When you enter a Manhattan classroom for the first time, you are brought to a page, a portion of which is shown below, that is used to enter some basic information about your course. On the same page, you are able to select the modules you want to use in your classroom. You can return to this screen as often as you wish to change the basic course information, or to change the modules that are enabled. As mentioned in Lines of Communication, Manhattan's modules each represent a different way of communicating with your students. Much of this user's guide is devoted to explaining how to best use Manhattan' s modules.

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You must enable at least one of Manhattan's 15 modules before students can enter the classroom. If a student attempts to enter the classroom before at least one module has been turned on, she will get a message that basically says "you've logged in correctly, but your teacher has not yet prepared your classroom". |
You'll note that for most of the modules, there are three choices:
Disable this module. This turns the module off completely. A button for that module will not appear in the Main Menu. If messages have already been posted to that module, they remain on the system and can be viewed again when the module is enabled.
Enable this module, and allow users to hide/unhide topics. This turns the module on, and a button for the module will appear in the Main Menu. When users enter the module, they'll have a few additional buttons and links that allow them to control which topics appear in the lists. When there are many topics posted in a module, it's helpful to 'hide' those that aren't needed at the moment. (See Hiding and Unhiding Topics for more information.)
Enable this module, but don't allow users to hide/unhide topics. This turns the module on, and a button for the module will appear in the Main Menu. The controls that allow users to temporarily hide topics, described in the previous bullet, will not be available. This is a good setting for modules that will only have a small number of messages, and/or for classrooms with younger students, or any students who you feel may miss course materials because they have hidden them.