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Resumen del manual
Preset: Use this key to access the preset menu. The preset menu allows you to preset all of the instrument parameters to factory defaults. Esc: Use this key to escape a function setup or parameter entry that has been initiated, but is not desired. 0,1,2...9: Use these keys for entering numerical values. +/-: Use this key for changing a value’s numerical sign. .: Use this key for entering a decimal point. Back Space: Use this key for clearing an active entry. Enter: Use this key for entering the data or executing a function. Figure 3-4. Numeric Keys MS278XB OM Instrument Overview Front Panel Overview Connectors The front panel connectors consist of the following: • Probe Power Port: This port supplies power to your power probe. Table 3-2 shows the probe power port pinout. Table 3-2. Probe Power Port Pinout Pin Description 1 +15 Vdc at 130 mA 2 Ground 3 -12.6 Vdc at 45 mA • Tracking Generator Output Port: Not used at this time. • RF Input Port: Ruggedized N-style connector, +30 dBm @ 50., MAXIMUM ZERO (0) Volts DC from 100Hz to 8GHz input. Table 3-3. RF Input Port Pin Description 1 Outer Shield and Screw Fastener 2 Center Pin •Source Output Port: Not used at this time. MS278XB OM Front Panel Overview Instrument Overview DVD-ROM/CD-RW Drive The DVD-ROM/CD-RW drive is capable of reading digitally stored data on a variety of CD media. The drive is also capable of writing digital data to CD-R and CD-RW media. You can use either 12 cm or 8 cm diameter media. The DVD-ROM/CD-RW drive supports ATA Packet Interface (ATAPI), revision 2.6. Performance specifications for the drive are listed in Table 3-4. Table 3-4. DVD-ROM/CD-RW Performance Specifications Function Compatible Read Disk Types Specification CD-DA, CD+(E)G, CD-MIDI, CD-TEXT, CD-ROM, CD-ROM XA, MIXED MODE, CD-I, CD-I BRIDGE (PHOTO-CD, VIDEO-CD), CD-R, CD-RW, and MULTISESSION (PHOTO-CD, CD EXTRA, PORTFOLIO), DVD-ROM (DVD-5, DVD-9, DVD-10, DVD-18), DVD-R (VER 1.0 and 2.0), DVD-RW (VER 1.1), DVD-RAM (VER 2.1) Compatible Write Disk Types CD-R and CD-RW of types listed above Compatible Write Format Disk at Once Track at Once Session at Once Packet Write Data Capacity (write) Mode 1: 2048 Bytes/Block 656.5 Megabytes/Disk Mode 2: 2336 Bytes/Block 748.8 Megabytes/Disk Access Time DVD-ROM: 100 ms DVD-RAM: 170 ms CD-ROM: 90 ms Maximum Read Speed CD-ROM: 24 Times DVD-ROM: 8 Times Maximum Sustained Data Transfer Rate (read) CD-ROM Mode 1: 3600 Kilobytes/sec. CD-ROM Mode 2: 4104 Kilobytes/sec. DVD-ROM Single: 10,820 Kilobytes/sec. Maximum Write Speed CD-R: 24 Times CD-RW: 4 Times (10 times for high speed CD-RW media) Maximum Rotational Speed 5100 RPM (CD-ROM, CD-R) Data Buffer Capacity 2 Megabytes Caution: Do not use storage media that is of the incorrect type, such as improperly formatted CDs. Do not insert more than one disk at a time into the drive tray. Do not use excessive force when loading or ejecting disks. Failure to follow these cautions could result in loss of data or damage to the equipment. Manually Ejecting the DVD-ROM/CD-RW Drive Tray If the CD-RW drive tray fails to eject, a paper clip can be used to release the tray for manual ejection. Warning: Before proceeding, power down the instrument and remove the power cord from the rear panel power receptacle. 3-10 MS278XB OM Instrument Overview Front Panel Overview 1. To release the drive tray, insert a 1.0 mm diameter paper clip into the manual release hole as shown in Figure 3-5. 15 mm 1.0 mm Diameter Figure 3-5. Manually Ejecting the CD-RW Drive Tray 2. Gently slide the tray open and remove your disk from the drive tray. 3. Remove the paper clip and carefully slide the drive tray completely closed. If the drive tray does not slide smoothly, or there is excessive resistance, the mechanism may be damaged and in need of service from an authorized Anritsu service center. MS278XB OM 3-11 Graphical User Interface Overview Instrument Overview 3-3 Graphical User Interface Overview This section provides descriptions of the front panel graphical user interface, here forth referred to as the GUI. The GUI is the LCD touch screen that can be accessed through direct touch or with a pointing device such as a mouse. Figure 3-6 shows an annotated GUI. Figure 3-6. MS278XB Graphical User Interface The major elements displayed on the LCD screen are the: • MS-Windows style Drop-down Menu Bar • Main Menu Bar • Graticule and Measurement Setup Information • Graticule and Data Display • Main Menu Bar with Sub-menu Trees • Instrument Messages and Status Bar Warning: Do not use sharp objects, such as a pen or pencil, to touch the screen as damage may result. 3-12 MS278XB OM Instrument Overview Graphical User Interface Overview Drop-down Menu Bar The drop-down menus along the top of the screen conform to MS-Windows standards. They provide consistent application interfacing as that found in standard MS-Windows applications. In addition, there are menuselections that allow you to activate the major/minor functions found on the front pane...