Operation Guide 3260 3280
Illumination
The display of the watch is illuminated for easy reading in the dark.
The watch’s auto light switch turns on illumination automatically when you angle the watch towards your face.
•The auto light switch must be turned on (page
To turn on illumination manually
Press Bin any mode to illuminate the display.
•You can use the procedure below to select either 1.5
seconds or 3 seconds as the illumination duration. When you press B, the display will remain illuminated for about 1.5 seconds or 3 seconds, depending on the current illumination duration setting.
•The above operation turns on illumination regardless of the current auto light switch setting.
•Illumination is disabled during time calibration signal reception, while configuring sensor measurement mode settings, and during bearing sensor calibration.
To change the illumination duration
1.In the Timekeeping Mode, hold down Auntil SET starts to flash and the city name starts to scroll on the display.
•This is the setting screen.
2.Keep pressing Duntil LT1 or LT3 is displayed.
•See step 3 under “To change the current time and date settings manually” (page
3.Press Eto toggle the illumination duration between three seconds (LT3 displayed) and 1.5 seconds (LT1 displayed).
4.After the settings are the way you want, press Ato exit the setting screen.
About the Auto Light Switch
Turning on the auto light switch causes |
|
illumination to turn on, whenever you position your | More than |
wrist as described below in any mode. | 40° |
Moving the watch to a position that is parallel |
|
to the ground and then tilting it towards you | Wear the watch on the |
more than 40 degrees causes illumination to | |
turn on. | outside of your wrist |
Warning!
•Always make sure you are in a safe place whenever you are reading the display of the watch using the auto light switch. Be especially careful when running or engaged in any other activity that can result in accident or injury. Also take care that sudden illumination by the auto light switch does not startle or distract others around you.
•When you are wearing the watch, make sure that its auto light switch is turned off before riding on a bicycle or operating a motorcycle or any other motor vehicle. Sudden and unintended operation of the auto light switch can create a distraction, which can result in a traffic accident and serious personal injury.
Note
•The auto light switch is always disabled, regardless of its on/off setting, when any one of the following conditions exists.
While an alarm is sounding During sensor measurement
While a bearing sensor calibration operation is being performed in the Digital Compass/Thermometer Mode
While a receive operation is in progress
|
|
To turn the auto light switch on and off
Auto light switch | In the Timekeeping Mode, hold down Bfor about three | |
seconds to toggle the auto light switch on (LT displayed) | ||
on indicator | ||
and off (LT not displayed). | ||
| ||
| • The auto light switch on indicator (LT) is on the display | |
| in all modes while the auto light switch is turned on. | |
| • The auto light switch turns off automatically whenever | |
| battery power drops to Level 4 (page |
Illumination Precautions
•Frequent display illumination can run down the battery quickly and require charging.
The following guidelines give an idea of the charging time required to recover from a single illumination operation.
Approximately five minutes exposure to bright sunlight coming in through a window Approximately 50 minutes exposure to indoor fluorescent lighting
•The
•Illumination may be hard to see when viewed under direct sunlight.
•Illumination turns off automatically whenever an alarm sounds.
•Frequent use of illumination runs down the battery.
Auto light switch precautions
•Wearing the watch on the inside of your wrist, movement of your arm, or vibration of your arm can cause frequent activation of the auto light switch and illumination of the display. To avoid running down the battery, turn off the auto light switch whenever engaging in activities that might cause frequent illumination of the display.
•Note that wearing the watch under your sleeve while the auto light switch is turned on can cause frequent illumination of the display and can run down the battery.
|
|
•Illumination may not turn on if the face of the watch is more than 15 degrees above or below parallel. Make sure that the back of your hand is parallel to the ground.
•Illumination turns off after the preset illumination duration (page
•Static electricity or magnetic force can interfere with proper operation of the auto light switch. If illumination does not turn on, try moving the watch back to the starting position (parallel with the ground) and then tilt it back towards your face again. If this does not work, drop your arm all the way down so it hangs at your side, and then bring it back up again.
•You may notice a very faint clicking sound coming from the watch when it is shaken back and forth. This sound is caused by mechanical operation of the auto light switch, and does not indicate a problem with the watch.
Graphic Area
The information shown in the graphic area depends on the current mode.
Graphic Area | Mode | Graphic Area |
| Timekeeping Mode | Timekeeping Mode seconds |
| World Time Mode | World Time Mode hours |
| Alarm Mode | Timekeeping Mode hours |
| Stopwatch Mode | Stopwatch Mode minutes |
| CountdownTimer Mode | CountdownTimer Mode minutes |
|
|
Button Operation Tone
To turn the button operation tone on and off
The button operation tone sounds any time you press one of the watch’s buttons. You can turn the button operation tone on or off as desired.
•Even if you turn off the button operation tone, the alarm, Hourly Time Signal, and Countdown Timer Mode alarm all operate normally.
|
| l | l | l |
|
| l |
| l |
| l |
| l | |
|
| l |
| l |
|
| l ll | ||
Mute indicator | ||||
| l | l |
|
|
l |
|
| ||
l |
| l |
|
|
l |
| l |
|
|
l |
| l |
|
|
l ll |
|
| ||
1.In the Timekeeping Mode, hold down Auntil SET starts to flash and the city name starts to scroll on the display.
•This is the setting screen.
2.Keep pressing Duntil KEY
or MUTE is displayed.
•See step 3 under “To change the current time and date settings manually” (page
3.Press Eto toggle the button operation tone on (KEY 
) and off (MUTE).
4.After the settings are the way you want, press Ato exit the setting screen.
Note
•The mute indicator is displayed in all modes when the button operation tone is turned off.