Radio Shack TRS-80 Model II Reference Manual page 170

MODEL II TRSDOS
HERZ50
Set Up for 50 Hz AC power (non-USA users)
system
for
50
HZOD1'lraltiofll:
Hf::RZ50 lSi
a
[)o~·tIle.
This utility is provided for customers in areas where the AC power is 50 rather
than 60 Hz. It should not be used by any other customers.
HERZ50 is a Do-file that makes a few changes in the video display software of
TRSDOS. Only the drive zero diskette is changed. Be sure it is write-enabled
before you start the Do-file. Once the HERZ50 changes are done, they will
remain in effect for that diskette.
To perform the change, type underTRSDOS READY:
DO HERZ50
The program provides several opportunities for you to abort the process by
pressing 1:j;1#tj3. Pressing any other key during a pause will cause the
program to continue.
Once the change has been made, you will need to reset the system to put the
change into effect. This loads the new video display software into RAM.
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