Delta DIGIVOX-2 Bedienungsanleitung

DIGIVOX-2 INTERFACE FOR DIGITAL BROADCASTING

DIGIVOX-2 is a passive, power-independent system that connects a computer to a radio.

It is designed for digital modes that use the sound card as a modem.

Interface features

•allows you to connectany VHF/UHF or KF radio with a PC

•works very well with handheld radios, e.g. Baofeng

•provides full and complete galvanic separation between radio and computer (600V)

•does not require external power supply

•you don't need a serial or USB port. Connection to the computer is only through the audio I/O of the sound

card

•works with most computer programs designed to broadcast digital Packet,PSK31, RTTY, SSTV, FAX, etc.

•works very well with the Winlink Ekspress program (e-mail using radio waves), which allows you to send

messages in the absence of internet using a gateway (e.g. Poznan SR3WLK) or directly (peer -to-peer)

Schematic diagram:

When a sound signa of appropriate amp itude appears on the audio output of the sound card (SP),

the Q1 transistor is opened, causing the DIGIVOX-2 PTT output to short to ground.

I ustrative connection diagram:

Connection:

•"PC AUDIO" slots

"SP" – connect to the headphone/speaker output of the sound card

"MIC" - we connect to the microphone input of the sound card

•"TO RADIO" connectors

"SP" – connect to the radio audio output (speaker or headphone output)

"MIC" – we connect in the microphone input of the radio

"GND" – we connect with the mass of the radio

"PTT" – output for PTT control (open collector)

•Potentiometer

"RX" – adjusting the audio level of the radio

"TX" - adjusting the audio level of the suond card

Recommendations, safety of users:

•Remark! Since the audio signal from the computer should have a minimum level of 0.8Vpp, it is

recommended to set the volume of the speaker on the computer to 100%

•we recommend using cheap external USB sound cards. In older computers, laptopswith built-in internal sound

cards can cause unstable system performance

•read the radio manual carefully before connecting to the interface. In some cases, the PTT connection may

require a resistor

•the interface requires appropriate cables to connect to the radio and sound card. These cables must be made by

yourself

•How to connect the Baofeng UV-5R radio to the DIGIVOX-2 interface can be found on the last page of the

instruction

Technica specifications:

Work mode passive

Connector type „PC AUDIO” 2 x Jack 3,5mm, fema e, stereo

Connector type „TO RADIO” 4 X cab e termina

PTT output type OC, max. 30V / 300mA

PTT switch time 20ms

PTT Off time 5ms

Minima va ue od audio signa 600mV RMS

Ga vanic separation 600V

Operationa temerature -20 °C ... 55 °C

Dimensions 118 x 30 x 59 mm

Weight 95g

Warranty 24 months

Waste e ectrica and e ectronic equipment must not be disposed of together with ordinary

househo d waste. According to the EU WEEE Directive, separate disposa methods must be used for

waste e ectrica and e ectronic equipment.

Manufacturer:

DELTA-OPTI Monika Matysiak, 60-713 Poznań, u . Graniczna 10, Po ska

www.de ta.poznan.p

RoHs

How to connect the Baofeng UV-5R radio with DIGIVOX-2 interface with menu settings.

Recommended radio settings

Baofeng UV-5R for digital transmissions.

MIC

3.5mm

2.5mm

UKF

SQL 0

TXP HIGH

VOX OFF

WN NARR

TDR OFF

BEEP OFF

TOT 600

R-DCS OFF

R-CTCS OFF

T-DCS OFF

T-CTCS OFF

VOICE OFF

PTT-ID OFF

BCL OFF

STE OFF

RP-STE OFF

RPT-RL OFF

ROGER OFF

Samp e connection

using DIGIVOX-2 modem

Interfejs

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