Yaesu Musen 10584720 Users manual
FCC ID: K6610584720
IC ID: 511B-10584720
Operating Manual
VX-820/870 series Operating Manual
SAFETY TRANING INFORMATION
This Radio has been tested and complies with the Federal Communications Commission
(FCC) RF exposure limits for Occupational Use/Controlled exposure environment. In
addition, it complies with the following Standards and Guidelines:
- FCC 96-326, Guidelines for Evaluating the Environmental Effects of Radio-Frequency
Radiation.
- FCC OET Bulletin 65 Edition 97-01 (1997) Supplement C, Evaluating Compliance with
FCC Guidelines for Human Exposure to Radio Frequency Electromagnetic Fields.
- ANSI/IEEE C95.1-1992, IEEE Standard for Safety Levels with Respect to Human
Exposure to Radio Frequency Electromagnetic Fields, 3kHz to 300 GHz.
- ANSI/IEEE C95.3-1992, IEEE Recommended Practice for the Measurement of Potentially
Hazardous Electromagnetic Fields-RF and Microwave.
WARNING:
This radio generates RF electromagnetic energy during transmit mode. This radio is
designed for and classified as Occupational Use Only, meaning it must be used only
during the course of employment by individuals aware of the hazards, and the ways to
minimize such hazards. This radio is not intended for use by the General Population in an
uncontrolled environment.
CAUTION:
To ensure that your expose to RF electromagnetic energy is within the FCC allowable limits
for occupational use, always adhere to the following guidelines:
- This radio is NOT approved for use by the general population in an uncontrolled
environment. This radio is restricted to occupational use, work related operations
only where the radio operator must have the knowledge to control its RF exposure
conditions.
- When transmitting, hold the radio in a vertical position with its microphone 1 to 2
inches (2.5 to 5 cm) away from your mouth and keep the antenna at least 1 inch
(2.5cm) away from your head and body.
- The radio must be used with a maximum operating duty cycle not exceeding 50 %, in
typical Push-to-Talk (PTT) configurations.
DO NOT transmit for more than 50 % of total radio use time (50 % duty cycle).
Transmitting more than 50 % of the time can cause FCC RF exposure compliance
requirements to be exceeded.
The radio is transmitting when the red LED on the top of the radio is illuminated. You can
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Vertex Standard Co., Ltd.
FCC ID: K6610584720
IC ID: 511B-10584720
Operating Manual
cause the radio to transmit by pressing the PTT button.
- DO NOT transmit when the radio is used in Body Worn configuration with the following
accessory: belt-clip.
It must be used ONLY for (1) there is a 4 cm distance from the body during transmitting,
(2) monitoring purposes, using the speaker only and (3) for carrying purposes.
- Always use VERTEX STANDARD authorized accessories.
The information listed above provides the user with the information needed to make him or
her aware of RF exposure, and what to do to assure that this radio operates with the FCC
RF exposure limits of this radio.
Electromagnetic Interference/Compatibility
During transmissions, this radio generates RF energy that can possibly cause interference
with other devices or systems. To avoid such interference, turn off the radio in areas where
signs are posted to do so.
Do not operate the transmitter in areas that are sensitive to electromagnetic radiation such
as hospitals, health care facilities, aircraft, and blasting sites.
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Vertex Standard Co., Ltd.
1,Controls & Connectors
LED Indicator
Glows Green: Scan active
Blinks Green: Busy Channel (or SQL off)
Glows Red: Transmit
Blinks Red: Battery Voltage is low
Antenna Jack
PTT (Push to Talk) Switch
Monitor Button
Lamp Button
CH (Channel) Selector
FCC ID: K6610584720
IC ID: 511B-10584720
Operating Manual
VOL/PWR Knob
LCD (without VX-821/871 version)
SEL KEY (TOP)
MIC/SP Jack (External MIC/SP)
Speaker
Main Microphone
Battery Pack Latch
16-Button DTMF Keypad (VX-829/879 version only)
4-Button DTMF Keypad (VX-824/874 version only)
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Vertex Standard Co., Ltd.
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