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Model T83621          www.lacrossetechnology.com/support                

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GET STARTED

 

 
Step 1: 

Insert the included 5-volt AC power adapter into projection 

alarm and then into wall outlet.   
 

 

Step 2: 

Insert 3 new “AAA” batteries (not included) into the projection 

alarm. Observe the correct polarity. 

 
Step 3: 

Insert 2 new “AA” batteries (not included) into the TX141-B 

transmitter. Observe the correct polarity.

 

 

NOTE:

 If the outdoor temperature is not displayed after 3 minutes, unplug the AC 

adapter and remove batteries from the projection alarm & transmitter for 15 minutes. 
Return to 

Step 1

 above. 

 

SET TIME AND DATE 

1.  Hold 

SET/°F/°C

 

to enter time set mode.  

2.  Use 

+/TEMP 

or

 -/TIME 

 

buttons to adjust values.  

Press and hold for fast adjustment.  

3.  Press 

SET/°F/°C 

 

to confirm adjustments and move to the 

next item. 

 

Time and Date setting order:

 

 

1. 

WWVB

 (ON/OFF) 

2. 

Time Zone

  

3. 

DST

 Daylight Saving Time (ON/OFF) 

4. 

12/24

 Hour Time Format 

5.  Hour 
6.  Minutes 
7.  Year 
8.  Month 
9.  Date 

Press the 

SET/°F/°C 

 

to exit, or wait 20 seconds without pressing 

buttons to return to the normal time display. 

 

 

 

 

 

Battery Cover 

Battery 

Compartment 

 

3 “AAA” 

 

Observe the correct 
polarity before inserting 
the batteries

 

BOTTOM VIEW 

Summary of Contents for T83721

Page 1: ...ogy com support Page 1 Model T83721 Quick Setup Guide Atomic Projection Alarm Projection Arm Rotation Front and Back Projection Lens Snooze Backlight 1 2 3 4 5 6 7 Projection Focus 8 AC Power Jack USB PORT Buttons BACK VIEW FRONT VIEW ...

Page 2: ...ve batteries from the projection alarm transmitter for 15 minutes Return to Step 1 above SET TIME AND DATE 1 Hold SET F C to enter time set mode 2 Use TEMP or TIME buttons to adjust values Press and hold for fast adjustment 3 Press SET F C to confirm adjustments and move to the next item Time and Date setting order 1 WWVB ON OFF 2 Time Zone 3 DST Daylight Saving Time ON OFF 4 12 24 Hour Time Forma...

Page 3: ...ll icon appears Press ALARM again to deactivate the alarm The bell icon disappears SNOOZE Silences alarm temporarily Press the SNOOZE LIGHT to silence alarm for 10 minutes Zz will show When in snooze mode press ALARM to stop alarm for one day Note The alarm is crescendo sound The alarm will sound for 2 minutes and then shut off completely MOON PHASE The segments that are highlighted will portray t...

Page 4: ...wheel to focus the projected image Time Outdoor Temperature Projection The projection will alternate between time and outdoor temperature every 5 seconds This is not adjustable NOTE On AC power the projection will be on constantly and alternate between time and outdoor temperature unless turned to OFF Using Battery power the projection and backlight will come on for 10 seconds when SNOOZE LIGHT is...

Page 5: ... Make sure that the USB cable you use will charge your device Most USB cables included with mobile devices will work for charging POSITION OUTDOOR TRANSMITTER Mount the outdoor transmitter on a North facing wall or in any well shaded area Under an eave or deck rail is preferred The maximum transmitting range to the atomic projection alarm is over 200 feet 60 meters in open air not including walls ...

Page 6: ... RF 433MHz open air Interval About every 30 seconds Power Projection Alarm Primary Power 5 volt AC power adapter included Optional Battery Backup Optional 3 AAA IEC LR3 batteries not included TX141 B Transmitter 2 AA IEC LR6 batteries not included USB USB Charge Port Output 0 5A Battery Life Projection Alarm Battery Backup Battery life is over 12 months when using the AC adapter for primary power ...

Page 7: ...pening of housing voids warranty If the product is not working properly change the batteries and or check the A C cord connection WARRANTY AND SUPPORT La Crosse Technology Ltd provides a 1 year limited time warranty from date of purchase on this product relating to manufacturing defects in materials workmanship View full warranty details online at www lacrossetechnology com warranty_info pdf For w...

Page 8: ... OR TV INTERFERENCE CAUSED BY UNAUTHORIZED MODIFICATIONS TO THIS EQUIPMENT SUCH MODIFICATIONS COULD VOID THE USER AUTHORITY TO OPERATE THE EQUIPMENT All rights reserved This handbook must not be reproduced in any form even in excerpts or duplicated or processed using electronic mechanical or chemical procedures without written permission of the publisher This handbook may contain mistakes and prin...

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