Isotech TTI-7-R Operator's Handbook Manual page 63

Select [Chg] to enable Talk Only mode. At power up, Talk Only
Mode is disabled i.e. the interface is in full talk/listen mode. The
TTI-7-R will remain in Talk Only Mode until it is switched off or
until you select the [Chg] option again from this menu. All
incoming serial interface commands are ignored when Talk Only
Mode is operating.
2. Setting baud rate: To change the RS232 serial data transfer
rate, select [Baud Rate] from the [Rem I/F] menu. The screen
displays the current setting. Press the [Chg] option to alter this
setting.
Enter new Baud rate
The RS232 communications interface serial rate data transfer
options are: 75; 110; 150; 300; 600; 1200; 2400; 4800; 9600;
19200 baud. The factory default value is 9600 baud.
Enter the new baud rate using the numeric keys on the keypad
and then select [OK] to save this setting and return to the
previous menu. For example, to enter 19200, you press [1] [9]
[2] [0] [0]. If you enter a baud rate which is not recognised by the
TTI-7-R , it displays an error message and you need to repeat
the
procedure. deletes the entire data entry.
Serial transfer data format is fixed at:
Start bit
Data word length
Parity checking
Stop bit
XON/XOFF
1
8 bits
None
1
Not implemented
Operating the TTI-7-R
Quit OK
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