
P R O G R A M M I N G
_________________________________________________________________________________
GsmAlarm-420 Software ver. 1.05
- 18 -
Note! If several functions have to be operative, sum of the numbers is used. E.g.: for all three Y
functions to be active, Y value must be 7 (1+2+4=7).
5.3.2.3.
PARAMETER F : SYSTEM RESPONSE TO INCOMING CALLS AND NUMBER
OF CALLS IN ALARM MODE
System response to incoming call
E
XY
Number of the calls in alarm
mode
X
Y
All functions below are deactivated.
0
0
-
If a call is received from unknown
caller, user ALRNR1 will receive a
SMS with caller‘s number.
1
1
After alarm triggering, users
will be called once.
If calling from user‘s number, after
3-4 calls the system will pick up,
armed mode will remain on.
2
2
After alarm triggering, users
will be called twice.
The user ALRNR1 receives an SMS
message, if GSM connection was
lost for more than 30 seconds. The
message is sent only when in armed
mode.
4
4
If call received not from
ALRNR1-ALRNR5, thus the
calling number is in SIM card
(gate control mode), system
answers the call after 3-4
signals, and user can control
the system with DTMF
instructions. Call
automatically cancelled after
1 minute passes.
Note! If several functions have to be operative, sum of the numbers is used.
E.g.: for all three X functions to be active, X value must be 7 (1+2+4=7).
5.3.2.4.
PARAMETER U : RESERVE BATTETY VOLTAGE
In the case of use of GsmAlarm-420 for car protection, it is recommended to use not 12V, but 6V
reserve battery. This will assure reliable charge of reserve battery, independently of the car battery
voltage.
U12: system operates in 12V (premise protection) mode, reserve battery voltage 12V
U06: system operates in 6V (car protection) mode, reserve battery voltage is 6V.
5.4.
SMS PASSWORD CHANGE
In order to change manufacturer-programmed SMS password, send GsmAlarm420 the following
message:
A A A A A A A A P A S S W : A B C D e f g h
AAAAAAAA – old SMS password.
PASSW – password changing instruction.
ABCDefgh – new SMS password. Password must be 8 characters long!
Note! No characters/spaces can be used before password, space must follow the password.