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1. SPECIFICATIONS: MODULE QW-4791
Item
Detail
Battery
Battery life
Current consumption
Alarm system
Accuracy
Accuracy setting system
Accuracy checking
Functions:
ESR920W
Approx. 2 years
0.24 µA maximum:µA maximum
See page 6
-
±20 sec./month
Chip capacitor selection
See page 7
• Time calibration signal reception
Auto receive
Manual receive
• Time Calibration Signal
Receivable Time Calibration Signals
Fort Collins, Colorado (Call Sign: WWVD, Frequency : 60kHz)
Rugby, England (Call Sign: MSF, Frequency: 60kHz)
Mainflingen, Germany (Call Sign: DCF77, Frequency: 77.5kHz)
Fukushima, Japan (Call Sign: JJY, Frequency: 40kHz)
Fukuoka/Saga, Japan (Call Sign: JJY, Frequency: 60kHz)
• Regular timekeeping:
Analog: 3 hands (Hour, minutes, seconds)