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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.
WT-2100PORTABLE RECEIVER
OPERATING INSTRUCTIONS
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.
Safety Symbol and Message Conventions
Safety symbols and messages described below are used in this manual to prevent bodily injury and property
damage which could result from mishandling. Before operating your product, read this manual first and
understand the safety symbols and messages so you are thoroughly aware of the potential safety hazards.
Indicates a potentially hazardous situation which, if mishandled, could
result in death or serious personal injury.
WARNING
Indicates a potentially hazardous situation which, if mishandled, could
result in moderate or minor personal injury, and/or property damage.
CAUTION
• Do not use the receiver's neck strap in close proximity to the rotating machinery, such as drill presses, as the
strap could become entangled in the machinery, resulting in personal injury.
• Switch off the power when inserting an earphone into your ear. The unit's volume control also functions as
the power switch. Using the earphone with the volume increased may produce sudden loud noises, hurting
the hearing.
• When the unit is not in use for 10 days or more, be sure to take the batteries out of the unit because battery
leakage may cause personal injury, or contamination of environment.
• Make sure to observe the following handling precautions so that a fire or personal injury does not result from
leakage or explosion of the battery.
· Do not short, disassemble, heat nor put the battery into a fire.
· Never charge batteries of the type which are not rechargeable.
· Do not solder a battery directly.
· Be sure to use the specified type of batteries.
· Note correct polarity (positive and negative orientation) when inserting a battery in the unit.
· Avoid locations exposed to the direct sunlight, high temperature and high humidity when storing batteries.
133-07-220-8B
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2. GENERAL DESCRIPTION
TOA's WT-2100 is a Portable Receiver designed to receive 470 MHz band radio signals. An optional
earphone (not supplied with the unit) is required.
3. FEATURES
• Commercial earphones can also be used (plug diameter: 3.5 mm, impedance: over 16 Ω).
• Up to 5 different channels can be simultaneously used in the same location.
• The battery indicator indicates the state of battery consumption to avoid the unit's failure due to battery
exhaustion.
• Compact size and high reliability.
4. HANDLING PRECAUTIONS
• 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 unit failure.
• Never open nor remove the unit case to modify the unit. Refer all servicing to your nearest TOA dealer.
• Take care not to drop the unit onto the floor nor bump it against a hard object as the unit could fail.
• Do not use the unit in locations where it is exposed to seawater.
• To clean, wipe with a dry cloth. When the unit gets very dirty, use a cloth damped in a neutral cleanser.
Never use benzene, thinner or chemically-treated cleaning cloth because such volatile liquids could deform
or discolor the unit.
• To avoid damage, do not carry the unit by its antenna.
• To avoid the unit's failure, do not use the unit in locations which vibrate or where dust accumulates.
5. NOMENCLATURE
[Top]
Neck strap entry hole
PWR/VOL
Earphone output terminal
CH
(ø3.5)
1
2
3
EAR
4
5
Operation/battery indicator
Flashes: Standby mode
Lights green: Reception mode
Lights red: Indicates battery exhaustion.
Neck strap
[Front] [Rear]
Antenna
Power/volume switch
Channel selector switch
Cover lock
Battery cover
Clip
Holder
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8.1 Holder
Raise the holder's tab to detach.
To attach, push the holder till it fits onto the unit with
a click.
8.2 Neck Strap
When attaching the neck strap, remove the holder,
then fit the strap as shown in the figure.
7. HINTS ON OPERATION
• Up to 5 different channels can be simultaneously used in the same location. (Note that communication
distances may be shortened by simultaneously using 2 or more channels compared to use of only a single
channel.)
8. HOW TO DETACH AND ATTACH THE HOLDER AND NECK STRAP
6. OPERATION
Step 1. Remove the battery cover and place the battery as shown below. (Ensure that the Power/volume
switch is set to the OFF position.)
Step 2. Replace the battery cover and securely lock it .
Step 3. Set the Channel selector switch to the same channel as the transmitter.
Step 4. Connect an optional earphone to the Earphone output terminal and put the earphone on the ear.
Step 5. Switch on the power by turning the Power/volume switch clockwise, and adjust the volume.
The Operation/battery indicator either lights or flashes when the power is turned on.
Step 6. Turn off the power after use.
[Operation/battery indicator-to-WT-2100 Relationship]
Indicator WT-2100
Flashes slowly. Standby mode (no signal reception)
Steadily on Receiving a signal.
Changed from green to red. Battery has been exhausted.
Unlock the battery cover
to remove.
Place the battery.
Neck strap
Holder
(back side)
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10. SPECIFICATIONS
Note: The design and specifications are subject to change without notice for improvement.
• Accessory
Neck strap .................................................. 1
Power Source 1.5 V DC (Battery)
Receiving Frequency 470 MHz band (5 ch)
470.075, 470.150, 470.375, 470.625, 470.725 MHz
Receiving System Double super-heterodyne
Receiving Sensitivity Better than 25 dB S/N ratio (7 dBμ VEMF input, ±1.7 kHz deviation)
Frequency Response 200 – 5,000 Hz (Portable transmitter Portable receiver)
150 – 6,000 Hz (Desk-top transmitter Portable receiver)
De-emphasis 50 μs
Output Level 4 mW (16 Ω load, 10% distortion)
Battery Life 18 hours (alkaline)
Battery LR6 (1.5 V) x 1
Ambient Temperature –10 to 40°C
Finish Resin, dark silver
Dimensions 62 (w) x 163.6 (h) x 32.5 (d) mm
Weight 112 g (battery included)
Symptom
Power is not switched on.
Cause
Battery is exhausted.
Remedy
Replace with new battery.
Incorrect battery polarity connection. Remove and reinsert battery.
Receives no radio signal even
when distance to transmitter
is short.
Operation/battery indicator is
flashing slowly.
Channel selector switch is not set
the same channel as transmitter.
Set Channel selector switch to the
same channel as transmitter.
Receives no radio signal even
when distance to transmitter
is short.
Operation/battery indicator
remains steadily on.
Earphone plug is not fully inserted. Fully insert earphone plug.
9. IF YOU THINK THERE IS A FAILURE
URL: http://www.toa.jp/
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