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The siren should power up in "silent
startup" mode, which is indicated by the
comfort LEDs remaining solidly lit.
3. Re-fit the jumper/terminal cover, close
the lid, tighten the lid-retaining screw
and close the screw cover.
(The LEDs will remain solidly lit and the
siren will not go into normal mode until
power is applied to the control unit.)
Step 8 – Power-up and Configure the
Control Unit
1. Connect the backup battery in the
control unit.
2. Switch on power to the control unit. A
siren tamper alarm may be indicated.
3. Configure the control unit. If you are
using an i-on or Menvier control unit,
you need to carry out the following for
the siren:
a) If you are using the ENG input:
Installer Menu – Outputs –
Radio/Wired Outputs –
Panel/Exp<nn>-<nn> – <output
number> – Type – Installer on Site.
b) To set the termination for the TR
terminal (SDR-WEXT-G3 only):
Installer Menu – System Options –
Panel Tamper Rtn.
c) If you are using the RST input
(SDR-WEXT-G3 only): Outputs –
Radio/Wired Outputs –
Panel/Exp<nn>-<nn> – <output
number> – Type – Remote Self-
Test.
4. Fully test the system.
Figure 2: SDR-WEXT Wired Siren
Revolving fixing
hole (1 of 3)
Hinged cover
for lid-retaining
screw
Cover retaining
tab (pull tab
each side to
release cover)
Figure 1: Battery
Connector