Operating Manual Reprint

Key Function

The VX-420 series provides programmable [A], [B],

[C], and [D] function keys, and both the series

and series provide programmable and switchs. These “Soft” keys functions can be customized (set to other functions), via programming by your VER- TEX STANDARD dealer, to meet your communications/ network requirements. Some features may require the pur- chase and installation of optional internal accessories. The possible Soft key programming features are illustrated below, and their functions are explained in the next chap- ter. For further details, contact your VERTEX STAN- DARD dealer.

For future reference, check the box next to each func- tion that has been assigned to the Soft key on your partic- ular radio, and keep it handy.

Function

 

Soft Key (Press / Press and Hold)

[A]

[B]

[C]

[D]

Side 1

Side 2

 

Monitor

/

/

/

/

/

/

Squelch Off

/

/

/

/

/

/

Low Power

/

/

/

/

/

/

 

 

 

 

 

 

 

Lock￿

/

/

/

/

/

/

 

 

 

 

 

 

 

Lamp￿

/

/

/

/

/

/

 

 

 

 

 

 

 

Channel Up￿

/

/

/

/

/

/

 

 

 

 

 

 

 

Channel Down￿

/

/

/

/

/

/

 

 

 

 

 

 

 

Scan

/

/

/

/

/

/

 

 

 

 

 

 

 

Follow-Me Scan

/

/

/

/

/

/

 

 

 

 

 

 

 

Dual Watch

/

/

/

/

/

/

 

 

 

 

 

 

 

Talkaround

/

/

/

/

/

/

 

 

 

 

 

 

 

Add/Del￿

/

/

/

/

/

/

Reset

/

/

/

/

/

/

Speed Dial

/

/

/

/

/

/

Tx Save Off

/

/

/

/

/

/

Call 1

/

/

/

/

/

/

Call 2

/

/

/

/

/

/

Call 3

/

/

/

/

/

/

 

 

 

 

 

 

 

Code Select￿

/

/

/

/

/

/

 

 

 

 

 

 

 

Code Up￿

/

/

/

/

/

/

 

 

 

 

 

 

 

Code Down￿

/

/

/

/

/

/

 

 

 

 

 

 

 

Emergency

– /

– /

– /

– /

– /

– /

 

 

 

 

 

 

 

Group

/

/

/

/

/

/

 

 

 

 

 

 

 

ACC 1

/

/

/

/

/

/

 

 

 

 

 

 

 

ACC 2

/

/

/

/

/

/

 

 

 

 

 

 

 

Play

/

/

/

/

/

/

 

 

 

 

 

 

 

Record

/

/

/

/

/

/

Encryption

/

/

/

/

/

/

 

 

 

 

 

 

 

￿

Description of Operating Functions

Monitor

Press (or Press and hold) the assigned Soft key momentarily to disable the Tone squelch.

Squelch Off

Press (or Press and hold) the assigned Soft key to disable the Noise and Tone squelch. Again press (or Press and hold) the assigned Soft key to resume normal (quiet) Noise and Tone squelch action.

Low Power

Press (or Press and hold) the assigned Soft key to set the radio’s transmitter to the “Low Power” mode, thus extending battery life. Press (or Press and hold) the assigned Soft key again to return to “High Pow- er” operation when in difficult terrain.

When the radio’s transmitter is set to “Low Pow- er” mode, the “Low” icon will be indcated on the display.

Lock

Press (or Press and hold) the assigned Soft key to lock the Soft keys (except Lock key); thus, the [A], [B], [C], and [D] keys can be disabled to prevent ra- dio settings from being disturbed.

Lamp

Press (or Press and hold) the assigned Soft key to illuminate the LCD for five seconds.

Channel Up

Press (or Press and hold) the assigned Soft key to switch to a higher operating channel number.

Channel Down

Press (or Press and hold) the assigned Soft key to switch to a lower operating channel number.

Scan

The Scanning feature is used to monitor multiple channels programmed into the transceiver. While scanning, the radio will check each channel for the presence of a signal, and will stop on a channel if a signal is present.

To activate scanning:

Press (or Press and hold) the assigned Soft key.

The scanner will search the channels, looking for ac- tive ones; it will pause each time it finds a channel on which someone is speaking.

To stop scanning:

Press (or Press and hold) the assigned Soft key. Operation will revert to the channel to which the CH knob is set.

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Vertex Standard VX-410 service manual Monitor, Squelch Off, Low Power, Lock, Lamp, Channel Up, Channel Down, Scan