Seiko S830 Instructions Manual page 29

１．About this product
Handling cautions ........................ 104
About the Radio Act ..................... 109
About Bluetooth ........................ 111
Ⓡ
Features ....................................... 113
Names of the buttons and switching of display ... 115
What you can do with this technology ... 116
About ranges and accuracies of sensor measurements ... 118
Marks and indicators .................. 119
２．Before use
Before mountain climbing ............ 120
How to charge .............................. 121
（1）How to charge ... .................. 121
（2）Standard charging time ...... 122
（3）Battery life indicator and power reserve ... 123
■ Power reserve .................. 123
■ Power save and sleep function ............... 125
３．Watch functions
Pairing .......................................... 127
（1）How to perform pairing ...... 128
（2）How to cancel pairing ......... 129
Bluetooth communication ......... 130
Ⓡ
102
Contents
（1）How to perform Bluetooth communication ... 131
How to use the time/calendar mode ... 132
（1）Buttons and functions ...... 132
（2） H ow to set the time, calendar, city
name and summer time ...... 133
（3）How to adjust the contrast ... 135
（4）How to set lighting time...... 136
（5）How to set the power save mode ... 137
（6） H ow to test the alarm sound and how to engage/disengage the hourly
time signal and confi rmation sound for button operations ... 138
（7）How to check city selected for home/connection time ... 138
（8） How to set in-fl ight mode ... 138
How to use the current location sunrise and sunset time mode ... 139
（1）Buttons and functions ...... 139
（2） H ow to use current location sunrise
and sunset time mode ......... 140
How to use the stopwatch mode ...... 141
（1）Names of the buttons and their functions ... 141
（2）How to use the stopwatch ... 142
How to use the alarm mode ......... 143
（1）Buttons and functions ...... 143
（2）How to use the alarm ......... 144