— 2 —
2. OPERATION CHART: MODULE QW-2819
The P
o
w
e
r Sa
ving f
e
ature of the w
a
tch is tur
ned on at the f
a
ctor
y.
•
P
o
w
e
r Sa
ving causes the w
a
tch to automatically enter a sleep stage to sa
v
e
po
w
er whene
v
e
r the w
a
tch is left in the dark.
•
Note that the w
a
tch ma
y also enter the sleep state if the w
a
tch is b
loc
k
ed from light b
y
y
o
ur slee
v
e
.
■
Ho
w the sleep state w
orks
•
Displa
y sleep state
The displa
y sleep state is tr
iggered whene
ver the w
a
tch is left in the
dark f
o
r about one hour betw
e
en the hours of 10 p
.m.
and 6 a.m.
•
The displa
y
goes b
lank, e
xcept f
o
r a sleep indicator flashing on i
t.
Alar
ms and the hour
ly time signal contin
ue to oper
ate nor
m
ally
while the w
a
tch is in the displa
y sleep state
.
•
The w
a
tch does not enter the sleep state if it is in the
Stopw
atch Mode
.
Sleep indicator
•
Function sleep state
The function sleep state is tr
iggered whene
ver the w
a
tch is left in the
dar
k
f
o
r six or se
ven da
ys
.
•
The sleep indicator stops flashing and remains on the displa
y.
•
Alar
ms
, the hour
ly time signal, and auto signal reception are
also disab
led while the watch is in the function sleep state
.
•
Digital timek
eeping functions contin
ue to oper
ate nor
mally in
the function sleep state
.
■
T
o
reco
ver fr
om the sleep state
Place the w
a
tch in an area that is well-lit, press an
y b
u
tton, or
angle the w
a
tch to
w
ard y
o
ur f
a
ce to illuminate the displa
y using
the A
uto Light.
•
It can tak
e
up to tw
o seconds bef
ore the displa
y
re-appears after
y
ou place the w
a
tch in a w
ell-lit area.
■
T
o
turn P
o
wer Sa
ving on and off
Use the procedure under
“Setting the
Time and Date Man
u
ally
” to
tur
n
P
o
w
e
r Sa
ving on or off
.
Lea
ving the w
a
tch in a dr
a
w
er or an
ywhere else it is dark can
cause P
o
w
e
r Sa
ving to tr
igger in order to conser
v
e
batter
y
po
w
e
r.
Power Saving
Timekeeping Mode
D
Button
Month, da
y
SUN
:
Sunda
y
MON :
Monda
y
TUE :
T
uesda
y
WED :
W
ednesda
y
THU
:
Thursda
y
FRI
: F
rida
y
SA
T :
Saturda
y
Da
ys of the
W
e
ek
Memo n
u
mber
Hour
, min
u
te
,
second
Month, da
y
Time Stamp (Time Memo)
Holding do
wn the
B
b
utton f
or about one
second in the
Timek
eeping Mode creates a
record containing the current date (month and
da
y) and time (hour
, min
ute
, second) in
memor
y.
Stor
age of the record is indicated b
y
the w
atch beeping.
•
The displa
y
sho
w
s the contents of the record f
o
r
about tw
o seconds
, after which the nor
m
al
Timek
e
eping Mode displa
y
reappears
.
•
Use the f
o
llo
wing procedure to recall lap/split
time memor
y
contents
. See
“T
o
vie
w
Time Stamp
records
” f
o
r more inf
o
rmation.
Da
y of the
W
e
ek
Batter
y Indicator
B
Button
Hour
, min
u
te
,
second
L
Button
(Light)
C
Button
PM indicator
(no displa
y f
o
r AM)
A
Button
World Time Mode
Recall Mode
Stopwatch Mode
Alarm Mode
City Code
Alar
m Number
Mode Indicator
Mode Indicator
•
The w
a
tch will automatically re
v
e
rt
to the
Timek
eeping Mode if y
ou lea
v
e it in the Alar
m Mode or Recall Mode without perf
or
ming
an
y operation f
or about tw
o or three min
utes
.
•
Enter
ing the Alar
m Mode displa
ys an alar
m n
umber
,
“SNZ
” (snooz
e alar
m), or
“SIG
” (hour
ly time signal).
Modes and Display Screens
