
C to +50 C
Note:
battery characteristics may limit
the range
Audio Input Level Maximum:
0 dBV maximum at mic again position
+10 dBV maximum at 0 dB gain position
+20 dBV maximum at
–
10 dB gain position
Gain adjustment Range:
30 dB
Input Impedance:
470 kohm
Dimensions:
89mm H
×
65mm W
×
24mm D
Weight:
85
g without batteries
Power Requirement:
Two
“
AA
”
size alkaline or rechargeable batteries
Battery life:
Up to 13 hours (Alkaline)
Band Range Transmitter RF level
UA 518-548 MHz 13dBm
UB 630-660 MHz 13dBm
UC 740-770 MHz 10dBm
UD 800-822 MHz 10dBm
UE 838-865 MHz 10dBm
System
Body pack Transmitter
Dimensions (including the microphone):
243mm
×
50mm Diameter
Weight:
300 g
Battery Requirements:
2
“
AA
”
alkaline batteries or rechargeable batteries
Battery Life:
Up to 14 hours (Alkaline)
Audio Output Level Maximum (ref. +/-30 KHz, 1 KHz)
:
XLR connector (into 600 load): -12 dBV
1/4inch connector (into 3000 load): -18 dBV
Output Impedance:
XLRconnector 200ohms
1/4inch connector 1kohm
XLR Output:
Impedance balanced
Pin 1: Ground
Pin 2: (+)
Pin 3: (-)
:
:
5
410
8
:
25
Power Requirements
12-18 Vdc at 1000mA, supplied by external power supply
Ω
Ω
Sensitivity
(intermediate frequency adjustment
audio noise output
Image Rejection
>
90 dB
Dimensions
4 mm H
×
mm W
×
1 0mm D
Weight
00 g
Receiver
Handheld Transmitter
9
10