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420 Speakerphone (V2)
The 420 Speakerphone (Figure 4-6) is a single-line voice terminal that can be desk or wall
mounted. This set comes equipped with the following:
● Handset
● Touch-Tone Dial
● Built-In Speakerphone
● Twelve Memory Buttons—Where emergency numbers and frequently called numbers
can be stored for quick calling.
● Six Fixed Feature Buttons
— Program—For entering the memory button programming mode.
— Redial—For recalling the last number dialed.
— Flash—For generating a timed switchhook flash.
— Mute—For turning off the speakerphone microphone temporarily for privacy
— Hold (with status lamp)—For putting calls on hold.
— Speaker (with status lamp)—For making speakerphone calls and for turning
on the speaker during handset calls.
● Tone Ringer
● Three Volume Controls
— Tone ringer
— Speaker
— Handset receiver.
Adjuncts: None
4-16