BSL PRO Software Guide - Biopac

Acquisition Functions 87Chapter 7Channel PresetsIn addition to the Preset specific settings, each Parameters dialog includes: Channel Number, Channel Preset, Channel Label,Source, New Channel Preset, and Scaling features, which are detailed here:Channel NumberThis is the selected analog channel or the destination channel for a calculation. Itcorresponds to the Channel in the Setup Channels dialog.Channel Preset The Channel Preset entry lists the Preset that was selected from the Presets menu. Ifyou edit this field the “New Channel Preset” button will automatically be activated.Channel LabelThis is a modifiable description of the Preset parameters. Any change you make here willbe reflected in other label displays for that channel, such as the graph window label ordialog box channel label.SourceCalculation channels onlyThis is the source channel for the calculation. The source channel defaults to CH1 but canbe changed via the pull-down menu. Source options includes any Analog channels beingacquired and any enabled Calculation channels. The units of the Source channel aredisplayed for easy reference.The Math and Function calculations use two source channels and the Expressioncalculation can use multiple source channels.IMPORTANT!Calculation Presets can only work in conjunction with Analog input presets, or with othercalculation channels that are ultimately pointing to an Analog source channel. You mustpay close attention to Source Channel and choose it carefully.New ChannelPreset buttonThe New Channel Preset button will be activated if you change the Channel Preset entry.When you click it, the newly named preset will be added to the menu available to everychannel. If you change other settings but keep the Channel Preset entry the same, thechanges only apply to the selected channel and the original Preset settings will be applied ifyou select the Preset from the menu again (for any channel).Scaling… buttonWhen you click the Scaling… button, a Change Scaling Parameters dialog will begenerates for the selected channel. Scaling is explained in detail beginning on page 674.See Calibration Guidelines on page 6290.