
Belt-Pack
Transmitter
Belt-Pack
Receiver
PH-01
BM-103
Instruction Manual
Wireless Assistive Listening System /
Oral multi-languages translating system /
Tour Guide System
ET/ER218-2 / ET/ER218-3
ASSISTANT LISTENING SYSTEM
ASSISTANT LISTENING SYSTEM

1. 3.5 mmØ mcirophone input jack for transmitter and earphone
input jack for receiver.
2. Power switch: Power on / Power off.
3. Volume Control: Adjusted by turning clockwise to the volume
adjustment knob.
4. Power indicator: The red light indicator will be flash once when
turn it on. The red light indicator will be solid red when the
batteries are almost out of power.
5. Channel selector: Channel 2 / 3.
6. Battery chamber cover: To put batteries in and take out from this
chamber cover.
7. Battery compartment: AAA x 2(UM-4). Align the negative or
positive polarities properly.
When inserting the batteries. Remove the batteries when not been
used for a long period of time to keep the batteries life longer.
Options: Headset or Lavaliere microphone.

Transmitter / Receiver
This unique unit has been certificated by FCC/CE/R&TTE/ based on
its frequency range between 160MHz~250MHz, built-in 2/3 selectable
channels with max.
It is also suitable used for synchronized interpretation /outdoors
teaching, the tour guide system/assistive listening system / sound
wireless transmission system...etc. as its multipurpose use, it is also
perfectly performed with its acoustic fidelity and dexterous size for
conveniently carried, and comes with optional charger sets on its
respective quantities based.
English
Germany
Spanish
Chinese
Japanese
France
T3
C
T4
D
T1
A
T2
B
T5
E
T6
F
R1
R2
R3 R4
R5
R6
R6
R5
R4
R3
R2
R1
R6
R5
R4
R3
R2
R1
Optional: Charger sets RC-08 (8 pieces) .

Specifications
SENRUN ELECTRONICS CO., LTD.
ECEN ELECTRONICS CO., LTD.
No.26-13-1, Fongle Road, Beitun District,
Taichung City, 40673,Taiwan, R.O.C.
TEL:+886-4-2422-3369
FAX:+886-4-2422-4360
http://www.ecen.com.tw
Model ET-218-2/3 ER-218-2/3
Microphone Type Condenser type
Oscillation Mode Crystal
Carrier Frequency Range VHF 160~250MHz
Channel 2 / 3 channel
S/N Ratio 80dB overall
Spurious Emission <-50dBc
Power Output Max 10mW
Currency Consumption 40mA±10mA 30mA±10mA
Sensitivity -90dBm±2dBm
Deviation ±15KHz
Stability <±0.005%
T.H.D. <0.5% (At 1 KHz)
Frequency Response 100Hz~15KHz (±3dB)
Antenna Built in
Operation Range 60m
Battery Life 8~10 hours
Audio Input 3.5mm jack
Dimension(HxWxD)mm 88x61x22mm
Weight 60g
Battery AAA x 2(UM-4)