Protocol Command; Troubleshooting - Barco RLM W12 Service Manual

3. TROUBLESHOOTING

3-1. RS-232 Protocol Command
The RS-232 Commands use only ASCII characters which can be entered using a typical
terminal emulator like Windows HyperTerminal with the following setting:
Note that each input character will be echoed on the terminal by MCU and there is no
need to set the local echo "ON" with the terminal setting.
System Operation commands.
The Operation commands tell the projector what to do. All commands start with 2 letters:
finally the value wants to read, set, increase or decrease. All commands must end with a
carriage return (ASCII hex 0D), shown as [CR] below. The syntax for operations
commands is as follows:
op[SP]<operation command>[SP]<Setting Value>[CR]
Execute functions the response will be the same command. All responses will be in
CAPS. Please refer to the following table for command list and examples:
System Operation command:
Operation
Set
Get
Increment
Decrement
Execute
Bits per second: 115200
Data bits: 8
Parity: None
Stop bits: 1
Flow control: None
, and a space [SP] then following a control command then
Commands
= <value>
Makes the unit take that value.
?
Asks what the current value is.
+
Adds 1 to the current value.
-
Subtracts 1 from the current value.
(none)
Performs an action such as a reset.
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Values