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Related Manuals for Contemporary Research QDA4-45
Summary of Contents for Contemporary Research QDA4-45
- Page 1 Product Manual QDA4-45 RF Amp/Combiner May 1, 2014...
- Page 2 Rack Mounting ............................ 6 RK2 Dual Rack Kit with Tie Bar Mounting ....................6 RK1 Single Unit Rack Mount ........................6 RK2 – Cases together ........................6 Locking Safety Instructions ..........................7 Limited Warranty and Disclaimer ....................... 8 Contemporary Research QDA4-45...
- Page 3 Combiners. Inputs can be switched between one or four inputs, with selectable gain. The compact QDA4-45 mounts two across in a single rack space using CR RK1 and RK2 rack kits, and can be mixed with QMOD HDTV modulators using the same rack kits. The units are wholly designed and manufactured in the USA.
- Page 4 CTB: Composite Triple Beat -60 dB, 134 channels at +44 dBmV per channel Noise: Noise Figure 4.5 typical Return Loss: 17 dB typical Includes Options PS12-1 1 A 12 VDC power supply RK1 Rack Kit for single unit, 1 RU RK2 Rack Kit for dual units, 1 RU Contemporary Research QDA4-45...
- Page 5 TVs can receive the channel at about 29 dB. However, if the RF level to TVs is too high, the TVs can respond as if there is no signal. 2-Way Operation The QD4-45 is not designed for 2-way operation, but that could be performed using 2 sub-channel diplexers. Contemporary Research QDA4-45...
- Page 6 3. Reinstall the bottom/chassis of the first unit underneath its cover and attach with just eight (8) of the screws removed in step 1. 4. Attach short rack ears to the side and towards the front of each unit with the four (4) supplied 8-32 by 1/4" (black) countersunk screws. Contemporary Research QDA4-45...
- Page 7 If the video product is dropped or the cabinet is damaged. When the video product exhibits a distinct change in performance, this indicates a need for service. Contemporary Research QDA4-45...
- Page 8 Limited Warranty and Disclaimer Contemporary Research Corporation (CR) warrants this product to be free from defects in material and workmanship under normal use for a period of two years from the date of purchase from CR. Should such a defect occur CR will repair or replace, at their option, the defective product at no cost for parts or labor.
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