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| Front and Rear Panel Features |
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| Front Panel Overview |
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7 |
| System Keys |
| Access features used with all analyzer modes and affect the state of the entire spectrum |
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| analyzer. |
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8 |
| Vol. Control/ |
| Not currently implemented. |
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| Earphones |
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9 |
| PROBE PWR |
| Supplies power for external high frequency probes and accessories (see “Accessories” on |
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| page 71). |
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10 |
| Marker Keys |
| Enable markers to obtain specific information about the displayed measurement. |
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11 |
| EXT TRIGGER |
| Enables you to externally trigger measurements. |
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| INPUT |
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12 |
| POWER |
| Turns the analyzer on. A green light indicates power on. A yellow light indicates |
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| ON/OFF |
| standby mode. |
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| NOTE | The |
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| (disconnecting device); the analyzer continues to draw power |
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| even when the line switch is in standby. Use the detachable |
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| power cord to disconnect the analyzer from the mains supply. |
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13 |
| Help Key |
| Press the Help key, then any other key to get a short description of that key and the |
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| associated SCPI command. The next key you press will remove the help window from |
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| the display. |
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14 |
| Window Keys |
| Next Window: On displays with multiple windows, changes the highlighted window that |
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| Zoom: Zooms in on the highlighted window. |
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| Rear |
15 |
| Keys |
| Move cursor between fields on the display. |
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| Navigation |
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| Panel |
16 |
| Return Key |
| Exits the current menu and returns to the previous menu. |
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17 |
| Data Controls |
| Change the numeric value of an active function. Entries appear in the active function |
| Features | ||
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| area of the display. Also see “Entering Data” on page | 37. |
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18 |
| Floppy |
| Accepts a 3.5 inch 1.44 MB floppy disk. |
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| Disk Drive |
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19 |
| RF Input |
| Input for an external signal. Make sure that the total power of all signals at the |
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| analyzer input does not exceed +30 dBm (1 watt). The E4446A, E4447A, and E4448A |
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| input connector is 2.4 mm. |
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20 |
| IF Input, 1st |
| Allows connections for external mixing (Option AYZ) |
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| LO Output |
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Chapter 2 | 25 |
