Appendix A – Product Specific BCS Commands
35
Instruction Manual – BCS Basic Control Structure Protocol
Precis LT
Precis LT models support the following items:
General Commands and Conditions
Executing and disconnecting switches (see page 6 and page 7)
Verifying signal status (see page 8)
Specific Commands and Conditions
The Precis LT uses Level 1 for video and Level 2 for audio. To route video or audio signals
separately, enter Level 1 for video only or Level 2 for audio only. Precis LT
does not
recognize Level 0 (
L0)
as part of a BCS command. To achieve the equivalent of routing
signals on Level 0 (audio-follow-video), either omit the level command, (
CI3O8T
) or enter
both level numbers by entering a space between each number (
CL1 2I3O8T
)
Does not support audio commands
Does not support global or local preset commands
Does not support using a colon “
:
” to designate a range of destination numbers in multiple
number entries. To designate a range of numbers, insert a space between each number in the
range
Precis SD
Note:
This section also applies to any Precis (500 MHz) models built before the Precis SD was
released.
Precis SD models support the following items:
General Commands and Conditions
Executing and disconnecting switches (see page 6 and page 7)
Verifying signal status (see page 8)
Executing local presets – predefined in XNConnect (see page 10); this product supports
64 local presets
Defining and executing global preset (see page 11); this product supports 64 global presets
Error Code Reporting (see page 41)
Specific Commands and Conditions
Precis SD models with front control panels will accept BCS commands while the panel is
locked, but BCS commands cannot be used to unlock the front panel
Executing local presets – predefined in XNConnect (see page 10)
Supports auxiliary commands
Supports diagnostic commands
To designate a range of numbers: enter the first number in the range, followed by
a colon “
:
”, and then enter the last number in the range
Supports limited error code reporting. An “
E
” appearing as the result of a Status command
indicates a communication failure between the CPU and the control panel. To establish
communication, use the control panel to execute a switch or power down and then power up
the system