1. Produktua amaitu daview
The SMARTRO SC91 Projection Alarm Clock is a multi-functional device designed for bedrooms, offering time and temperature projection, a wireless indoor/outdoor thermometer, and a humidity monitor. It features a clear LCD screen, dual alarms with snooze, and a weather station that predicts the next 12 hours' weather. This manual provides detailed instructions for setting up, operating, maintaining, and troubleshooting your device.

1.1. irudia: Aurrealdea view of the SMARTRO SC91 Projection Alarm Clock with its wireless outdoor sensor and a red time projection.
Ezaugarri nagusiak:
- Time and Temperature Projection: Projects indoor/outdoor temperature and time onto a wall or ceiling with adjustable angles and brightness.
- Indoor/Outdoor Thermometer & Hygrometer: Provides accurate temperature and humidity readings for both indoor and outdoor environments.
- Wireless Color Weather Station: Displays 12/24 hour time, date, weekday, and predicts weather patterns for the next 12 hours.
- Dual Alarms with Snooze Function: Set two independent alarms with adjustable snooze time (5-60 minutes).
- Multi-Sensor Connectivity: Supports connection with up to 3 wireless remote sensors (one sensor included).

1.2. irudia: Amaituview of the compact design and key functionalities of the SMARTRO SC91 clock, including dimensions.
2. Konfigurazio gida
2.1 Gailua piztea
The SMARTRO SC91 can be powered by a DC adapter (included) for continuous operation and display brightness, or by 2 AA batteries (not included) for backup power and portability. Batteries are primarily for memory backup during power outages.
- Insert 2 AA batteries into the battery compartment on the back of the main unit, observing polarity.
- Connect the DC power adapter to the main unit and plug it into a wall outlet. The display will light up.
2.2 Setting Up the Wireless Outdoor Sensor
The outdoor sensor transmits temperature and humidity data to the main unit.
- Open the battery compartment of the wireless sensor and insert 2 AA batteries, observing polarity.
- Select a channel (1, 2, or 3) on the sensor. The main unit will automatically search for the sensor.
- Place the outdoor sensor in a shaded area, protected from direct sunlight and rain, to ensure accurate readings and prolong its lifespan. The transmission range is up to 200ft/60m in an open area.

Image 2.1: The main unit can connect to up to three wireless sensors, allowing monitoring of different locations like outdoor, cellar, or garage.
3. Funtzionamendu-argibideak
3.1 Ordua eta data ezartzea
- Eduki sakatuta EZARTU botoia ordua ezartzeko moduan sartzeko.
- Erabili UP or BEHERA botoiak balioa doitzeko.
- Sakatu EZARTU again to confirm and move to the next setting (e.g., 12/24 hour format, hour, minute, year, month, day, weekday language).
- Sakatu EZARTU behin gehiago ezarpen modutik irteteko.
3.2 Proiekzio Ezaugarria
The clock can project time and temperature onto a wall or ceiling.
- Proiekzio angelua: The projection arm can be rotated 180 degrees for optimal viewing.
- Proiekzioaren distira: Sakatu PROIEKZIOA button to cycle through Off, Dim, and Bright projection levels.
- The projected temperature automatically switches between indoor and outdoor readings.

Image 3.1: The projection feature allows for a 180-degree flip of the projected display for flexible viewing.

Image 3.2: Adjust the projection brightness to your preference, from off to dim or bright.
3.3 Alarma-funtzioak
The SC91 features dual alarms (ALARM1 and ALARM2) with a snooze function.
- Sakatu ALARMA button to select ALARM1 or ALARM2.
- Eduki sakatuta ALARMA botoia alarma ezarpen moduan sartzeko.
- Erabili UP or BEHERA to adjust the alarm time and alarm repeat mode (M-F, S-S, or M-F and S-S).
- Sakatu ALARMA ezarpen bakoitza berresteko.
- Alarma aktibatzeko/desaktibatzeko, sakatu ALARMA ON / OFF switch on the back of the unit.
- Alarma jotzen duenean, sakatu SNOOZE / ARGIA button to activate snooze. The snooze duration can be set from 5 to 60 minutes.
- The alarm will automatically turn off if left alone for 2 minutes.

Image 3.3: The clock offers two separate alarms and an adjustable snooze time for personalized wake-up routines.
3.4 Weather Station and Comfort Indicator
The clock displays current indoor/outdoor temperature and humidity, along with a weather forecast.
- The weather station predicts the weather for the next 12 hours based on barometric pressure trends.
- The comfort indicator (smiley face icon) on the display shows if the indoor humidity and temperature are within a comfortable range.
- Sakatu ° C / ° F botoia Celsius eta Fahrenheit tenperatura unitateen artean aldatzeko.

Image 3.4: The weather station calculates and displays the weather forecast for the upcoming 12 hours.

Image 3.5: The comfort indicator provides a quick visual cue for indoor humidity and temperature levels: Dry, Comfortable, or Wet.
4. Mantentzea
Proper maintenance ensures the longevity and accuracy of your SMARTRO SC91 Projection Alarm Clock.
- Garbiketa: Garbitu unitate nagusia eta sentsorea oihal leun eta lehor batekin. Ez erabili garbitzaile edo disolbatzaile urratzailerik.
- Sentsoreen kokapena: Ensure the outdoor sensor is protected from direct sunlight and heavy rain. Extreme weather conditions can affect its performance and lifespan.
- Bateria ordezkatzea: Replace batteries in both the main unit (if used for backup) and the sensor when the low battery indicator appears on the display.
5. Arazoak
If you encounter issues with your SMARTRO SC91, refer to the following common problems and solutions:
| Arazoa | Kausa posiblea | Irtenbidea |
|---|---|---|
| Pantailarik ez edo pantaila iluna | Argirik ez edo bateria gutxi. | Ensure DC adapter is properly connected. Replace AA batteries if running on battery power or for backup. |
| Kanpoko tenperatura/hezetasuna ez da bistaratzen edo zehaztugabea da | Sentsorea irismenetik kanpo dago, bateria baxua edo interferentzia. | Move sensor closer to the main unit. Replace sensor batteries. Avoid placing near large metal objects or electronic devices. Re-sync sensor by removing and reinserting batteries in both units. |
| Proiekzioa lausoa edo ez da argia | Incorrect projection distance or focus. | Adjust the distance between the clock and the projection surface (optimal 5-13ft). Ensure the projection lens is clean. |
| Alarm not sounding or too quiet | Alarma ez dago aktibatuta edo bolumena baxuegia da. | Check if the alarm is enabled via the switch on the back. Ensure the alarm volume is set appropriately (if adjustable). |
| Eguraldiaren iragarpena zehaztugabea | Initial setup or local atmospheric pressure changes. | The weather forecast is based on barometric pressure changes over time. Allow 7-14 days for the station to learn local atmospheric pressure. It predicts trends, not real-time weather. |
6. Zehaztapenak
| Ezaugarri | Xehetasuna |
|---|---|
| Marka | SMARTRO |
| Modelo zenbakia | SC91 |
| Bistaratzeko mota | Digital, Multi Display |
| Kolorea | Beltza |
| Produktuaren neurriak | 6.6"Z x 3.9"A |
| Elementuaren pisua | 13.12 ontza |
| Energia iturria | Battery Powered (2 AA batteries required for backup), Electrical (DC adapter) |
| Barruko/Kanpoko erabilera | Indoor (main unit), Outdoor (sensor) |
| Proiekzio Distantzia | 5-13 ft (suggested) |
| Sensor Transmission Range | Up to 200ft/60m (open area) |
| Onartutako sentsore kopurua | Gehienez 3 (1 barne) |
| Iratzargailua | Yes, Dual Alarms |
| Errepikatzeko funtzioa | 5-60 minutu erregulagarria |
| Markoaren materiala | Plastikoa |
7. Bermea eta Laguntza
7.1 Bermearen informazioa
The SMARTRO SC91 Projection Alarm Clock comes with a 13 hilabeteko bermea, covering manufacturing defects. This warranty does not cover damages caused by artificial misuse or accidents.
7.2 Bezeroarentzako laguntza
SMARTRO is committed to providing excellent after-sales service. If you have any questions, concerns, or require technical assistance, please contact our support team. Your satisfaction is our primary goal.
For support, please refer to the contact information provided on the product packaging or the official SMARTRO webgunea.





