ITT Out Limits LX Instrukcje Operacyjne Pobierz pdf (Strona 41)

IX. Appendix 1

Troubleshooting

Failure

Possible cause

The phone fail to power

1、 Check that the battery is charged;

2、 Check that the battery is installed correctly.

SIM card error

1、 Check whether the SIM card is dirty. If the card is dirty, clean it；

2、 Reinstall the SIM card；

3、 If the SIM card is damaged, replace the SIM card.

Weak signal

Check that the signal intensity indicator on the screen. 4 bars indicate a

strong signal, and 2 bars or less indicate a weak signal.

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ITT Out Limits LX Instrukcje Operacyjne Strona 41