La Crosse T83721 Quick Setup Manual - Get Started
Model T83621 www.lacrossetechnology.com/support Page | 2
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.
3
5
6
3
3
Battery Cover
Battery
Compartment
3 “AAA”
Observe the correct
polarity before inserting
the batteries
BOTTOM VIEW