Q: |
What is the RS232 command to retrieve the projector's temperature status? |
A: |
The RS232 command to retrieve the projector's temperature status is WLEVEL?. This command can be added to a Crestron or AMX command string, or can be used in a Windows HyperTerminal session connected directly to a projector's DB9 serial port using a NULL serial cable or a NULL serial adapter attached to a straight-through PC serial cable. If you are using a laptop with only USB ports, you will need to use a USB-to-DB9 serial adapter with an assigned com driver. Select the com driver to use in HyperTerminal.
To set up HyperTerminal, do the following:
- Click Start or
, and select Programs or All Programs, then Accessories and Communications.
- Select HypterTerminal.
- If this is your first time launching HyperTerminal, you will see this screen:

- Enter a name for your connection and choose an icon, then click OK.
- In the Connect using field, select COM1 and click OK.
- On the next screen, enter the settings shown in the fields below and click Apply, then OK

- Click File, then Properties, and select the Settings tab.
- Choose the settings shown below and click ASCII Setup.

- Choose the settings shown below and click OK.

- Click OK again.
- Press the Enter key on your keyboard and you should see a : prompt. Type WLEVEL? and press Enter. You should see the projector's temperature status. The temperature status codes are:
| Code |
Description |
| T01 |
Normal Temp (Low) |
| T02 |
Normal Temp (Middle) |
| T03 |
Normal Temp (High) |
| T04 |
High Temp alarm |
| T05 |
Hight Temp Error (Overheating) |
- When you are ready to exit HyperTerminal, click File and Exit.
|
Published: August 10, 2012
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