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cw403
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readme.1st
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1988-02-22
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I. THE \CW SUBDIRECTORY
If you do not create a subdirectory named \CW and place all the files
having a CW or HLP extension in it, you will get an I/O error! Read the
installation section in the manual or the file named INSTALL.DOC
II. SPEED CALIBRATION
Before you run CW you should calibrate the code speed to suit the clock speed
for your computer and to account for any memory resident programs which you
have loaded. Each time you change the memory resident program enviroment you
will need to recalibrate code speed. When doing so use the following procedure:
1. Select the <U>tilites command from the main menu.
2. Select the <A>uto Calibrate subcommand. This will automatically
provide an approximate calibration. For best results continue with the
following steps.
3. Select the <S>peed test subcommand.
4. Using a clock or watch with a sweep second hand, count the number
of times the standard word PARIS is sent in exactly one minute. Since the
calibration is done at 20 words per minute, you should count exactly 20
words sent in one minute if the calibration is correct. If exactly 20 words
are counted, then no further calibrations are necessary.
5. If the number of words and code speed do not match, then use the
<U>tilities command and <T>iming subcommand to set the timing constant.
Increasing the number slows the send speed down, and vice versa.
6. Repeat steps 1-4 until the code speed shown at the bottom of the
screen matches the number of words sent in one minute.
In counting the number of times PARIS is send, be sure to include the
last word space as part of the last PARIS. In other words, if you are
attempting to calibrate at 20 words per minute, start timing when the first
word is sent and stop timing when the 21st word starts.
On my Zenith Z-150 running at 4.77 MHz. and with no memory resident
programs installed, the timing factor is about 1220. With several memory
resident programs installed, the timing factor decreased to considerably less
than that (in the 600 range). For users of versions previous to 4.01, the
factor has increased about 100 in this version to the above figure, apparently
due to the greater efficiency of the Turbo Pascal 4.0 compiler.