User guide
GSM500.GC
Issue 1.00
Page 20
SMS
RO-IG5*
<Password (default "0")>
#91#
You will get the following feedback as SMS:
RO?IG5*
<Password (default "0")>
#91
<X>
#
Where <X> can have the following values:
0
No battery installed
1
Poor (25%, ca. 2h standyby)
2
Average (50%, ca. 4h standby)
3
Good (75%, ca. 6h standby)
4
Very good (100%, ca. 8h standby)
Optical indicators
Green LED for GSM signal strenght
No GSM signal
Poor signal (25%)
Average signal 50%)
Good signal (75%)
Very good signal (100%)
Red LED for device status
Device is trying to register into the
GSM network
Device is registred a ready to use
Device is busy
