Toshiba Strara CTX Series Installation And Maintenance Manual page 243

Good – provides full-duplex operation with the Internal or External Microphone. This is ideal for
a small office with high echo.
Normal – provides full-duplex operation with the Internal or External Microphone. This works
well with an open office area, such as an office cubicle.
Table 7-12 shows the switch positions for the three different settings.
Table 7-12 DKT2020-FDSP DIP Switch Settings
Full Duplex Setting
Best
Good
Normal
(Default)
DIP Switch 5 ON for Internal Microphone; OFF for External.
The first four DIP switches are used to select the country, same as all other DK2000/2500-
Note
series telephones. The default DIP switch settings (1~4) are preset to On for the USA and
Canada. If you need to make adjustments for other countries, see
To use the External Microphone
1. Plug in the RFDM External Microphone to the bottom of the phone (see
2. Turn the microphone On by opening it (see
Note The High/Low switch works independently from the telephone's speakerphone. This setting
must be on High for proper operation.
Important!
The microphone has a narrow voice pick-up range so the front of the microphone should always
point toward the person speaking (see
Be sure to place the microphone at least one foot from the telephone speaker and do not point the
microphone toward the telephone speaker grille.
To use the external microphone in a conference room setting, place the microphone away from all
parties to eliminate some of the directionality effect. Parties may have to speak up to be heard.
The RFDM External Microphone is not compatible with the HHEU or BHEU.
CAUTION! Avoid pulling the microphone cord excessively.
Strata CTX I&M September 2002
DIP Switch
1 2 3 4 5
ON ON ON ON ON OFF ON
ON ON ON ON ON
ON ON ON ON ON
Figure 7-40).
Figure 7-41).
DIP Switch Position
6 7
ON
1 2 3 4 5 6 7
ON
ON OFF
1 2 3 4 5 6 7
ON
ON ON
1 2 3 4 5 6 7
ON
1 2 3 4 5 6 7
Table 7-11 on Page
Figures 7-38
Station Apparatus
5206
7-43.
and 7-39).
7-45