Shiro SD8421 user manual Handset’s battery are running low within an hour or two

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User Manual

Move the handset closer to the base unit.

Try a different location for the base unit, perhaps higher, or further from other electrical equipment.

Check the Battery Level symbol on the display. If it is low, replace the handset on the base unit to recharge the batteries.

Switch off power at the mains socket, wait for a few seconds and then switch back on.

8. "The handset’s battery are running low within an hour or two."

Before you used the handset for the first time, you should have left it on the base unit for up to 15 hours to charge the battery fully.

You may need to replace the battery.

9. "Last Number Redial and/or memory dialing don't work on a PBX."

When you first make a call, try press the # button for a pause between the outside line access digit and the telephone number.

You should later be able to redial the number.

10 "I cannot transfer a call."

Make sure the other handset is within range of the base unit, and is not busy on a call.

Make sure you are keying in the correct number for the other handset.

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Contents SD8421 Contents What the symbols mean Left Key Button Right Key Button Handset and Base UnitRadio signals between handset and base unit Setting up your telephoneConnection and conditions for use How many phones can you connect?Whats in this pack Choose a suitable site for the base unit InstallationPage Important safety information Warranty Information To Mute the Mouthpiece Making and Answering CallsMessage Functions To Save Message To Send MessageConference Calling SMS SettingPhone Book To Delete a Number or All Numbers from Phonebook To Check MemoryTo Modify Change a Number in Phonebook To Set External/Internal Ringer Volume 1 -5 level Handset SettingCall Information To Check Call RecordsTo Set External/Internal Ringer Melody 1-9 melody Auto Talk FunctionTo Set Key Tone On/Off To Set Auto-Talk Function ON/OFFBase Setting To Set Flash Time To Set Base Volume 0-4 volume levelTo Set Auto Pause Call Barring Function To Set Dial ModeTo Set Call Barring Number To Delete Call Barring NumberDefault Settings Extra SettingTo Set Alarm Time To Set Clock TimeHandset Registration Resetting the systemTo register a handset To transfer a call Intercom and transferHandset does not ring TroubleshootingHandset’s battery are running low within an hour or two Declaration of conformity Technical details