Casio GW-9400-1, Service Manual & Parts List, Page: 22 / 24

QW-3410
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7-7. TIME CALIBRATION SIGNAL TEST
A signal reception failure may be caused by a number of reasons.
Follow the steps shown in the
fl owchart below to run the signal receiving test.
YES
YES
NO
NO
MANUAL Reception
Failure OK
Reception OK?
Reception OK?
Check the Receiving Station
START
AUTO Reception
"Insufficient Signal" may also be the reason
for the signal receiving fault.
Insuf fi cient Signal
The time calibration signal may not be properly received under the following conditions.
• The strength of the signal has changed due to season or time of day
• The watch is placed in the reinforced concrete building
• There is a broadcasting station nearby
• Strong enough signal cannot be received due to the position of the watch
The real signal in China differs from the signal for the test with TEM cell.
* To check the real signal reception in China, perform the inspection in the normal mode.
* To check the signal reception for China with TEM cell, perform the inspection in the Test Mode.
7-7-1. MANUAL/AUTO Reception
For details of MANUAL and AUTO reception modes, refer to the Operation Guide.
MANUAL Reception
While in the Timekeeping mode, press

7 times to go to the Reception mode. Holding down

for
two seconds starts the Reception.
Reception OK: The time is adjusted and “GET” appears on the display.
Reception NG: The time is not adjusted and “ERR” appears on the display.
* Press any button to end the manual reception, then the watch returns to the Reception
mode.
* Press any button to end the reception result display, then the watch returns to the Re-
ception mode. Or one or two minutes after displaying the result, the watch returns to
the Reception mode automatically
* Press

to return to the Timekeeping mode from the Reception mode.
AUTO Reception
Turn on the AUTO Reception setting. When AUTO Reception is turned ON, the calibration signal is
automatically received up to 6 times from midnight through early morning.
(If reception is successful once, the subsequent AUTO reception will not be conducted on the same
day.)
Whether reception was successful or not may be con
fi rmed with [Last Receiving Date/Time] in the
Reception mode.
(The date/time is updated after successful reception.)
Note: Auto Reception is conducted only in timekeeping mode and World Time mode.
Location of the buttons