Tandy DCM-7 Operation Manual page 31

Chapter 3
Command syntax
You can read the current value of a register or assign a new value to match
the registers to your particular environment by using the Sx? or Sx= n com-
mand syntax.
Sx?
Check the register value
To check the value of a register, use the Sx? syntax. The value of the registers
are displayed on the screen in qecimal numbers. For example, to check the
value of register 82, type:
AT S2? (ENTER)
On the screen, you will see -
043
OK
You can also check the values of plural registers in the same command line.
To check the values of register 83 and register 84, type:
AT S3? S4? (ENTER)
The screen might show:
013
010
OK
Sx=n
Change the register value
Use the Sx= n syntax to assign or change the value of a register. To assign
the value 3 to register SO, type: ·
AT SO= 3 ( l;N"fER)
After changing the value, the Modem signals OK. Another syntax for chang-
ing a
regis~er
value is:
AT SO (ENTER)
AT?
(ENTER)
AT= 3 ( EN"fER )
Set the pointer to register SO.
Read the value of SO.
Assign
th~
new value 3 to SO. ·
For more information on the registers, refer to Appendix B, Hayl'S protocol
reference.
25