SE-121

SE-121 waterproof electronic siren alarm with strobe light

1.Audible And Visual Alarm instruction

Fully integrated sounder/strobe, self-activation cut-off timer, SAB/SCB mode selection, dual status indicator, backup battery, UV-resistant PC case, internal PCB board cover, this new sound and light alarm is suitable for all EN50131-4-Security Level 2, Environmental Category III and BS4733. It can also be compatible with any other intruder control panel.

2.sound and light siren Features
1. Double anti-dismantling protection from the upper cover to remove or disassemble the bell box. Optional protection for loose screws.
2. Equipped with built-in 7.2V rechargeable battery, SAB mode is available. Provide optional valve-regulated sealed lead-acid battery room.
3. The red and green status indicators are convenient for status confirmation. The instructions are as follows:
*Red and green LED flashing alternately indicates that the system is in standby mode.
*The green LED indicator flashes twice quickly to indicate that there is no backup battery power supply.
*The red and green LEDs flash twice quickly, and a pause of 1 second means that the siren is triggered.
*When the main power supply is cut off, the red and green LEDs flash quickly and pause for 1 second. Then the alarm will sound at the same time.
4. Harsh police siren and high-visibility xenon flash. Dual sound or single sounder are optional. The detector and stroboscopic trigger signals are separate, and both have positive and negative inputs.
5.4 kinds of sounding timer options. The default selection is 20 minutes. 5 seconds (for testing), 3 minutes, and continuous sound is an optional jumper.
6. External or internal tamper-evident trigger is optional.

3. Visual alarm system Important notice
Make sure that the jumper is set at the desired position after the test. A duration of 20 minutes is recommended.

Jumper settings
The jumper setting should be done with the power supply cut off.

Cut off timer
The factory default setting is J3 20 minutes

Anti-tamper selection
The factory default setting is INT (internal trigger). Internal mode: The tamper switch will directly trigger the sounder.
In EXT mode: The tamper switch will trigger the panel first.

SAB / SCB selection
The factory default setting is SAB.
In SAB mode: control panel power buzzer. In SCB mode: backup battery-powered buzzer.