==== Advanced parameter criteria area ==== [[Image:QueryPanel_advancedparam2.png|left]] Enables the user to specify additional selection criteria to be used during the flight selection. Some special fields are defined; '''QNH''', this field may contain a number, or an logical expression, the use of greater than (>) and lesser than (<) is also allowed. Valid is; 1022 1022 OR 1023 1022,1023 >1021 >1021 AND <1025 '''Number of Tracks''', this field may contain a number, or an logical expression, the > and < symbols are '''not''' supported. Valid is; 1 1 OR 2 1,2,4
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