INS627-8 31/44
N When selecting SCB mode the battery must be connected before power is
supplied from the control panel. If a unit is powered from a control panel with SCB
mode selected but without the battery connected, the unit will not operate
correctly due to the lack of power provided.
N The built-in battery will only be partially charged on delivery.
JP3 Low Current Mode (wired units only)
Low current mode* allows the sounder current draw from the control panel to be
reduced whilst maintaining significant alarm volume. To select low current mode,
ensure the SAB/SCB jumper is in the SAB position and move the LC jumper to the
Low Current on position. Details on current draw can be found in the technical
specification (see chapter 3.1)
N For EN50131 compliance the product should be configured to use SAB mode
and should not use SCB or low current mode.
* Not available on all models
1.19 Backlight Wiring Options
The backlight is wired for constant use from the factory; It is also possible to wire
the backlight to the control panels outputs for different operation; for example,
the Backlight could be wired to activate with the strobe,
or could be wired to a timer so that it only operates at certain times of the
day or night. Many options are available depending on the capability of the
control equipment.
1.20 Installing Multiple Wired Units
The following diagram illustrates how to wire multiple units together:
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