USER MANUAL NAVWATCH-S109 | P a g eManual updating1. The first step here is the same as the first step with settingthe time zone; press and hold the MODE button until theDay / Time zone (abbreviation) digits starts flashingbetween T1 (Time Zone 1 abbreviation) and UTC.(or a + / - number. Eg. +3 or -10)2. Then press the FUNCTION button. The year number will start flashing. Then usethe LIGHT button to either increase or the REC button to decrease this figure.3. Press the FUNCTION button again to move to the next field, MONTHS, and usethe same LIGHT and REC buttons to either increase or decrease this figure.4. Repeat again to the sections DAY, HOURS, MINUTE, SECOND, then finally youhave the option to turn ON or OFF DST (Day Light Savings time) accordingly.5. Press the MODE button until you return back to the main time menu screen.Note: Only the time for T1 can be set manually. There is an option to adjust for daylightsavings for T2 only. This can be done by pressing the MODE after point 4 above. The T1sign will then change to T2. Then press function to start to toggle to the DST field. Thenuse the LIGHT and REC buttons to adjust, then finally the MODE button to confirm andexit.Scheduled GPS time updating / ARC (Automatic Regional Calibration)1. To ensure you have accurate time for each day and in any time zone, simply setyour watch to automatically update itself at a given time each day.2. Press the NAVIGATION button once and use the LIGHTand REC buttons to toggle to ARC. Press the FUNCTIONbutton to enter this feature. ARC1 will then begin toflash.3. Press the FUNCTION button to begin setting up thedetails for ARC1 (T1 Time Zone).