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Full-duplex Speakerphone
Dip Switches
Strata DK Digital Telephone 6/00 123
➤ To force the telephone into Speech Training mode
➤
During a call, momentarily press 9RO▲, 9RO▼, +ROG or 0,&.
During Speech Training mode, the speakerphone operates in half-duplex mode.
Tips for best results
♦ Avoid blocking the microphone or shuffling paper near the microphone.
♦ Avoid placing the speakerphone where it can detect excessive background noise,
especially during Speech Training mode.
♦ Avoid moving the telephone during a call—this changes the room’s acoustic
properties. If the telephone or microphone is moved, you may have to force the
Speech Training mode.
Special Button Operation (Button 10)
When using the external or Internal Microphone, button 10 works as a toggle from
full- to half-duplex on the DKT2020-FDSP.
5241
Button 10
toggles
between full-
and half-duplex.
Figure 9 Button 10 on the Full-duplex Speakerphone