FCC ID: K6620295X20
IC :511B-20295X20
Operating Manual
Vertex Standard Co.,Ltd.
2
Control & Connections
Antenna
Jack Connect the supplied rubber flex antenna (or another antenna
presenting a 50-Ohm impedance) here.
MIC/SP Jack
This 7-pin miniature jack connects an optional MH-74A6J Speaker
Microphone or MH-74 GPS receiver Speaker Microphone.
DIAL Knob
The main tuning Dial is used for setting the operating frequency, and is
used for audio volume level, menu selections, and other adjustments.
LED Light
This white LED glow (or flash) during “Emergency Channel” operation.
Also, this LED can be useful as a flash light in a dark environment via
the Menu Mode Item 55: LED LIGHT.
PTT Switch
Press this switch inward to transmit, and release it (to receive) after
your transmission is completed.
MONI Key
Pressing this key disables the noise squelching action, allowing you to
hear very weak signals near the background noise level.
VOL Key
Rotate the DIAL knob while pressing and holding this key to adjust the
audio volume level.
F/W Key
Pressing this key activates the “Alternate” key function of the keypad.
EAR Jack
This 3-pin miniature jack allows connection to stereo earphone.
When using after-market stereo earphones with this jack, you may
enjoy the FM broadcast band in stereo.
EXT DC Jack
This coaxial DC jack allows connection to an external DC power source
(10-16V DC). The center pin of this jack is the Positive (+) line.
PWR Switch
Press and hold this switch for 2 seconds to toggle the transceiver’s
power “on” and “off”.
Press this switch momentarily while the transceiver is turned “on” to
toggle the key lockout feature “on” or “off”.
Speaker
The internal speaker is located hear.
Keypad
These front panel’s 20 keypads select many of the most important
operating features on the VX-8R.
These functions of the keys are described in details on pages 4 and 5.
MIC
The internal microphone is located hear.