Holland-electronics HDM-1 Manuel d'utilisateur télécharger pdf

HMD

Frequency Agile Mini Demodulator

HMD SPECIFICATIONS:

RF Input Channels VHF: 2-13; UHF: 14-69;

CATV 2-99, (STD)

HRC 1-99

Input Level Requirements -15 to + 25 Db mV

Noise Figure 6dB

Video Output Level .5 – 1.5Vpp

S/N 60 dB

Differential Gain 5%

Differential Phase 5 Degrees

Audio Output Level .5 – 1.5V

Distortion 1 %

Flatness ± 1 dB (50Hz-15kHz)

Electrical & Power Required 12VDC

Mechanical

Weight: 3 lbs.

Connectors F Type/RCA

Installation Instructions

1. Slide HMD unit into HMR rack.

2. Plug one end of the brown and black wired jumper to the +12V IN jack of the HMD. Plug the other

end of the black and brown wired jumper to the 12 VDC power source.

3. Connect the RF signal to be demodulated to the RF IN port on the back of the HMD.

4. Press the U/V / CATV / HRC button to select the proper input channel mode.

The L.E.D. display will show

1 solid dot for U/V mode

2 solid dots for CATV mode

1 solid dot and 1 blinking dot for HRC mode

5. Use the UP and DOWN buttons to select the channel to be demodulated.

6. Connect the AUDIO OUT and VIDEO OUT ports to the respective baseband audio and video inputs

of a television/monitor or testing analyzer.

7. Adjust the VIDEO trimpot on the front of the HMD to get the required video power output.

8. Adjust the AUDIO trimpot on the front of the HMD to get the required audio power.

9. Disconnect AUDIO OUT and VIDEO OUT ports.

10. Connect AUDIO OUT and VIDEO OUT to headend system.

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IMPORTANT!! 2

Résumé du contenu

Page 1 -

HMD Frequency Agile Mini Demodulator HMD SPECIFICATIONS: RF Input Channels VHF: 2-13; UHF: 14-69;

Page 2 - IMPORTANT!!

IMPORTANT!! WARNING: Holland Electronics does NOT represent this product to be WATERPROOFED. To reduce risk of electrical shock, fire hazard, or d

Page 3

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Holland-electronics HDM-1 Manuel d'utilisateur

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