perating and Installation
Here is a typical sequence from the time the
up to the time it completes its first
LED is mostly used to indicate the status of the radio and the network whereas
LED indicates the progress of the call.
After a reset all future calls start at Step
LED will start flashing once per second.
powered up and initialized for communications. If this is successful the
LED’s flash rate will double.
the radio registers with the network the
LED’s flash rate will double again if the signal strength is less than 3 bars or will triple for
signal strength of 3 bars or more.
The unit will start a call sequence
LED continues to flash the
When the unit has established a data connection to the network the
When the unit has gained access to the internet
When the unit establishes a connection with the data collection system (
LED’s intensity will increase
Once the call has completed both LEDs will return to flashing rapidly.
LED’s flash rate will reduce as the data and network connections are
At the end of a successful call
an error code will be displayed twice. A call will be attempted again
using the retry strategy defined by you
See the next section for a list of error codes.
LED returns to the slowest flash rate as the radio is being powered down.
Both LEDs are turned off when the unit enters its “sleep” mode.