Operating Instructions - Snap-on Equipment
Operating Instructions - Snap-on Equipment Operating Instructions - Snap-on Equipment
PC Meters/GraphMenusFigure 3C-1: Manual Meters ScreenYou can change the value displayed in any meter box by using the drop-downmenu at the bottom of each box. Simply select the arrow to view the menu andchoose the value you want to display in that meter box.The Manual Meters screen contains three menus and a set of buttons:• Test Actions• Gas Bench• Tachometer• ButtonsTest Actions MenuThe Manual Meters Test Actions menu, top left on the Manual Meters screen,contains a save command, several commands that control recording and acommand to switch to the strip chart display.Save—Saves all values and displays them on the Single Save tab of the TestResults window. See the section below titled Manual Meters / Strip Chart Results.Start Recording—Begins recording all signals. The system stores all valuesduring the recording period.Pause—You can select Pause at any time. The Pause menu item suspends valuesfrom being updated, in effect it freezes the screen. If a recording is in progress, italso suspends recording. Select Pause a second time to resume.Stop Recording—The Stop Recording menu item is enabled only when arecording is in progress. Stop Recording ends the recording. When you selectStop Recording, the results of the recording are displayed in the Test Resultswindow. See the section below titled Manual Meters / Strip Chart Results.Strip Chart—Displays the Strip Chart view (discussed in the Strip Chart section).3C-2
PC Meters/GraphGas Bench MenuThe Gas Bench menu, top left on the Manual Meters screen, contains commandsthat control gas bench settings.Pump On—Turns the gas bench pump on or off. A check next to Pump Onindicates that the pump is on, no check indicates the pump is off.Zero—Activates the Gas Bench Zero process. Use this command if you want toverify that the analyzer reads properly when there is no gas present in the samplecell.✓ To perform an Auto Zero, the probe must be out of the tailpipe samplingfresh air.Fuel Type—Notifies the system what type of fuel the vehicle burns, which is usedto calculate the Dilution Correction Factor (DCF). The setting defaults to Gasolinebut you can select the appropriate vehicle fuel type. A check to the left of the fuelindicates the fuel type selected.GasolineMethanol / EthanolCompressed Natural GasLiquid Propane GasRefresh Rate—Contains settings for the Manual Meters display.Instantaneous (Default)— Displays readings as they happen5 Second Rolling Average— Calculates and displays an average every 5 seconds. (California ASMmandated averaging)Tachometer MenuThe Tachometer menu, top left on the Manual Meters screen, contains a singlecommand to set up the tachometer.The Setup command opens the Tachometer Configuration window.3C-3
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PC Meters/GraphMenusFigure 3C-1: Manual Meters ScreenYou can change the value displayed in any meter box by using the drop-downmenu at the bottom of each box. Simply select the arrow to view the menu andchoose the value you want to display in that meter box.The Manual Meters screen c<strong>on</strong>tains three menus and a set of butt<strong>on</strong>s:• Test Acti<strong>on</strong>s• Gas Bench• Tachometer• Butt<strong>on</strong>sTest Acti<strong>on</strong>s MenuThe Manual Meters Test Acti<strong>on</strong>s menu, top left <strong>on</strong> the Manual Meters screen,c<strong>on</strong>tains a save command, several commands that c<strong>on</strong>trol recording and acommand to switch to the strip chart display.Save—Saves all values and displays them <strong>on</strong> the Single Save tab of the TestResults window. See the secti<strong>on</strong> below titled Manual Meters / Strip Chart Results.Start Recording—Begins recording all signals. The system stores all valuesduring the recording period.Pause—You can select Pause at any time. The Pause menu item suspends valuesfrom being updated, in effect it freezes the screen. If a recording is in progress, italso suspends recording. Select Pause a sec<strong>on</strong>d time to resume.Stop Recording—The Stop Recording menu item is enabled <strong>on</strong>ly when arecording is in progress. Stop Recording ends the recording. When you selectStop Recording, the results of the recording are displayed in the Test Resultswindow. See the secti<strong>on</strong> below titled Manual Meters / Strip Chart Results.Strip Chart—Displays the Strip Chart view (discussed in the Strip Chart secti<strong>on</strong>).3C-2