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Operation Guide 437/438/3208
Specifications
Accuracy at normal temperature: ±15 seconds a month
Display capacity:
• Regular timekeeping
Hour, minute, second, am/pm, year, month, date and day on its double display
Time format: 12-hour and 24-hour
Calendar system:
• (Module No. 437/438) Auto-calendar pre-programmed to the year 2079
• (Module No. 3208) Auto-calendar pre-programmed from the year 2000
to 2099
• Calculator mode
8 digits (7 digits for negatives)
Abilities: Four basic calculations, chain & mixed operations, constants for + / – /
× / ÷, power calculation
Decimal point: Full floating with underflow
Overflow check: lndicated by the “E” sign, locking the calculator mode
• Stopwatch mode
Measuring unit: 1/100 second
Measuring capacity: 23 hours, 59 minutes, 59.99 seconds
Measuring modes: Elapsed time, lap time, two finishes
• Dual time mode
• Daily alarm mode
• Hourly time signal
Battery:
• (Module No. 437/3208)
One lithium battery [Type: CR2016]
Approx. 5 years operation on type CR2016
(lncludes the alarm for 20 seconds and calculation for 1 hour per day)
• (Module No. 438)
One lithium battery [Type: CR1616]
Approx. 3 years operation on type CR1616
(lndudes the alarm for 20 seconds and calculation for 1 hour per day)
NOTE: THERE IS NO WAY unit components can be damaged or malfunction, due to
misoperation of buttons. If confusing information appears on the display it
means entry sequence was incorrect. Please read the manual and try again.