24
Oct-08
4.3.4
Signal Quality
The query of the signal quality at the reception location takes place using the but-
ton
Detect GSM field strength now
at the tab
Basic settings
or using the
AT
com-
mand
AT**SIGNAL?
. The response should deliver a value larger than 12; the best
value would be 31. If you experience difficult signal conditions, change the an-
tenna location. The response 99 indicates that no field strength can be detected
(e.g. for network failure, defective antenna).
The signal quality is indicated with an update interval of 1 minute (in idle state) by
the LED
Signal
:
LED Signal
Response of
AT**SIGNAL?
Radio connection quality
Always on
25 ... 31
optimum
60 ms
23 ... 24
140 ms
21 ... 22
very good
260 ms
19 ... 20
380 ms
17 ... 18
good
500 ms
15 ... 16
1000 ms
13 ... 14
sufficient
0 ... 12
not sufficient
improve location
Always off
99
Not detectable
Summary of Contents for GSM 4.2 easy
Page 1: ...Add On Manual INSYS GSM 4 2 easy Oct 08...
Page 2: ......
Page 39: ...7 Declaration of Conformity Ende der St ckliste...
