Videotec SM164A, Operating Instructions Manual

Page: 37 / 184

Page 33 MNVCSM84A_1729_EN
9.1.3 Reply from the matrix
The matrix examines the received command and, if it is correct, carries it out. The matrix response will differ
according to the type of command transmitted. If the checksum is incorrect the response is
[nack] .
9.1.4 Matrix control commands
The following table shows the matrix control commands.
Command and
parameters Meaning Notes Response
VidS monitor,
camera
Select a camera on a
monitor Corresponds to numeric keys [ok]
VidA monitor Automatic switching
sequence on a monitor Corresponds to SEQ key [ok]
Vid+ monitor Next camera on a
monitor Corresponds to INC key [ok]
Vid- monitor Previous camera on a
monitor Corresponds to DEC key [ok]
Rst+ Remote matrix reset The matrix resets and restarts; the contents of the
configuration are not deleted [date_time
reset uC]
RtcS param1,
param2,
param3
Set date and time Param1 = Year (without century) * 256 + Month
Param2 = Day * 256 + Hour
Param3 = Minutes * 256 + Seconds
[date_time
date time]
Men+ monitor Enter programming Monitor = 1; corresponds to PROG key [date_time
setup on]
Ent+ monitor
Enter (in programming)
Monitor = 1; corresponds to ENTER key [ok]
Clr+ monitor Clear Used in programming ( Monitor = 1) and to reset
the alarms from the keyboard; corresponds to the
CLEAR key
[ok]
ViJU monitor Simulated movement in
menus, up Monitor = 1 [ok]
ViJD monitor Simulated movement in
menus, down Monitor = 1 [ok]
ViJL monitor Simulated movement in
menus, left Monitor = 1 [ok]
ViJR monitor Simulated movement in
menus, right Monitor = 1 [ok]
HwRd type
Read hardware
Type = 2: read internal dip switch
Type = 3: read alarm connector (L)
Type = 4: read alarm connector (H)
[DIP:xx]
[ALL0:xx]
[ALL1:xx]
9.1.5 Event messages
If exceptional events occur (alarm activation, entering and exiting programming, switching on and off etc.), the
matrix communicates an event message to the PC, which includes an event code and the time at which the
event occurred.
The format of a typical event message is ‘[2002/06/19 12:15:02 reset uC]’
The following table lists the event messages:
Message Meaning
[date_time reset uC] Remote matrix reset
[date_time date time] Change date and time from PC
[date_time setup on] Start on screen programming
[date_time setup off] End on screen programming
[date_time system on] Matrix switched on
[date_time alarm+ num] Activation of alarm num
[date_time alarm- num] Deactivation of alarm num
[date_time kb reset num] Alarms reset by keyboard num
[date_time ext reset num] External reset of alarm condition