Units m ft Press this submenu key to toggle the units setting to metric (meters, or m) or to U.S. (feet, or ft). Press Enter to accept the changes, or press the Esc key to return to normal operation without changing the setting. Trace Label On Off Press this submenu key to toggle the trace labels On or Off. Auto: Press this submenu key to set the Measurement Gain Range Mode to Auto. In this mode, the instrument adjusts the gain automatically to provide the best overall system performance (dynamic range and high level noise). Fixed: Press this submenu key to set the Measurement Gain Range Mode to Fixed. In this mode, the gain of the instrument is always set to the low gain setting. For most applications, Auto mode is recommended. For certain types of filter measurements (mostly in the range less than 500 MHz), the instrument may toggle between low gain and high gain modes as the signal level rises from the noise to the pass band of the filter, resulting in extra ripple. Setting the Gain Range to fixed might address that problem. Meas Menu Field VNA Press this submenu key to toggle between Field (a simplified subset of the standard VNA menu structure) and VNA (standard menu structure. Bias Tee Set up Int Voltage P2: Set the internal voltage in the range of 12 to 32 vdc. Int Current Limit P2: Set the internal current limit from 0 to 450 mA. Back Press this submenu key to return to the System Menu. |
Impedance 50 Ohm 75 Ohm Other Press this submenu key to toggle the impedance setting to 50 ohm, 75 ohm, or Other impedance value. Selecting 75 ohm selects the 7.5 dB loss of the Anritsu 12N50‑75B adapter. For other adapters, select Other and enter the appropriate loss. Bias Tee (Option 10 required) Opens the Bias Tee submenu. When turned on, the Bias Tee voltage and current are shown in the upper left corner of the display. Back Press this submenu key to return to the System Menu. |
Load DMR Patterns Press this submenu key to load additional DMR signal patterns into the instrument. Refer to Updating Signal Generator Patterns before continuing. Back Press this submenu key to return to the System Menu. |
Load P25 Patterns Press this submenu key to load additional P25 signal patterns into the instrument. Refer to Updating Signal Generator Patterns before continuing. Back Press this submenu key to return to the System Menu. |
Load P25p2 Patterns Press this submenu key to load additional P25p2 signal patterns into the instrument. Refer to Updating Signal Generator Patterns before continuing. Back Press this submenu key to return to the System Menu. |
Load NXDN Patterns Press this submenu key to load additional NXDN signal patterns into the instrument. Refer to Updating Signal Generator Patterns before continuing. Back Press this submenu key to return to the System Menu. |
Load PTC Patterns Press this submenu key to load additional PTC-ITCR signal patterns into the instrument. Refer to Updating Signal Generator Patterns before continuing. Back Press this submenu key to return to the System Menu. |
Load PTC Patterns Press this submenu key to load additional PTC-ACSES signal patterns into the instrument. Refer to Updating Signal Generator Patterns before continuing. Back Press this submenu key to return to the System Menu. |
Load TETRA Patterns Press this submenu key to load additional TETRA signal patterns into the instrument. Refer to Updating Signal Generator Patterns before continuing. Back Press this submenu key to return to the System Menu. |
Note | • This procedure requires firmware (Package Version) V1.14 or greater. • Updating the patterns could take up to an hour to complete. • For some applications, downloading the patterns makes the unit busy for as long as 15 minutes, but the process does not have to be closely monitored. |
Note | This process needs to be repeated for each LMR analysis mode where patterns need to be updated (i.e., P25, P25p2, NXDN, DMR, TETRA, PTC-ITCR and PTC-ACSES, etc.). |