Installation & Setup
19
Precis LT Instruction Manual
3. Plug the other end of the serial cable into the serial port on the serial controller.
4. Open the serial communication software and set the port settings to
match the Precis LT settings (see the table to the right).
The settings on the PC serial communication software and the
enclosure must correspond to each other. If a change is required to
make them match, change the PC’s settings.
Caution: To avoid system damage, follow the power-up sequence on
page 26. We recommend attaching all power cords to surge
protectors and/or AC line conditioners.
5. If not already on, apply power first to the Precis LT enclosure and then to the source and destination
devices (see “Applying Power & Startup” on page 26).
6. Setup and run the desired method of control:
AMX Control Device – For control programming information, see the instruction manual for
the specific interface.
APControl 3.0 – Install and open the program from the AMX AutoPatch CD (if your AMX
account has the required permissions, the program can be downloaded from www.amx.com).
From the APControl Launchbar menu, select System / New; select Heritage System / Next;
select Manual Configuration Entry / Next; enter VMs and number of inputs and outputs; click
Add VM / Next; finish Wizard instructions.
Terminal emulation (HyperTerminal) – Open the program, select the COM port, and check
that the settings match those in the Precis LT Control Port Settings table (see above).
Click OK.
A short splash screen appears.
7. Execute a test switch to ensure the Precis LT is working properly (see “Executing a Test Switch,” on
page 28).
Precis LT
Control Port Settings
Baud Rate 9600
Data Bits 8
Parity None
Stop Bits 1
Flow Control None
serial port settings
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