6 190-00607-02 Rev CDetailed OperationTAS/TCAD TraffictcAd 9900B Menu optionsAltitude Option (Relative/Pressure)The Altitude option lets you select between relativeand pressure altitude in hundreds of feet. The Altitudeoption choice is shown in the upper left corner of thescreen. Relative altitudes are shown with a “+” or “-”,while absolute altitudes are shown as just a number.FilterAn altitude filter allows targets that are outside of a±2000’ vertical range to be filtered off the display. Thecurrent mode is shown in the upper left corner of thedisplay as “ALL” (no filtering) or “±2000” when thefiltering is active.VolumeThe volume of the TCAD voice alert can beadjusted by pressing the Volume button. This opens atext menu where a value from 0 – 10 can be entered.Approach ModeThe Approach Mode sends the approximate eleva-tion of the destination airport to the TCAD unit forApproach mode operations. See the TCAD operator’smanual for additional details.Mute DurationThe Mute Duration allows the duration of the mutecommand to be sent to the TCAD unit. See the TCADoperator’s manual for additional details.ShieldThis allows the current shield to be selected froma pop-up window. En Route, Unrestricted, Terminal,Ground, and Standard are the available modes. See theTCAD operator’s manual for additional details.Shield HeightsThis allows the shield heights to be adjusted for theEn Route, Standard, and Terminal shield modes. Seethe TCAD operator’s manual for additional details.Shield RangesThis allows the shield ranges to be adjusted for theEn Route, Standard, and Terminal shield modes. SeeTCAD operator’s manual for additional details.tcAd 9900BX Menu optionsAltitude Option (Relative/Pressure)The Altitude option lets you select between relativeand pressure altitude in hundreds of feet. The Altitudeoption choice is shown in the upper left corner of thescreen. Relative altitudes are shown with a “+” or “-”,while absolute altitudes are shown as just a number.FilterAn altitude filter allows targets that are outside of a±2000’ vertical range to be filtered off the display. Thecurrent mode is shown in the upper left corner of thedisplay as “ALL” (no filtering) or “±2000” when thefiltering is active.VolumeThe volume of the TCAD voice alert can beadjusted by pressing the Volume button. This opens atext menu where a value from 0 – 10 can be entered.Approach ModeThe Approach Mode sends the approximate eleva-tion of the destination airport to the TCAD unit forapproach mode operations. See the TCAD operator’smanual for additional details.Ground/Flight ModeThe GND/FLT mode commands the TCAD unitinto the corresponding mode. See the TCAD operator’smanual for additional details.