Deister Electronic GmbH UDL120 사용자 설명서
7.2.2 Configuration mode of Bluetooth™ module
Configuration of the Bluetooth™ module takes place via Bluetooth™ interface. The
following parameters can be adjusted:
following parameters can be adjusted:
transmitting power of the Bluetooth™ module
The Bluetooth™ module needs to be switched into the configuration mode first in order to
change any of its settings. In order to do so, three consecutive quotation marks („!!!“) need to
be sent with a time difference of 100 ms between each other using the Bluetooth™ interface.
This can be done for example by help of the Windows program Hyperterminal, which can
access the Bluetooth™ module on the PC using the virtual serial interface.
change any of its settings. In order to do so, three consecutive quotation marks („!!!“) need to
be sent with a time difference of 100 ms between each other using the Bluetooth™ interface.
This can be done for example by help of the Windows program Hyperterminal, which can
access the Bluetooth™ module on the PC using the virtual serial interface.
In order to leave the configuration mode the following command
ATO<Enter>
needs to be sent to the module. After any configuration process a Reset is required.
7.2.3 Transmitting power
The Bluetooth™ module can be configured for a transmitting power between -27 dBm and
+6 dBm. The current transmitting power can be requested by using the following command
+6 dBm. The current transmitting power can be requested by using the following command
ATS541<Enter>
Configuration of the transmitting power is carried out using the command
ATS541?=m<Enter>
The parameter m can be configured with a value between -27 und +6. Changed settings
become active immediately but are only stored within the volatile memory. In case the
module can not be accessed any longer due to an incorrectly adjusted transmitting power,
the original value can be restored by switching the reader on and off.
become active immediately but are only stored within the volatile memory. In case the
module can not be accessed any longer due to an incorrectly adjusted transmitting power,
the original value can be restored by switching the reader on and off.
If all changes of the settings are correct, the configuration has to be transferred into the
non-volatile memory by using the following command
non-volatile memory by using the following command
AT&W<Enter>
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lo_udl120_io_en
V08/07/09
UDL120