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Gemini VHF-04HHM Parts & Operation Manual
Gemini VHF-04HHM Parts & Operation Manual

Gemini VHF-04HHM Parts & Operation Manual

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Wireless Microphone
Model Name:VHF-04HHM
FCC ID:ZRIVHF-04HHM
PARTS DESCRIPTION & OPERATION
1. Unscrew the battery cover at the end of the microphone. Install the provided
9 volt battery and then close the cover. Make sure to connect with the correct
polarity.
2. Move power switch to ON position. Power LED indicator will flash once and
then go off. This indicates correct operation. If power LED indicator lights
red, this indicates the battery is Iow. Please replace new battery.
3. Move power switch to center to mute the microphone.
4. If the microphone is not going to be used for a long period of time, please
take out the battery to prevent damage by battery leakage.
SPECIFICATION
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 Output:
Spurious Emission:
Power Supply:
Power Dissipation:
Operating Range:
Operation Temperature:
Quartz Controlled
dB
179.0MHz
30ppm
e
FM
±75kHz
>100dB
>60dB
80~20000Hz at ±3
≤0.5%
Dynamic Microphon
rea)
50μs
Built-in housing
<10mW
>40dB
One 9V Battery
<250mW
30m(line and sight a
-20℃~50℃

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Summary of Contents for Gemini VHF-04HHM

  • Page 1 Wireless Microphone Model Name:VHF-04HHM FCC ID:ZRIVHF-04HHM PARTS DESCRIPTION & OPERATION SPECIFICATION Oscillation Mode: Quartz Controlled 179.0MHz Frequency : 30ppm Frequency Stability: Modulation Mode: ±75kHz Maximum Deviation: Audio Dynamic Range: >100dB S/N: >60dB 80~20000Hz at ±3 Frequency Response: ≤0.5% T.H.D: Mike Capsule:...
  • Page 2 IMPORTANT REGULATORY INFORMATION This device complies with Part 15 of the FCC Rules: Operation is subject to the following two conditions: 1. This device may not cause harmful interference and 2. This device must accept any interference that is received, including any interference that may cause undesired operation. WARNING: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.