To turn on illumination manually
In any mode (except when a setting screen is on the display), press Bto turn on illumination.
•You can use the procedure below to select either one second or three seconds as the illumination duration. When you press B, the illumination will remain on for about one second or three seconds, depending on the current illumination duration setting.
To specify the illumination duration
1.In the Timekeeping Mode, hold down Auntil the seconds start to flash, which indicates the setting screen.
2.Press Cnine times so the illumination duration setting
screen is on the display.
3. While the illumination duration setting is flashing, press
D to toggle the setting between one second ( 
) and three seconds (
).
4.Press Ato exit the setting screen.