EFFECTIVE RANGE
The transmitter and receiver will start transmitting and
receiving signals after the batteries are in place. When
the battery is full, both units can be worn or mounted up
to 76 cm (30 inches) apart.
If signals become unsteady:
• Shorten the distance between the transmitter and
receiver.
• Re-adjust the position of the transmitter.
• Check
the
batteries.
necessary.
USE IN THE WATER
The SE128 wristwatch is water-resistant up to 50
meters (164 feet).
SHOWERING
(WARM/
RAIN
COOL
SPLASHES
WATER
ETC
ONLY)
50M /
164
OK
OK
FEET
Replace
them
when
SHALLOW
LIGHT
DIVING/
SNORKELING
SWIMMING
SURFING/
/ DEEP
/ SHALLOW
WATER
WATER
WATER
SPORTS
DIVING
OK
OK
NO
NOTE
Set the unit before exposing it to excessive water.
Pressing the keys while in the water or during heavy
rainstorms may cause water to enter the unit.
OPERATION
THE BACKLIGHT
Press
to turn backlight ON for 5 seconds.
ACTIVATING KEYPAD LOCK
To toggle keypad lock ON / OFF:
for 2 seconds.
Press and hold
keypad is locked.
OPERATING MODES
ALARM
5
indicates
CLOCK
STOPWATCH