Machine Modes - IBM 3164 ASCII Manual

Chapter 5. Programming considerations
Machine modes
5-10
In its original mode, the IBM 3164 operates in the Default Color mode which
is compatible with the IBM 3163. You can change between the Default Color
mode and the Program Color mode by using the Set Control 2 command.
Program Color mode supports the attributes for eight colors. The IBM 3164
returns to the Default Color mode whenever there is a power-an-reset (POR)
sequence or when you return from the IBM 3101 mode to the IBM 3164
mode using the Set Control 1 command.
A POR sequence is performed under any of the following conditions:
• Power on
• The terminal exits from the test mode or from the setup mode
• The Reset-to-Initial-State (RIS) command is received from the host
• A parameter (ECHO, CHAR, BLOCK, Machine mode) is changed by the
Set Control 1 command.
At power-on, the POR sequence together with the self diagnostic test takes
about 5 seconds and the DTR signal on the main port stays off during this
period. After every POR sequence, data in the various buffers are cleared and
the terminal is reset to the default state.
As mentioned earlier, the IBM 3164 can also emulate the IBM 3101 mode by
specifying the IBM 3101 mode using the Set Control 1 command or the setup
menu.
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