LX20G_Manual_en_v2.1
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10.6.
FIRMWARE UPDATING
During programming bootlader operating is indicated. If error follows during
updating there is bootloader in device and another programming of device is
possible.
Description
LED Diodes
Green (A)
Red (D)
No program in
device
(1/sec)
Software updating
Received firmware
decoding
10 sec
10.7.
SIM CARD ERROR
In case of SIM card problems, device states this with A and B LEDs
LED diode
Signalling
Green (A)
Red (D)
10.8.
SYSTEM ERROR
During operating errors may follow. Any error is indicated by constant flashing of a
red diode and mostly it means communication problem with modem or SIM card.
10.9.
GSM SIGNAL QUALITY
Press the “GSM signal” button to get information about GSM/GPRS signal. Quality of
the signal will be shown on the LEDs A – D as follows:
a)
if signal quality is less than 3 or there is no coverage of GSM network, then
LED D will be lit
b)
if signal quality is greater than 3 or equal to 3, then LED A will be lit
c)
if signal quality is greater 15, then LEDs A and B will be lit
d)
if signal quality is greater 20, then LEDs A, B and C will be lit
e)
if signal quality is greater 25, then LEDs A, B, C and D will be lit
For two first points the transmitter might not work correctly.
