Commodore 128 - To Enter C128 Mode Wh; Switc Hing between 40 and 80 Columns

To select 80 column display:
• Make sure that you are using
an
RGBI monitor or a 1901
dual monitor
• If you are using the
1901 dual
monitor, ensure that
it is set to
RGBI
on the video switch and
POS DIGITAL on the RGBI
switch (see the
1901 's user
manual)
• Make sure that the 40/ 80 key
is depressed
• Switch the disk drive off
• Switch the computer on
• Switch the disk drive
on
To enter C128 Mode from CP / M Mode, the computer must first be switched
off. The above instructions are then followed
to switch it on again in C128
Mode. To enter C128 Mode from C64 Mode, press the Reset Switch.
Switching Between 40 And 80 Columns in C128 Mode
If you are using an RGBI monitor together with a TV set or composite
monitor, or
if you are using the 1901 dual monitor, you can switch between
40 and 80 column displays. To do this, press the ESC key and then the X
key. If you are using the
1901 dual monitor, set this to the correct setting for
the screen mode you have selected.
22