Contents

43-687.fm Page 5 Friday, August 13, 1999 11:12 AM

CONTENTS
Installation	6
Mounting the Phone	6
Connecting to the Phone Lines	6
On a Desk Top	7
On a Wall Plate	8
Directly on a Wall	9
Connecting and Charging the Battery Pack	11
Setting the Dialing Mode	13
Setting the Ringers’ Volume	13
Operation	14
Using the Handset	14
Making a Call	14
Answering Calls	14
Setting the Handset Volume	14
Using the Speakerphone	15
Making a Call	15
Answering a Call	15
Adjusting the Speakerphone Volume	15
Using Mute	15
Putting a Call on Hold	16
Using Redial	16
Switching Between the Handset and Speakerphone	16
Using Both the Handset and Speakerphone	17
Making a Conference Call	17
Three-Way Conference Call	17
Four-Way Conferencing	17
Using the ET-687 With Extension Phones	18
Using Flash	18
Using Tone Services on a Pulse Line	18
Using Page/Intercom	19
Memory Dialing	20
Storing a Number in Memory	20
Entering a Pause	21
Dialing a Memory Number	21
Chain-Dialing Service Numbers	21
Testing Stored Emergency Numbers	21
Using a Headset	22
Troubleshooting	23
Care and Maintenance	25
Replacing the Battery Pack	26
The FCC Wants You to Know	27
Lightning	27