Seiko H021, H022 manual HOW to USE the Tachymeter, To measure the hourly average speed of a vehicle

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English

HOW TO USE THE TACHYMETER

(for models with tachymeter scale on the dial)

To measure the hourly average speed of a vehicle

1

2

Use the stopwatch to determine how many seconds it takes to go 1 km or 1 mile.

Tachymeter scale indicated by Second hand gives the average speed per hour.

Ex. 1

Tachymeter scale: “80”

Second hand: 45 seconds

“80” (tachymeter scale figure) x 1 (km or mile) = 80 km/h or mph

* Tachymeter scale can be used only when the time required is less than 60 seconds. If necessary,

22shorten the measuring distance.

Image 22

Contents Cal. H021, H022 Page Contents Battery Change Scroll Display FeaturesChannel alarm that rings on a world time basis Scroll display of city namesCal. H021 Cal. H022 Second hand stops on the spot TIME/CALENDAR modeSame time for 2 to 3 seconds 1 are shown whenPress repeatedly to select the desired mode Mode ChangeMode Second and the city selected for TIME/CALENDAR mode TIME/CALENDAR ModeDay & date display Press to select the city representing Calendar Setting displayPress for 2 to 3 seconds to show Time Your areaAdjusted in the following order See *1 on Press to select the digits flashing to bePress repeatedly to set Hour Minute hands to the digital timeDigital display World Time ModeMode Press to show World Time mode AreaEnglish Ex. Time of New York is transferred to TIME/CALENDAR mode World Time modeIn TIME/CALENDAR modeVancouver, Denver, Chicago Time Differences GMT = Greenwich Mean TimeAlarm Mode ALARM-1/ALARM-2 Press to show ALARM-1 or ALARM-2 modeAdjusted or show the scrolling city name Press for 2 to 3 seconds to show AlarmSetting display Press to select the digits flashing to beAlarm ENGAGEMENT/DISENGAGEMENT Stopwatch Mode Second hand Mode indicator Seconds Hour MinutesBefore using the stopwatch, be sure to reset the digits to Stopwatch OperationTo measure the hourly average speed of a vehicle HOW to USE the TachymeterTachymeter scale figure x 1 km or mile = 80 km/h or mph To measure the hourly rate of operation Tachymeter scale figure x 15 jobs = 4500 jobs/hourDaylight saving time properly Remarks on stopwatch function When all the segments light up Battery Life Indicator Battery ChangeEnglish Non-water Resistant To Preserve the Quality of Your Watch10/15/20 bar 10, 15 or 20 bar watch, be sure to observe Water resistant 5/10/15/20 barYour watch works with stable Following Will not be affected. Keep Watch away from close contact with magnetic objectsStatic Electricity Specifications Seiko SR1130W, 1 piece When the battery life nears its endMOS-LSI, 1 piece