Cortelco 8780 instruction manual Maintenance Information

MAINTENANCE INFORMATION

Treat your telephone with care for trouble-free performance. Avoid dropping the handset. Carefully place the handset on-hook after use. Avoid putting near heating appliances and devices that generate electrical noise (for example, motors and florescent lamps).

Clean your telephone with a damp cloth. Stains may be removed with a mild soap. Do not use liquid or aerosol detergents or cleaning agents.

Do not expose to direct sunlight or moisture

Retain the original package in case you need to ship it at a later date.

11.In Use/New

a.Will light up when the unit is in use.

b.Will flash when the unit has a new call.

c.Will flash when the unit is on hold.

12. - Speakerphone/Headset Button

a.Press for handsfree dialing and speak without lifting the handset.

b.Plug in headset to change to headset mode. Press to talk or to end the call.

13.Message Waiting/Ringing Indicator - Will flash when the unit has message waiting information or when it is ringing.

14. - Volume Adjustment Buttons

a.While on-hook, press and hold for 3 seconds to adjust the ringer volume.

b.While using the speakerphone, press to adjust the speaker-phone volume.

c.While using the handset, press to adjust the handset volume.

15.Flash - Provides a line break signal for accessing PBX services or Call Waiting from your local telephone company.

16.Dialing Keys (0-9,*,#)

17.CLID - Review Up and Review Down Buttons

a.Press to review Caller ID Records

b.While in menu, use to select telephone settings.

18.Speaker

19.Wall Mounting Hook - Turn 180 degrees to hang up the handset when the unit is mounted on the wall.

20.Hookswitch - Press to end a call.

21.Handset Hook - When the unit is mounted on the wall, this is used to hang up the handset without hanging up the line.

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