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Фрагмент инструкции
Re-insert the fuse box making sure that the side clips of the fuse box lock securely into place. 4.7 MOUNTING CAPABILITY The VA6834FC can be easily mounted into an equipment rack. Four mounting holes are provided on each side of the unit. To mount a single unit, use Altinex 19”-1U Rack Mount Ears (part # DA1294FC). To mount two units in tandem, use an Altinex 19”-1U Rack Mount Shelf (part # DA1293FC). For mounts under the table, optional brackets, such as theTM1271, TM1272, TM1273, or TM1274 can be used. 4.8 BANDWIDTH The typical bandwidth of the VA6834FC is 425 MHz. The minimum bandwidth is 350 MHz. This exceptionally high bandwidth allows the passing of the third harmonics of the video signal, thus maintaining the highest quality of the input signal. 7 APPLICATION DIAGRAM 5 APPLICATION DIAGRAM 5 INTERFACES INSTALLING YOUR INTERFACE 6 Step 1. Please attach the Interface on the rack using the provided rack mount hardware. The Interface can also be attached on top or under furniture using the optional TM Series Altinex brackets. Step 2. Before you plug in the power cord to the unit, please verify that the voltage rating of 110V/220V which is located on the FUSE CLIP at the rear of the unit is the same as the power outlet. (Refer to section 4-6 for changing voltage) Step 3. Connect one end of the input cable included with the Interface unit to the video output connector of your computer and other end to the computer input HD15 port of the VA6834FC. Step 4. If needed, connect the local monitor output HD-15 connector of the VA6834FC to the local monitor using the appropriate Altinex Local Monitor cables. It is not necessary to terminate this output with a termination plug if a local monitor is not being used. Step 5. Connect one end of a BNC cable to output 1 or 2 of the VA6834FC. Connect the other end to the RGB input on the projector or monitor. Usually either a 4 BNC or 5 BNC coaxial cable is used, depending on whether display devices require Composite SYNC or H&V SYNC signals. Step 6. Make sure that the dip- switches are set properly. For the desired sync output format, refer to section 7. Step 7. It is recommended that if the Interface horizontal position control is centered (turned OFF), the horizontal position of the image should be adjusted using the control provided by the monitor or projector. If still required, the image can be adjusted using the horizontal position control dial located on the front of the VA6834FC. CONGRATULATIONS! YOU ARE DONE. If you experience any problems, please call 1-800-258-4623 or 1-714-990-2300 for international calls. 8 INTERFACES OPERATION 7 The settings of the VA6834FC Interface can be adjusted using the dip-switches in Table 4. There are no other adjustments necessary to operate the unit. The VA6834FC will operate successfully as long as cables are attached properly and technical specifications are followed. DIP SWITCH OFF ON Serration X HV Output X Sync on Green X Termination X ID Bit X Not Used X Table 6. Dip switches default setting 7.1 SERRATION PULSE SWITCH Certain monitors and projectors will exhibit better stability when the serration pulse switch is ON. This switch is seldom used and in most circumstances should be turned OFF. 7.2 H&V OUT SWITCH When the composite sync channel is used and RGBS format is desired from the VA6834FC, the H & V OUT switch should be turned off. When this switch is turned on, the sync. The connector will output horizontal sync, but not composite sync. The horizontal sync can be connected to the sync connector and the vertical sync signal is connected to the vertical connector using the H & V OUT switch in the ON position. 7.3 I.D. BIT SWITCH Many computers use ID Bits or Sense Pins to recognize the connection of a monitor to its video output port. Often, these ID Bits will even allow the computer to recognize the type of monitor connected in terms of its scan rate compatibility. When the I.D. Bit switch is in the ON position, the VA6834FC allows the main ID Bit (pin 4 on the input connector) to be connected to the ground signal. This is used primarily when interfacing to laptop computers to imitate the presence of a local monitor. Typically, this recognition will take place during the boot up stage of the computer. If your computer does not output video, place the I.D. Bit switch in the ON position and reboot the computer. When in the OFF position, the ID Bit will be passed through the Local Monitor Output port. 7.4 SYNC ON GREEN OUTPUT SWITCH In some systems the ability of the VA6834FC to output Sync on Green can be a very helpful feature. It is important to know that the VA6834FC will not separate the sync signal from the green signal if the input is RGsB. It simply amplifies the composite sync signal and passes it through. The VA6834FC will combine the sync signal and the green channel to output a RGsB signal when the SYNC ON GREEN dip-switch is in the ON position even if the input is in RGBS or RGBHV format. If the desired output ...
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