Citizen AT8260-18A Instruction Manual page 31

Setting Summer Time
◆
Switching ON/OFF of Summer Time
50 10
40
20
30
1. Pull the crown out to position  .
Ⓑ
The chronograph minute hand indicates the current
0 1 2 summer time ON/OFF setting.
2. Press the upper right button Ⓑ to switch the
summer time setting.
Each time you press the upper right button Ⓑ , the
chronograph minute hand points SMT ON and SMT
OFF alternately to indicate the summer time ON/
OFF setting is switched.
3. Push the crown in to position 0 to finish the
ON setting.
SMT
OFF