In addition to chat mode, most BBS's allow users to leave special messages for the sysop. Local Snoop means that when a caller connects, the BBS or Host system screen shows exactly the same screen that the logged in user is seeing. A sysop can then monitor how and what the user is doing. These should be readily accessible and in a single keystroke or mouse click away and written in the simplest form. These include bps rate, number of data bits, type of parity checking, and number of stop-bits.
Some software packages provide default settings.
Also called data upload. Downloading is the process of transferring from a remote host system to the local disk drive. Also called data capture. This protocol uses either CRC or checksum error checking. If the sender does not acknowledge the first three requests for CRC, the receiver shifts to the checksum mode and continues its request for transfer using checksum as the error checking.