How To Check Tilt Sensor; Time Calibration Signal Test Mode - Casio QW-3042 Service Manual

5-4. HOW TO CHECK TILT SENSOR

1) Press E, A and D buttons simultaneously in the timekeeping mode.
2) Check the display indicates as figure 4.
3) Tilt the watch towards you for 45 degrees so that the six o'clock side comes downward.
Tilt the watch in the following order for three times;
0 degree (for one second) -> 45 degrees (for one second) -> 0 degree.
4) Check the display indicates as figure 5 (for more than five times).

5-5. TIME CALIBRATION SIGNAL TEST MODE

1) Press E, B and C button at the same time to enter the test mode.
2) Press B button to switch from one signal source to another.
J40 : Fukushima, Japan (Call Sign: JJY, Frequency: 40kHz)
J60 : Fukuoka/Saga, Japan (Call Sign: JJY, Frequency: 60kHz)
U60: Fort Collins, Colorado (Call Sign: WWVB, Frequency: 60kHz)
L60 : Rugby, England (Call Sign: MSF, Frequency: 60kHz)
G77: Mainflingen, Germany (Call Sign: DCF77, Frequency: 77.5kHz)
3) Press C button to start signal reception.
"T L T" appears on the LCD.
Tilt the watch whose LCD faces upward towards
you so that the six o'clock side comes downward
(repeat this for three times).
Figure 4
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"8888" appears on the LCD
(for more than two times).
Figure 5