TRS-450 - Alarm system Steren - Free user manual and instructions
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| Product Type | Alarm System |
| Brand | Steren |
| Model | TRS-450 |
| Category | Security Alarm |
| Power Source | AC Adapter (included) or 4 x AA batteries (not included) |
| Battery Backup | Yes, supports 4 x AA batteries for power outage |
| Detection Method | Passive Infrared (PIR) motion sensor |
| Detection Range | Up to 12 meters (40 ft) in 90° angle |
| Alarm Sound Level | 110 dB at 1 meter |
| Wireless Connectivity | No wired connection required; standalone unit |
| Indoor/Outdoor Use | Indoor use only |
| Dimensions (approx.) | 10.5 x 7.5 x 5.0 cm (4.1 x 3.0 x 2.0 in) |
| Weight (without batteries) | Approx. 150 g (5.3 oz) |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Installation | Wall mount or tabletop placement; included mounting kit |
| Key Functions | Motion detection, alarm trigger, programmable delay, test mode |
| Maintenance | Clean sensor lens gently with a soft dry cloth; test monthly |
| Safety | Low voltage device; do not expose to water or moisture |
| Spare Parts | Standard AA batteries widely available |
| Reparability | Fuse may be replaceable; otherwise dispose of unit at proper facility |
| Warranty | 1 year limited warranty (check local regulations) |
Frequently Asked Questions - TRS-450 Steren
How do I install the Steren TRS-450 alarm system?
Mount the unit on a wall using the included bracket at a height of about 2 meters (6.5 ft) and plug it into an AC outlet. Insert batteries for backup power.
How do I change the batteries?
Open the battery compartment on the back, remove old AA batteries, and insert four new AA batteries. Use alkaline batteries for best performance.
Why does the alarm keep going off falsely?
Ensure the sensor is not pointed at heat sources, windows, or moving objects like curtains. Reduce sensitivity or adjust the delay setting. Keep pets away from the detection zone.
What is the detection range of the motion sensor?
The sensor can detect motion up to 12 meters (40 ft) with a 90-degree viewing angle.
Can I use this alarm outdoors?
No, the TRS-450 is designed for indoor use only. Exposure to rain or humidity may damage it.
How do I silence the alarm?
Enter the access code (default 1234) on the keypad or press the reset button on the unit. The alarm will stop immediately.
Does the alarm have a test mode?
Yes, set the mode switch to "TEST" to verify detection. The alarm will chime briefly instead of sounding the full siren.
How can I adjust the sensitivity?
Turn the sensitivity dial (labeled SENS) to a lower setting to reduce false triggers. Test after each adjustment.
What should I do if the alarm doesn't power on?
Check the AC adapter connection and replace batteries. If still not working, test the outlet with another device. If the fuse is blown, replace it with a 250V 1A fuse.
Where can I find the user manual for the TRS-450?
The manual is available for free download on notice-facile.com in PDF format. You can also request a translated version by email.
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USER MANUAL TRS-450 Steren
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Product information
Brand : Steren
Model : TRS-450
Category : Alarm system