Important Notice - Vertex Standard VXA-300 Operating Manual

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.
Always use Vertex Standard authorized accessories.
This SMA jack accepts the supplied flexible antenna, or another antenna designed to
provide 50 Ω impedance on the Aircraft Communication Band.
You may connect the supplied CT-60 Headset Cable or the (optional) MH-44A4B
Speaker/Microphone to this jack.
Never connect any Speaker/Microphone that is not recommended by the manufacturer.
Because these jack connections are unique, using a Speaker/Microphone that is not
specified by Vertex Standard may damage the VXA-300.
Turn this (inner) control clockwise to turn the radio on and to increase the volume.
Counterclockwise rotation into the click-stop will turn the radio off.
Pressing this knob downward momentarily selects the tuning methods among the VFO
(Variable Frequency Oscillator), MR (Memory Recall), BOOK (Pre-Programmed Memories),
and WX (Weather Channel Memories) mode.
Note: The WX mode is available in the USA version only.
This (outer) 20-position detended rotary switch tunes the operating frequency or selects the
memory channels.

Important Notice!

Controls & Connectors (Top Panel)
Antenna Jack
MIC/EAR Jack
POWER/VOLUME (Inner) Knob
DIAL Selector (Outer) Knob
2/21
FCC ID: K6610573X20
IC ID: 511B-10573X20
Operating Manual
Vertex Standard Co., Ltd.