Dm-141a, Dm-145, Dm-145gcr – Atec Videotek-DM-141A,DM-145,DM-145GCR,DM-154,DM-192 User Manual

Page 2: Eatures

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®

DM-141A

800-883-8839 fax: 817-529-0745 Visit us on the Worldwide Web: www.megahz.com [email protected]

MegaHZ

DEMODS &

MONIT

ORING

F

EATURES:

• 154 channel tuning (VHF/UHF/Cable)
• HRC/IRC tuning capability via wide

range fine tuning

• Random access, search or up/down

channel selection

• Front panel Cable/Antenna selection
• Frequency synthesized channel selection
• Synchronous detection
• Stereo presence indicator
• Front panel LED channel display
• Controls for video gain, audio gain and

balance on front panel

• Front panel memory retained for one

week in event of power loss

F

EATURES:

• 154 channel tuning (VHF/UHF/Cable)
• Simultaneous stereo and SAP audio

outputs

• HRC/IRC tuning capability via wide

range fine tuning

• Random access, search or up/down

channel selection

• Front panel Cable/Antenna selection
• Frequency synthesized channel selection
• Synchronous detection
• SAP and Stereo presence indicators
• Front panel LED channel display
• Controls for video gain, audio gain and

balance on front panel

• Front panel memory retained for one

week in event of power loss

F

EATURES:

• One GCR corrected output

(video out #2)

• 154 channel tuning (VHF/UHF/Cable)
• Simultaneous stereo and SAP audio

outputs

• HRC/IRC tuning capability via wide

range fine tuning

• Random access, search or up/down

channel selection

• Front panel Cable/Antenna selection
• Frequency synthesized channel selection
• Synchronous detection
• SAP and Stereo presence indicators
• Front panel LED channel display
• Controls for video gain, audio gain and

balance on front panel

• Front panel memory retained for one

week in event of power loss

The most affordable model in our family, the

DM-141A

receives “off-air” or CATV

signals, processes these signals and provides two buffered composite baseband video outputs.
Additionally the DM-141A provides balanced stereo audio outputs which may be monitored
via the front panel speaker. Ideal for uses where quality video and stereo audio reception is
required. The DM-141A is used in headends, studios and remotes for monitoring and
retransmission applications.

DM-145

Like the DM-141A, the next model in the Videotek demodulator series, the

DM-145

,

is perfect for broadcast and cable applications and adds the capability of providing both
stereo audio and SAP (Second Audio Program) outputs. Second language programming,
emergency alert, or radio simulcasting are a few of the applications that require full time
SAP audio.

DM-145GCR

Like the DM-145, the next model in the Videotek demodulator series, the

DM-145GCR

, is

perfect for broadcast applications where the added capability of Ghost Cancellation
Reference (GCR) correction to the Video output is needed. Correcting for ghosts from +3 to -
42 µsec.

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