DRAKE 1002387A Buku Petunjuk - Halaman 5

Jelajahi secara online atau unduh pdf Buku Petunjuk untuk Konverter Media DRAKE 1002387A. DRAKE 1002387A 8 halaman. Digital up-converter

1. Place the units into the appropriate Drake micro-modular chassis by sliding the unit into the retaining rails.

a. It is recommended to physically place one Down-converter and one up-converter next to one another in the chassis,

if applicable in your installation.

2. Connect the IF source, typically from a DDC864A down-converter to the IF 'F' connector of the DUC864A.

3. Connect the RF 'F' connector of the DUC864A to the appropriate combining device.

4. Connect to the power supply using one of the power supply cables.

The DUC864A unit is intended to accept any digital IF signal and process it to any channel from 54-864 MHz. The unit has

4 valid operating modes, STD CATV, IRC, HRC & Broadcast UHF/VHF. It comes factory set to operate in Standard CATV

Mode. If you wish to change the operating mode skip to the Operating Mode Selection section.

1. Navigate to the desired channel number by depressing the CH

a. Continue past 99 for channels 100-135, the +100 LED will illuminate.

b. Press and hold the CH

2. Press the ENTER button when you reach the desired channel setting. This will tune the up-converter output to the

corresponding frequency for this entry.

a. The LED display will blink continuously during the channel programming process and will not change the output

channel until the ENTER button is depressed.

b. The unit has a special feature that alerts an operator of an inadvertent or desired change to the unit by flashing LED

readout. The LED will continue to flash for 30 seconds if the ENTER button is not depressed and if no additional

entries are made then the readout will return to the display of the previously programmed channel entry setting.

PROGRAMMING RF LEVEL

1. Depress the RF Level

a. The unit has a specified adjustment range of +35 dBmV to +45 dBmV output. The unit software however, will permit

entries from +33 to +47 dBmV, the out of range entries of 33-34 & 46-47 dBmV are meant for usage to correct any

display error, allowing the unit to be operated in the specified range.

ATTENTION: It is also recommended to set the output level to +45 dBmV for optimum noise performance and externally

attenuate down to a desired level.

2. Press the ENTER button when you reach the desired channel setting. This will tune the up-converter output to the

corresponding frequency for this entry.

a. The LED display readout will also flash continuously during the RF Level programming process. The LED display

will continue to flash for 30 seconds if the ENTER button is not depressed and then will return to the display of the

previously programmed channel entry setting.

Setting Up the Unit

UP or

DN arrow button for fast scrolling.

UP or

DN buttons to increment or decrement the RF output level to the desired setting.

UP and

DN buttons.

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