AS201R
UHF - PLL 16-Channel switchable Tour
Guide and wireless microphone system.
AS201R Beltpack receiver
Page - 1 -
Introduction
Thank you for choosing this UHF - PLL 16 Channel
switchable tour guide and wireless microphone system
AS201R. This manual includes the complete functions and
operations of the tour guide and wireless microphone
systems. Please read this manual carefully in order to
operate and use the system to its fullest potential.
Descriptions of functions
AS201R Beltpack receiver
1. Channel selector
2. Rx LED indicator
3. Power switch & volume adjuct
4. PL LED indicator
5. Earphone tube output
6. Earphone 3.5mm output jack
7. 3.5mm Aux output jack
8. DC input & recharging jack
9. Belt clip
10. Battery box
11. Recharging bottom contacts
12. Battery cover
AS201R Beltpack receiver
Page - 2 -
Installation and operation
Inserting the batteries into the transmitter.
Open the battery cover by pushing the open mark and
sliding the cover down. Insert two 1.5V AA type dry cell
batteries or two 1.2V AA size NiMH rechargeable batteries
into the battery box. Match the battery terminals marked
“+” with the “+” on the label in the battery box.
Charging the batteries.
Use either charger AS402C, AS412C, AS436C or AS450C to
recharge. Simply place the receiver into the charger slot.
The recharging bottom contacts will connect to the charger
for fast charging. Usually full-charged batteries can be
used for approximately 10 hours.
Warning:
Do not place the receiver with Alkaline (type dry cell)
batteries into the charger.
AS201R Beltpack receiver
Page - 3 -
AS201R Receiver operation.
1. The receiver has one switch only for power and
volume adjustment. Turn the switch clockwise to
active the receiver and adjust volume. Turn counter-
clockwise to deactivate the receiver and minimize
volume. When turning on the receiver, the PL light
will flash one time red, this indicates that the receiver
is functioning normally.
2. After switching on the power, the RX light turns
green, this indicates that the RF signal is received
normally.
3. The RX light turns red if the batteries are low and
need to be recharged or replaced soon. The reception
still can function for approximately 30 minutes. If the
batteries run out the RX light turns off and the PL
light turns red, this indicates that the receiver stops
functioning and the batteries need to be recharged or
replaced.
4. Use the channel selector with 16 pre-programmed
frequencies (0 to 9 and A to F) to select the channel
to transmit.
5. Use an earphone with 3.5mm input jack. When the
earphone is not connected the build-in speaker is
activated and sound can be heard directly from the
receiver.
6. Use Aux out when the receiver will be used for
amplification applications.
AS201R Beltpack receiver
Page - 4 -
Maintenance
Avoid excessive heat
Don’t leave the receiver in the hot sun, on a radiator or
near other sources of high temperature.
Avoid rough handling
The receiver may be damaged if dropped.
Fully charged batteries
Before storing, fully recharge the batteries.
If possible recharge batteries once a month during storage
and again before first use.
Remove batteries
Remove the batteries when storing the unit for 3 months
or longer.
Battery terminals
Keep the contacts clean and inspect them often to ensure
that they are not corroded. If they become corroded,
polish them with a pencil eraser.
AS201R Beltpack receiver
Page - 5 -
Trouble shooting
Problem
Solution
No power
Check if the power switch is
turned on.
Turn off the unit and check if the
batteries run out or are not
installed properly
No sound
Check if the transmitter and the
receiver use the same channel.
Check if the volume of the
transmitter or receiver is too low.
Check if the distance between
transmitter and receiver is too far.
Check if the transmitter and the
receiver are too close to metal
objects.
Sound interference
If there are two or more
transmitters in use, select
different channels for each
transmitter.
Check if there are other
transmitters near by and change
to a different channel.
Aux distortion
Check if the volume level of the
transmitter is too high or too low.
AS201R Beltpack receiver
Page - 6 -
Feature
1. AS201R receiver, with build-in speaker, works with an
earphone. Aux out can be connected with an amplifier
for amplification applications.
2. AS201R receiver can use a DC+5V switching adapter
to provide power and can use chargers (AS402C,
AS412C, AS436C or AS450C) for recharging internal
batteries.
3. applicable occasion;
Tour guide
Museum and factory visit
Oral multi-languages translating system
Journalist V8 voice recording
Audio - visual language teaching
Assist wireless amplification system
Assistive listening systems
Personal induction loop systems
AS201R Beltpack receiver
Page - 7 -
Specifications
AS201R Beltpack receiver
Carrier frequency
range
863~865 MHz
Frequency
16 Pre-programmed switchable
frequencies
Frequency response
150Hz ~ 7kHz (Earphone out)
150Hz ~ 12kHz (Aux out)
Dynamic range
>80 dB
T.H.D.
<2%
Tone squelch
Tone key (Squelch) control
muting circuit
DC in
5V (with 2.5mm jack)
Current drain
65mA (No load)
Antenna
In side loop antenna
Operating range
up 45 ~ 65 meters (open field)
Operating temp.
-10°C ~ +60°C
Battery
1.2V (NiMH 1300mA)*2AA
rechargeable battery
1.5V*2AA Alkaline disposable
Dimensions (L*W*H)
98 * 66 * 27mm
Weight
98gram (without batteries)
RoHS
conform
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