Time Calibration Signal Test - Casio QW-3195 Service Manual & Parts List

7-51

TIME CALIBRATION SIGNAL TEST

A signal reception failure may be caused by a number of of reasons.
Follow the steps shown in the flowchart below to run the signal receiving test.
START
Check the Receiving Station
MANUAL Reception
Reception OK?
YES
OK
Insufficient 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 signal used for the local time setting differs from that for the facility testing in China using TEM cell.
* For the local time calibration signal, use the normal mode.
* To check the signal using TEM cell, perform the inspection in the Test Mode.
7-5-11 MANUAL/AUTO Reception
For details of MANUAL and AUTO reception modes, refer to the Operation Guide.
MANUAL Reception
While in Normal Time Keeping mode, hold down
Reception OK: The time is adjusted and "GET" appears on the display for 2 minutes.
Reception NG: No time adjustment is made and "ERR" appears on the display for 2 minutes.
* Press to end the manual reception or the reception result display and return to the normal Time
D
Keeping 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 may be confirmed with [Last Receiving Date/Time] in the [Last Re-
ception] display.
(The date/time is updated after successful reception.)
NO
AUTO Reception
YES
Reception OK?
NO
Failure
D
– 9 –
"Insufficient Signal" may also be the reason
for the signal receiving fault.
for 2 seconds to start receiving signals manually.