Additional functions
New access code
NPC, xx…x
xx…x
= new access code, 2 to 8 characters
Example:
NPC, MARTIN27
PC
SMS to get David’s status
STS, xx..x
xxx..x
= text, up to 30 characters
Example:
STS, HOW ARE YOU NOW
STATUS
Service tel. numbers
STN, x..x, x..x
xxx..x
= tel. number. Up to 2 numbers can be
set, previously set numbers are erased.
Service numbers are used to report faults:
POWER FAIL
/
POWER RECOVERY
1
LINE OK
(GSM signal recovery)
Other events – see Optional functions.
Instruction
STN,
erases service number(s).
none
Optional functions
DIP,a,b,c,d,e,f,g
Parameter
a
to
f
values can be:
1=ON, 0=OFF, x=unchanged
Description of the parameters:
a
Forward unrecognised SMSes to the
service number
b
Periodic calls to the service number every
24 hours (from the moment of being set)
c
Forward all SMSes to the service number
d
Max. 10 SMSes within 15 minutes (all
subsequent SMS requests ignored)
e
SMS reporting of relay dialling-in-control
f
SMS reporting of relay SMS control (e.g.
heating off OK
)
g
Input terminal GND connection disables
any wireless connection to the input (not
applicable to thermostats)
Example:
DIP,1,x,x,x,x,1,x
0000000
(all OFF)
DTMF code to switch relay
ON
2
CAX, xx..x
Use
CAY
for relay
Y
.
xx..x
= numeric code, up to 8 digits
Example:
CAY, 1234
Instruction
CAY,
erases the code.
none
DTMF code to switch relay
OFF
2
CDX, xx..x
Use
CDY
for relay
Y
.
xx..x
= numeric code, up to 8 digits
Example:
CDY, 1234
Instruction
CDY,
erases the code.
none
Wireless device
assignments
3
LRN,n,xx..x,n,x. n
= A, B, C, D, X or Y (input or output the
device should be assigned to)
xx..x
= device production code (last 8 digits)
Only one device can be assigned to each A
to D input, whereas each of X or Y relays can
have up to 4 devices enrolled.
Example: LRN,A,
xx..x
,B,
xx..x
, X,
xx..x
Instruction
LRN,
erases all assignments.
A device cannot have multiple assignments.
The order of A to Y is arbitrary, no
duplications are allowed.
none
Triggering re-registration
to the GSM network
GSM
David will unregister and then re-register to the
GSM network. This can be useful after a blocked
SIM card has been unblocked. A re-registration
is also triggered by briefly connecting the RESET
jumper while David is being powered up.
Reset
RST
Resets David to the factory default settings.
This can also be performed by connecting the
RESET jumper during powering up –
disconnect the jumper after approx. 5 sec.
1
Only available for the GD-04A version
2
Only available for the GD-04D version
3
Only available for the GD-04R version