Please follow the instructions in this manual to obtain the optimum results from this unit.
We also recommend that you keep this manual handy for future reference.
WTU-3800WIRELESS TUNER MODULE
INSTRUCTION MANUAL
Power Requirement 7 – 12 V DC
Current Consumption 100 mA
Receiving Frequency 169 – 216 MHz, VHF
Receiving System Double superheterodyne
Receiving Sensitivity Better than 80 dB, S/N ratio (20 dBµV input, 40 kHz deviation)
Antenna Input Impedance 75 Ω
Diversity System Space diversity
Channel 6 channels selectable
Squelch System Using together of noise SQ and carrier SQ
Squelch Sensitivity 18 dBµV
Output 0 dB* (maximum deviation, 2.2 kΩ load)
Harmonic Distortion Less than 1%
Frequency Response 100 – 12,000 Hz, ±3 dB
Operating Temperature –10 to +50°C
Finish Steel
Dimensions 60 (w) x 25 (h) x 139 (d) mm
Note : The design and specifications are subject to change without notice for improvement.
* 0 dB=1 V
2. GENERAL DESCRIPTION
The TOA WTU-3800 Wireless Tuner Module is designed to be used in conjunction with VHF wireless equipment for vocal
or speech reinforcement applications. Its built-in circuit minimizes the influence of ambient noise.
3. HANDLING PRECAUTION
Never open nor remove the unit case, as doing so may result in unit failure. Refer all servicing to your nearest TOA dealer.
4. OPERATION
Refer to the operating instructions attached to equipment to be used with the tuner module for installation and operation of
the tuner module.
5. SPECIFICATIONS
• Accessories
Driver for channel
changing ....................... 1
1. SAFETY PRECAUTIONS
• Be sure to read the instructions in this section carefully
before use.
• Make sure to observe the instructions in this manual as
the conventions of safety symbols and messages
regarded as very important precautions are included.
• We also recommend you keep this instruction manual
handy for future reference.
• Do not expose the unit to rain or an environment where it
may be splashed by water or other liquids, as doing so
may result in fire or electric shock.
• The equipment shall be fed from a power supply which is
in compliance with requirements of SELV circuit on the
EN60950 standard.
• Do not mount the module in equipment other than those
designated. It is identical to the WTU-860 and WTU-870
wireless tuner modules in shape. However, since its pin
arrangement differs, it does not operate correctly when
mounted in the tuner (such as the WT-860 and WT-870)
other than those designated. This could also cause
failures to the tuner in which the unit is mounted.
WARNING
Indicates a potentially hazardous situation which, if
mishandled, could result in death or serious personal
injury.
CAUTION
Indicates a potentially hazardous situation which, if
mishandled, could result in moderate or minor
personal injury, and/or property damage.
Printed in Taiwan
133-07-216-90
(4 Seiten)
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