VX410/420 Series
Operating Manual
1/9
Vertex Standard Co., Ltd.
VX-410/420 Series Operating Manual
Important Notice!
FCC RF Exposure Compliance Requirements for Occupational Use Only:
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.
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 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 (Parts # CP7064001).
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.