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Version 1.0  

 

©Copyright 2016, Ambient LLC. All Rights Reserved. 

 

 

 

Page 5 

Next, press and hold the 

M. SET

 button again until the time is two minutes ahead of the current time. 

 
The clock will begin updating again after the 

M. SET

 button has not been pressed for two minutes. 

 
The  clock  will  attempt  synchronization  every  two  hours  (1:00,  3:00,  5:00,  7:00,  9:00,  11:00,  13:00, 
15:00, 17:00, 19:00 and 21:00). During synchronization, the second hand will operate properly. 

10

 

Forced Radio Resynchronization 

To force resynchronization from the atomic clock, press and hold the 

REC

 button for 3 seconds. The 

hands will return to the 12:00 position.   
 
The clock attempts to synchronize with the atomic clock for 12 minutes. If it synchronizes, the clock 
sets properly. If it does not receive the signal from the atomic clock (very likely during the daytime), 
the clock will begin running from the 12:00 position until the time synchronization is successful. 
 
The  clock  will  attempt  synchronization  every  two  hours  (1:00,  3:00,  5:00,  7:00,  9:00,  11:00,  13:00, 
15:00, 17:00, 19:00 and 21:00). During synchronization, the second hand will operate properly. 

11

 

Temperature and Humidity Sensors 

The clock includes a temperature and humidity sensor, as shown in Figure 2. The clock is intended for 
indoor use only. 
 

 

Figure 2 

 

12

 

Maintenance 

The device is maintenance-free, but should be cleaned occasionally. Only use a slightly dampened and 
soft cloth to clean the housing. Do not use abrasives or solvents. 

Summary of Contents for RC-1200MTTH

Page 1: ...t Guide 2 3 Overview 2 4 Important Notes 2 5 Installation 3 6 Controls 3 7 Battery Installation and Initial Operation 4 8 Mechanical Deviation Adjustment 4 9 Setting the Time Manually 4 10 Forced Radio Resynchronization 5 11 Temperature and Humidity Sensors 5 12 Maintenance 5 13 Specifications 6 14 Glossary of Terms 6 15 Troubleshooting Guide 6 16 Liability Disclaimer 7 17 Warranty Information 8 1...

Page 2: ... clock never requires setting and automatically adjusts to daylight savings time DST This feature can be overridden for locations that do not observe DST example Arizona Features include Noise free second hand Hour minute and second hands Automatic daylight savings time update and leap year observation Four time zone settings Pacific Mountain Central Eastern Thermometer and Hygrometer Long battery...

Page 3: ...s 1 If the battery electrolyte in the cells should get on your skin thoroughly wash with soap and water If in the eyes rinse thoroughly with cool water Immediately seek medical attention 2 Leaking or damaged batteries might cause acid burns when in contact with skin therefore use suitable protective gloves to handle corrupted batteries 3 Correct polarity must be observed while inserting the batter...

Page 4: ...e with the atomic clock for 12 minutes If it synchronizes the clock sets properly If it does not receive the signal from the atomic clock very likely during the daytime the clock will begin running from the 12 00 position until the time synchronization is successful The clock will attempt synchronization every two hours 1 00 3 00 5 00 7 00 9 00 11 00 13 00 15 00 17 00 19 00 and 21 00 During synchr...

Page 5: ...e clock attempts to synchronize with the atomic clock for 12 minutes If it synchronizes the clock sets properly If it does not receive the signal from the atomic clock very likely during the daytime the clock will begin running from the 12 00 position until the time synchronization is successful The clock will attempt synchronization every two hours 1 00 3 00 5 00 7 00 9 00 11 00 13 00 15 00 17 00...

Page 6: ... a device that measures relative humidity Relative humidity is a term used to describe the amount or percentage of water vapor that exists in air RCC A radio controlled clock is a clock that is synchronized by a time code bit stream transmitted by a radio transmitter connected to a time standard such as an atomic clock WWVB WWVB is a NIST time signal radio station near Fort Collins Colorado WWVB i...

Page 7: ...me zone is set properly in the clock settings Avoid closed in areas Closed in areas such as basements are not recommended The clock is off by increments of an hour Check your Time Zone and DST Settings Make sure your time zone and DST switches are set properly The clock does not respond to commands Press the reset button on the back of the clock 16Liability Disclaimer Reading the User manual is hi...

Page 8: ... products assume the remaining original warranty or ninety 90 days whichever is longer The owner must pay any shipping charges incurred in getting your Ambient LLC product to a Ambient LLC for replacement or repair Ambient LLC will pay reasonable return shipping charges to the owner of the product Your Ambient LLC warranty covers all defects in material and workmanship with the following specified...

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