What screen size should you use? If your screen size is too small, there may be a lot of meaningful information off to the right or bottom of your screen. Personally, I find 62x160 is a good size for all enhanced 3270UI uses. If your monitor is too small to comfortably accommodate that size (and getting more difficult with every birthday!), then 43x80 is good for *most* enhanced 3270UI uses. If there are workspaces with many subpanels or many thousands of rows of data (such as historical summary displays), 62x160 might be better for those occasions. See the documentation for your 3270 emulator on how to change your screen size. If using IBM Personal Communications, select the Communication pulldown -> Configure -> Session Parameters -> Screen Size.
Clicking on text or icons can be really helpful in navigating the enhanced 3270UI. Any text or icons that are white can be double-clicked on, as opposed to moving your cursor to the spot and pressing enter. Your emulator's documentation can tell you how to enable mouse clicks. If using IBM Personal Communications, select the Edit pulldown -> Preferences -> Hotspots, then check the "ENTER at cursor position" box and OK.
Customization: Once you logon to the enhanced 3270UI, you can customize the look and feel of your own session, and save those settings to persist across logons. For example, you can change the format of the date and time fields (US vs European formats, 12 hour vs 24 hour clock, etc), change your color preferences, and select to which fields you can tab, among other things. To set these, click on the Edit pulldown and select Preferences. You'll be presented with a tabbed dialog. Click on each tab and change the values that matter to you. Who says enhanced 3270UI box lines shouldn't be pink?! When you're done choosing your settings, click on the SAVE box to update your profile with the new settings.
Shortcuts: For us UNIX-types, saving keystrokes and clicks is a moral imperative, luckily the enhanced 3270UI provides several shortcuts. All the pulldown options can be driven from the Action line (the top left line) with mnemonics. For example, Edit -> Preferences can be entered on the Action line as E.P (not case-sensitive); View -> Workspace Source is v.w. You get the idea. If there's a pulldown that you find you use often, try its shortcut instead. There are some handy PF keys as well: PF4 displays any filters for a workspace so you can add or remove them, and PF12 retrieves a previous command. PF9 is great for navigating from one product to another - it displays buttons on the bottom of the page to take you to the launch point for each product installed. Instead of F9, there's always the Navigate pulldown, or the N mnemonic to get you there, too. Pick the shortcut that works best for you!
Check out h.c (Help -> Commands) for more helpful mnemonics!
This function is available with the OMEGAMON Performance Management Suite V5.3.0