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APIcom Instruction Manual Configuration
In addition, most of API’s instruments have a password protection capability in which the instrument will
only accept commands after a password has been submitted. This security feature must be used
carefully with modems. The problem is that while the modem is answering an incoming call, it sends
status messages such as “RING” and “CONNECT” to the instrument, to which the instrument responds
“MUST LOG ON” if the security mode is enabled. These messages sent by the instrument may cause
some modems to hang up during the call. So the modem must be configured, using the MODEM_INIT
setup variable, to not issue responses to the instrument if the security feature is used. This is
accomplished in some modems with the AT command “Q1”.
2.4. Global Options
Global application settings can be accessed by selecting Settings-Options or the toolbar button.
This dialog is tabbed because it contains several categories of settings (refer to the following figure).
Figure 2-3: Global Program Options Dialogs
Global APIcom program options are stored in the computer’s registry. See Section 1.6 for installed
registry keys. The global options are summarized in the table below.
Table 2-2: Global Options
Tab Property Description
General Load previous
network
configuration on
startup
If checked, APIcom will attempt to open the network configuration
file it was using previously. If APIcom cannot open the file —
because the file has been moved or renamed — it will issue an
error message and the file will have to be opened manually using
the File-Open menu or the
toolbar button.
05499 Rev. A 2-4