Casio ECW-M300E Service Manual page 18

Module no. qw-5117
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7-7-77
TEST MODE
�1
From the Timekeeping mode, hold down
Time Calibration Signal Test mode. The last receiving station will be indicated.
21
Each time
is pressed, the test signal receiving station changes as shown below:
D
JJY40 (J40) → JJY60 (J60) → WWVB (U60) → DCF77 (G77) → MSF (L60) → BPC1 (B01) →
BPC2 (D02) → BPC3 (G03) → BPC4 (T04)
31
Press
while in a receiving station state to start receiving a signal.
B
* Be sure that the Mode hand is at the R position.
41
Press any button while receiving a signal to return to the Timekeeping mode.
51
In approximately 15 minutes, check the indication and determine the result by referring to the table
below.
�1
While in the Time Calibration Signal Test mode, you may press
Signal Test Mode and return to the Timekeeping mode.
Time keeping mode
D+C+B
C
or A.R
Selecting the Time Calibration Signal Receiving Station
JJY40
J40
D
D
JJY60
J60
D
WWVB
U60
D
DCF77
G77
D
MSF
L60
D
and press
D
Indication of the Last Receiving Station
Home city
TYO
NYC
PAR,LON
HKG
To check in China, us BPC2.
BPC4
T04
D
BPC3
G03
D
BPC2
D02
D
BPC1
B01
– �� –
�� – –
and
at the same time to start the
B
C
to exit the Time Calibration
C
Last Receiving Sttn
LCD
J40
40 kHz (JJY40)
J60
60 kHz (JJY60)
U60
60 kHz (WWVB)
G77
77.5 kHz (DCF)
L60
60 kHz (MSF)
D02
the factory test in China (BPC)
While signal reception
B
Receiving start:
Ready
Reception result (Example;JJY40)
D
Reception OK
Reception Result
signal
reception
OK
JJY40
J40 OK
JJY60
J60 OK
WWVB
U60 OK
DCF77
G77 OK
MSF
L60 OK
BPC1
B01 OK
BPC2
D02 OK
BPC3
G03 OK
BPC4
T04 OK
QW-5117
Work
Reception NG
NG
J40 NG
J60 NG
U60 NG
G77 NG
L60 NG
B01 NG
D02 NG
G03 NG
T04 NG

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