54 55ADDITIONAL FEATURES A DDITIONAL FEATURES• Clean the charging points.• Consistently short battery life mayindicate that replacement of the bat-teries is necessary.TroubleshootingSymptomNo operationNo dial toneWarning beepoccurs whenmaking a call.The handsetseems to havevery short bat-tery life.Check• Check that the handset is not too farfrom the base.• Check that the handset batteries arenot in low status.• Check that the handset is properlyregistered on the base.• Check that the handset is withinrange of the base unit.• Check that the power adapter is prop-erly connected.• Check that the power adapter is prop-erly connected.• Check that the handset is properlyregistered on the base.• Check that the handset is withinrange of the base unit.• Check that the handset is fullycharged.• Check that the handset batteries areinstalled properly.Do Not DisturbWhen you do not want to be disturbed with any incomingcalls, this feature allows you to block incoming calls tem-porarily. You can still make and receive calls. You can set upthis feature in Standby mode or Talk mode.To activate (or cancel) this feature:1. Press MENU in Standby mode or in Talk mode.2. Press ❷ (or #) repeatedly to choose 7: DND in Standbymode (or 2: DND in Talk mode), then press OK button.3. Press ❷ (or #) to choose ON. To cancel this feature, chooseOFF.4. Press OK button to save the settings. Then press toreturn to Standby mode.Result: With this feature on, the LCD window displays Do NotDisturb to remind you of the mode and iconappears.Do Not Disturb1234 SAMSUNG08/25 FRI 10:30A DND icon