Instruction/ maintenance manual of the product C841M-A Pelco
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INST ALLA TION/OPERA TION V A6200 Series Sequential Switcher C841M-A (7/02).
2 C841M-A (7/02) LIST OF ILLUSTRA TIONS Figure Page 1 Jumper Settings - V A6200 Series ............................................................................................... ....................................................................
C841M-A (7/02) 3 IMPORT ANT SAFEGUARDS AND W ARNINGS Prior to installation and use of this product, the following W ARNINGS should be observed. 1. Installation and servicing should be done only by qualified service personnel and conform to all local codes.
4 C841M-A (7/02) INST ALLA TION 1. Remove the cover from the switcher . 2. Set the jumpers as required for your application. Refer to Figure 1 and T able A. 3. Replace the cover . 4. Place the unit on a flat surface or install it in an equipment rack using the appropriate rack-mount kit.
C841M-A (7/02) 5 Table A. Jumper Settings - VA6200 Series Jumper Position Function JP1 - JP20 A Camera input terminated (75 ohms) B Camera input looping (high impedance) JP23, JP24, JP25, JP26, JP28, .
6 C841M-A (7/02) Figure 2. Fixed Cameras with Terminated Inputs Figure 3. Fixed Cameras with Looping Outputs.
C841M-A (7/02) 7 Figure 4. Movable Cameras with Terminated Inputs and Coaxitron Control Figure 5. Movable Cameras with Looping Outputs and Coaxitron Control.
8 C841M-A (7/02) Figure 6. Connector Assembly.
C841M-A (7/02) 9 OPERA TION T o operate the VA6200 Series Switcher: 1. Plug in the power cord. 2. Select the monitor by pushing the MON 1 or MON 2 button. 3. Press a camera button to view video from the corresponding camera. SEQUENCING T o run a sequence: 1.
10 C841M-A (7/02) DWELL TIME The time between switching from one camera to another is known as the dwell time. The dwell time can be set differently for each camera or it can be set the same (global) for all cameras on a monitor . T o check the dwell time: 1.
C841M-A (7/02) 11 ALARMS The alarm inputs must be enabled or disabled if you connected alarms on the switcher to them. T o enable or disable alarms: 1. Press the MON 1 button. 2. Press the recessed ALARM switch. The switch toggles the alarm inputs on and off.
12 C841M-A (7/02) TROUBLESHOOTING PROBLEM SOLUTION No power Check the fuse . Video output quality poor Check jumper settings (Refer to Figure 1, T able A). (Examples: Squiggly video, poor contrast, picture not centered) Locked system or sequencing not working as desired Reset the switcher .
C841M-A (7/02) 13 SPECIFICA TIONS VIDEO Inputs: T erminating (75 ohms) or looping (high impedance) NTSC and PAL compatible Outputs Monitor 1: 75 ohms Monitor 2: 75 ohms; half duplex (Coaxitron ® compatible).
14 C841M-A (7/02) GENERAL Construction Chassis: Steel, zinc plated Cover: Steel, textured black enamel Panel: Aluminum, with LEXAN ® overlay Dimensions V A6204 Series: 1.75 (H) x 5.50 (W) x 9.25 (D) inches (4.44 x 13.97 x 23.49 cm) V A6208 Series: 1.
C841M-A (7/02) 15 REVISION HISTORY Manual # Date Comments C841M 12/99 Original version. C841M-A 7/02 Updated manual to new format. Removed reference to alarm breakout panel. PRODUCT WARRANTY AND RETURN INFORMA TION Pelco, the Pelco logo, Camclosure, Esprit, Genex, Legacy , and Spectra are registered trademarks of Pelco.
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If you already are a holder of Pelco C841M-A, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Pelco C841M-A.
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