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Tx300-400-1000MK2-1000 Keypad-Ex4 MK2-TxLD Installation Guide 12Jan05.doc
Tx1000 MK2 (8/16 camera controller)
Page 24
The alarm package may be enabled/disabled via a keyswitch
fitted across alarm contacts pins 1 and 2. When the switch is
closed the alarm package is disabled, opening the switch and the
alarm package is active. This may be used to control the alarm
package, i.e. enabled at night when the building is empty etc.
Any receiver local alarms will NOT be disabled using this link.
Note that cutting the switch cable will activate the alarm package.
Action on alarm
Each alarm can be programmed to switch monitor 1 to display a specific camera and goto a pre-set position
for that camera. An alarm message is displayed on the screen and the alarm output relay closes for a
programmed length of time.
If the sequence is running then the alarm time is added to the sequence time and the sequence continues to
run after the alarm times out. If the sequence is not running the alarm message and selected camera
remain on monitor 1 until a manual camera selection.
The camera selected and the pre-set command issued is programmable via the keypad, press the program
key and follow the on screen commands.
The length of time the contacts close is also programmable. Press the program key and follow the
instructions on the screen
To disable the program key remove the shorting link from the small rectangular slot below monitor 2 output
To use the pre-set feature you must have fitted a receiver that supports preset positioning; Rx400P,
Rx400DC, Rx45X, RX55X and pre-set PTZ heads or Rx100 and suitable dome camera.
Receivers with local alarms.
The RX100 dome interface has 4 local alarm inputs and the RX400DC, RX45X and RX55X have 8 local
alarm inputs and a single normally closed relay output that opens momentarily when a local alarm is
activated. This output can be wired to an alarm input on the Tx1000.
A receiver local alarm will cause the relevant pre-set position to be automatically selected without the
intervention of a telemetry transmitter, see the receiver installation guide. If the transmitter also generates a
pre-set command, then the receiver’s pre-set will be overruled. To overcome this during alarm programming
use preset 16 which will prevent the TX1000 from sending a preset command for this particular alarm input.
The standard preset receivers can be programmed to goto pre-set position 1-15 during an alarm.
Keyswitch
Installer fitted keyswitch to
control alarm package
ALARM CONTACTS
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