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M
EASURING THE SIGNAL LEVEL
This procedure allows you to check the GSM signal level through your
telephone.
(tones)
Lift the handset.
Dial: **30#;
Wait for the signal reading.
The system will send a number of short tones corresponding to the signal
level:
Tones
Quality
No signal
No signal
1 Tone
Low
2 Tones
Medium
3 Tones
Good
4 Tones
High
Since the signal can be subject to variations, we recommend repeating the
code **30#, 2 or 3 times a few seconds apart, in order to have a reliable
measurement.
Note: in case of low signal, we recommend installing the
GSM400 in a different area with a better signal.
Note: if you receive the “no signal” tone, it means that the
gateway has not been registered correctly by the
provider. We recommend trying again after a few
moments, and in case of no result, make sure that the
SIM Card is working correctly.
Содержание GSM400
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