CONTROLS & CONNECTIONS

ANTENNA Jack

Connect the supplied rubber flex antenna (or another antenna presenting

a50-Ohm imped- ance) here.

PTT Switch

(“Push To Talk”)

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 “Alter- nate” key function of the keypad.

SPEAKER

T h e i n t e r n a l speaker is located hear.

MIC/SP Jack

This 7-pin miniature jack connects an optional MH- 74A7A Speaker Microphone or CT- 136 GPS Antenna Adapter.

KEYPAD

The 20 front panel key buttons select many of the most important operating fea- tures.

DIAL Knob

The main tuning Dial is used to set the operating fre- quency, and is also used for audio volume level, menu selections, and other adjustments.

MIC

The internal microphone is located hear.

LED Light

This white LED will glow (or flash) during “Emergency Channel” opera- tion. It can also be useful as a flash light in a dark environment via the Set Mode Item 50 LED LIGHT.

EAR Jack

This 3-contact miniature jack allows connection of stereo earphonesÚ.

With aftermarket earphones, you may enjoy stereo FM broadcasts.

EXT DC

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 briefly while the t r a n s c e i v e r i s t u r n e d “ o n ” t o toggle the key lockout feature “on” or “off”.

The functions of the keys are described in details on pages 4 and 5.

ÚSome stereo earphone plugs may not fit this jack, depending on the shape of the connection plug.

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VX-8R OPERATING MANUAL