IBM 4685-K03 - Manual (Page 25)

Chapter 3 “Operating the keyboard”
This chapter explains the operating procedures and the functions of the parts.
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System keys
The system keys are used to input system functions, which are run under the control of a
program. Regarding the usage of these keys, please refer to the operating manual in your
store or call your system representatives.
The layout of the system keys is shown in the following chart.
System keys
S1
S2
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Volume adjustment
The volume adjustment adjusts the speaker volume when keys are pressed. To maximize
the volume, turn the volume adjustment control all the way to the right. To minimize the
sound, turn it all the way to the left.
Chapter 3 Operating the keyboard 9
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