Operation Guide 437/438

Specifications

Accuracy at normal temperature: ±15 seconds a monthDisplay capacity:

•Regular timekeeping

Hour, minute, second, am/pm, year, month, date and day... on its double display Time system: Changeover between 12/24 hour formats

Calendar system: Auto-calendar pre-programmed to the year 2079

•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 capacity: 23 hours, 59 minutes, 59.99 seconds

Measuring unit: 1/100th of a second

Measuring modes: Normal time, net time, lap time and lst-2nd place times

•Dual time mode

•Daily alarm mode

•Hourly time signals

Battery:

•(Module No. 437)

One lithium battery [Type: CR-2016]

Approx. 5 years operation on type CR-2016 (lncludes the alarm for 20 seconds and calculation for 1 hour per day)

•(Module No. 438)

One lithium battery [Type: CR-1616]

Approx. 3 years operation on type CR-1616 (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.

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