CASELLA CEL CEL-490 Manual de instrucciones descargar pdf (Pagina 10)

2.2 Remote Communication Via Modem

With Up To 8 Sound Level Meters

This type of communication is used to control or download remote

sound level meters.

2.2.1 Configuring the Software for Modem

Communication

Communication with up to eight sound level meters is possible when

they are connected via GSM (Global System for Mobile communications)

modem. When the PC has an internal modem, this must be configured

to be seen as a serial modem connected directly to one of the available

COM ports on the PC.

It is not necessary to have any sound level meter connected to

the PC while configuring modem communication by entering GSM

contact phone numbers and modem settings as follows.

1. Start dB23 by double clicking on the icon in the CEL Soundtrack

Program Group or from the Windows Start Menu.

The main application screen will be displayed.

2. Configure the communication settings by selecting the

COM Port... option from the Instrument menu.

The Change COM port dialog allows the COM port, Baud rate

and Stop bits settings to be configured.

3. Select the COM port to which the external modem is connected.

4. Select a Baud rate of 9600 for communication with GSM

modems (NOT the rate of 115200 more commonly used for

direct communication with a PC).

5. Select either 1 or 2 stop bits, as when communicating with a PC

it makes no difference which option is selected.

6. Select OK to accept the settings and close the COM port dialog.

The settings will be stored and retained for further dB23 sessions.

7. Configure the modem settings by selecting the Modem... option

from the Instrument menu.

Establishing Communication

CEL-dB23 Users Handbook - Page 11

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CASELLA CEL CEL-490 Manual de instrucciones Pagina 10