PROAUDIO ELECTRONICS VHF 04BP User Manual

Body-worn Wireless Microphone

User Manual

Model Name：VHF‐04BP

FCC ID: ZRIVHF-04BP

Brand Name：PROAUDIO, PRO, GEMINI

OP ER ATI ON OF BODY PACK TRANSMITTER

MIC in jac k
Volume co ntr ol

MUTE

MIC

POWER

LOW HI

OFF

ON

1. Open the battery cover and insert a fresh 9V battery, observing the correct
polarity. And then close the cover.

2. Plug in either the clip-on or the headset microph one.

3. To use the clip-on MIC, attach it at chest level. Do not place t oo close to th e
mouth- a distance of about six inches usually works best. To use the h eadset
MIC, place it on the head and adjust the MIC boom so that the MIC is about
one inch to the side of the front of the mouth.

(Note : The clip-on or headset MIC wire is also the transmitting antenna.

Rolling up or shortening the wire may reduce the effective operat ing range.
Extend the wire fully during use and keep it as straight as possible.)

4. Turn on the transmitter by sliding the power switch to ON position. The
power LED indicator will give a single quick flash , indicati ng usable ba ttery
strength. In the case of a dead or low battery, the power LED either w ill not
go on at all or will stay on continuously, indicatin g that the bat tery shoul d be
replaced with a fresh one.

5. The RF indicator on the receiver should now be lit.

6. Adjust the volume control of body pack and/or volume control of the receiv er
to a comfortable listening level as desired.

7. If the m icrophone is not going to be used for a long period of time, please
take out the battery to prevent damage by battery leakage.

Power in dic ator
Power on /off and mu te switch

9V +

Belt

Batter y
Compar tme nt

Headse t MIC

Lavalier MIC

SP ECIFICATI ON

Oscillation Mode:
Frequency :
Frequency Stability:
Modulation Mode:
Maximum Deviation:
Audio Dynamic Range:
S/N:
Frequency Response:
T.H.D:
Mike Capsule:
Pre-emphasis:
Antenna:
RF Outp ut:
Spurious Emission:
Power Supply:
Power Dissipation:
Operating Range:
Operation Temperature:

Quartz Controlled

181.6MHz
30ppm
FM
±75kHz
>100dB
>90dB
80~20000Hz at ±3dB
≤0.5%
Dynamic Microphone
50μs
Built-in housing
<10mW
>40dB
One 9V Battery
<250mW
30m(line and sight area)

-20℃~50℃