Axel Macrotel DIGITAL Manuals

Operating manual (Rel. 1.1) Via Caduti Di Sabbiuno 6/F • 40011 Anzola Emilia • Bologna • Italy  +39 051 736555 • Fax. +39 051 736170 e-mail: [email protected] • web site: www.axeltechnology.com Macrotel DIGITAL DIGITAL STUDIO TELEPHONE HYBRID Macrotel DIGITAL Pag. 2 Macrotel DIGITAL Pag. 3 CONTENTS 1 INTRODUCTION ....................................................................................................................................................4 1.1 MAIN FEATURES.............................................................................................................................................4 2 EQUIPMENT DESCRIPTION...............................................................................................................................5 2.1 FRONT PANEL..................................................................................................................................................5 2.2 REAR PANEL....................................................................................................................................................6 3 WIRING AND CONNECTIONS............................................................................................................................7 3.1 AUDIO INPUT (SEND).....................................................................................................................................7 3.2 AUDIO OUTPUT (RECEIVE AND REC OUT).....................................................................................................8 3.3 REMOTE INTERFACE .....................................................................................................................................9 3.4 TEL LINE CONNECTION ................................................................................................................................9 3.5 PHONE SET CONNECTION ..........................................................................................................................10 3.6 HEADPHONES JACK.....................................................................................................................................10 4 SETTINGS ..............................................................................................................................................................11 4.1 DIP SWITCHES SETTING..............................................................................................................................11 5 OPERATION..........................................................................................................................................................13 5.1 TRAINING THE TELEPHONE ECHO CANCELLER...................................................................................13 5.2 TRAINING THE MIX-MINUS........................................................................................................................13 6 BLOCK DIAGRAM...............................................................................................................................................14 7 TECHNICAL SPECIFICATIONS .......................................................................................................................15 8 WARRANTY ..........................................................................................................................................................15 Macrotel DIGITAL Pag. 4 1 INTRODUCTION Macrotel Digital is a single line digital telephone hybrid, especially designed to fit all TV and radio station requirements. With the variety of telephone systems in the world today, from cellular mobile phones to analog and to digital, it’s increasingly difficult to have all callers sound the same on-air in a broadcast environment. The Macrotel Digital uses digital signal processing (DSP) technology to continually adapt to telephone-line conditions and to deliver the maximum isolation between the send and receive audio (> 55 dB). With no echo and no "bottom of the barrel" sound, the Macrotel Digital is thus ideal when the very best audio quality and uniformity is required for talk shows, news feeds, production, recording studios, and even internet applications. Several functions (selectable from front panel DIP switches) greatly expand its operation. Automatic gain control (AGC) allows each call to be delivered at the same level. Built-in caller Ducking stage reduces the caller's audio level when the announcer speaks. Auto mix-minus feature allows easy installation to consoles with no mix-minus capability. Additionally, the hybrid can automatically answer the telephone line after the first ring and automatically disconnect it after the caller hangs up. The REC Output can be configured to contain a mix of send and caller audio or caller audio only. In accordance to mainland Europe, USA, Canada, and UK compliance standards, the Macrotel Digital is perfect for your telephone application. 1.1 MAIN FEATURES • Crystal clear, consistent audio quality • Continual adaptation to POTS line conditions • Best isolation between Send and Receive audio • Selectable caller control (ducking) • Worldwide compliant • Full Remote control • Selectable mic / line level input • Selectable automatic mix-minus • Selectable AGC on Receive signal • Selectable auto-answer / auto-disconnect