Sentry Industries ATC-20 User's Manual
Contents
1. C F button again The reception will be off automatically after 6 12 minutes SNOOZE LIGHT bar Turn on backlight and stop the alarm sound when the bell rings SET key ADJUST key C F key PRODUCT DESCRIPTIONS a 1 LCD display 2 MODE key 3 SET key 4 ADJUSE key 5 C F key 6 SNOOZE LIGHT bar 7 RESET key 7 DISPLAY SYMBOLS Normal Time Mode 1 Time 5 Temperature 2 Date 6 Signal Strength Indicator 3 Month 7 Daylight Savings Time 4 Day of the week 8 Time zone map Alarm Time Mode 1 Alarm time 2 Alarm mode 3 Snooze icon 4 Alarm icon SELECT THE TIME ZONE Make sure the time zone is already set to appropriate location The default time zone is Pacific zone If you following steps 1 In the normal time mode press the MODE key to enter the alarm time mode 2 Press the ADJUST key to change the time zone P Pacific M Mountain C Central E Eastern DAYLIGHT SAVINGS TIME DST The clock has been programmed to automatically switch when daylight savings time is in effect Your clock will show DST during the summer SIGNAL STRENGTH INDICATOR The signal indicator displays signal strength in 3 levels Wave segment flashing means time signals are being received The signal quality could be classified into three types XS L BS Poor signal quality Acceptable signal quality Excellent signal quality If the RC clock receives signal successfully a Sync time symbol2. in an ecologically safe manner IMPORTANT H m For best reception please read the following instructions 1 This sophisticated instrument will automatically receive the time signal transmits from U S A Atomic Clock transmitter 2 It is strongly recommended to start this clock at night time and let the clock to receive the signal automatically during midnight 3 Always place the unit away from interfering sources such as TV set computer etc 4 Avoid placing the unit on or next to metal plate 5 Closed area such as airport basement tower block or factory is not recommended JPH a P Sh 3 AE BH Tn YEAR setting 12 24 n saing SETTING THE ALARM In the Normal Time Display press MODE key to enter the Alarm Time Mode Hold the SET key for 3 seconds until HOUR digit flashing Press ADJUST key to increase the alarm hour value Repeat the above operation to set the alarm minute Press MODE key to exit the setting mode Note The alarm will be automatically activated after setting the alarm time 6 Do not start reception in a moving article such as vehicle or train Limited One Year Warranty Sentry warrants this product to be free from defects in materials and workmanship for one year from the date of original purchase This warranty does not pertain to damage resulting from accident abnormal use misuse or neglect Any defective product will be replaced if returned to an aut
3. appears on LCD The unit is already synchronized with the time signal transmitter Otherwise the antenna segment will disappear from the LCD display Note 1 You may use the C F button to receive the time signal manually Be cautious of using the RECEIVE mode The receive mode will be off automatically after 6 12 minutes Test mode consumes more battery power that may reduce battery lifetime The unit has been programmed to receive the time signal everyday at 2 00 8 00 14 00 and 20 00 the maximum receive period is 12 minutes 3 The program employs an artifical intelligence method to recognise between good signal and interference so the unit may stop the current RC reception when a continuous interference lasts for 3 minutes The clock will reactivate the reception function until the next time MANUALLY SETTING THE TIME AND DATE If you are out of the reach of the Radio Controlled Transmitter or if the reception is not reachable the time can be set manually As soon as the transmitter is received again the clock will automatically synchronize with the received time press and hold SET key for 3 seconds until the HOUR digit flashing Press ADJUST key to increase the value of the flashing digit Press SET key again to step the setting items The setting sequence will be Hour gt Minute gt Second gt 12 24 HR gt Year gt Month gt Date Press ADJUST key to switch 12 24 HR format whe
4. VW SENTRY RADIO CONTROLLED LCD CLOCK ATC 20 Operation Instructions GETTING STARTED 1 Remove the battery door by slightly pressing the knob upwards Insert one new AAA size battery as per indication marked on the battery compartment Close the battery door When the battery is inserted all the segments of the LCD will be shown briefly before entering the radio controlled time reception mode The RC Clock will automatically start scanning for the radio controtied time signat after 10 seconds Note If there is no display on the LCD after inserting the battery try to replace with a new battery or press RESET key by using a metal wire In some cases you may not receive a signal immediately Due to atmospheric disturbances the best reception often occurs during nighttime FUNCTION KEYS MODE key Switch between Normal Time Mode and Alarm Time Mode In normal time mode or alarm time mode switch ALARM SNOOZE function ON or OFF n setting mode step the setting sequences In normal time mode toggle between Date Month and Year display In setting mode change the setting value Press it once to toggle between C and F format Press and hold it for 3 seconds to receive the signal for reception testing Check the signal serengthe indicator in the first 30 seconds If the signal strength indicator is in acceptable signal quality fix the clock here Otherwise place the clock in other position and press the
5. horized Sentry dealer or to Sentry directly at PO Box 885 One Bridge Street Hillburn NY 10931 0885 Please enclose a 5 Check for return shipping amp handling 4
6. n 412 24HR flashing Press MODE key to exit the setting mode HOUR setting af bar Pou A cI UED W MINUTE setting DATE setting APIR 42 38 JE Ns Iss SWEN 1 25 WED Th MONTH setting SECOND setting A T TA rp e aT AE a nee 25 WED Tp 2 25 wED WB ALARM Mode HOUR setting USING THE ALARM AND SNOOZE FUNCTION 125 WED Th MINUTE Feats 1 Set the Alarm time as described in the previous section 2 In normal time mode or alarm mode activate the Alarm by pressing the SET key so that the bell icon A i appears activate the snooze by pressing the SET key twice so that the snooze icon Zz appears 3 To deactivate the alarm press the SET key both icons will disappear Note 1 When the snooze function is activated the 4 step crescendo alarm will automatically start again after 4 minutes total 5 times then not sound again until the next day The alarm duration is 60 seconds The Zz icon will keep flashing during the whole alarm and snooze period When the alarm is sound press the SNOOZE LIGHT key to stop the bell ringing press the SET key to stop and turn off the alarm There is no affection to press the other keys The alarm sound will be stop after 1 minute without pressing any key BATTERY REPLACEMENT When the LCD becomes dim replace with a new AAA size battery at once Pay attention to the battery polarity Note Attention Please dispose of used unit and batteries
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