Owner's manual

27
1. Press the “PROGRAM”
key ( Figure 1 ). Then,
press t he “UP” or
“DOWN” ke y u ntil t he
display sh ows
“SPEAKERPHONE
MODE?”
(Figure 2).
2. Press the “SELECT” key
(Figure 3).
3. Select 2-way Speaker-
phone to a ctivate the
speaker o r sel ect M onitor
Mode to mute the speaker.
Press “SAVE” (Figure 4).
4. Press “EXIT” to exit the
program mo de or p ress
“UP” o r “DOWN” t o co n-
tinue s crolling through the
program mode.
Save Select Exit
PROGRAM
Figure 1
THEN PRESS
↓ = P r e v ( S e l e c t ) N e x t = ↑
S P E A K E R P H O N E M O D E ?
Figure 2
DISPLAY WILL READ
Save
Select
Exit
Figure 3
PRESS SELECT KEY
[ 2-w a y S p k r p h o n e ] ( S a v e )
S p e a k e r p h o n e M o d e :
Figure 4a
DISPLAY WILL READ
[ M o n i t o r M o d e ] ( S a v e )
S p e a k e r p h o n e M o d e :
Figure 4b
DISPLAY WILL READ
Programming Speakerphone Mode
The DC640 includes an option for 2-way Speakerphone or Monitor Mode.
When “MONITOR MODE” is enabled, v oice t ransmission au tomatically st ops
when the speakerphone key is pressed. MUTE will activate and the LED indica-
tor will illuminate when the sp eakerphone i s turned on through the SPEAKER
key, or the LINE key, or from an incoming Intercom call. The MUTE feature will
activate when the user switches from the han dset or h eadset to the speaker-
phone during an active call.
When “MONITOR MODE” is enabled, the MUTE feature can be turned OFF to
enable voice transmission on the speakerphone by pressing the MUTE key.
If the di rectory number s are switched or a call is pl aced o n h old and the n
released, the MUTE feature will be reactivated.
The “ 2-WAY SPEAKERPHONE” option all ows the voice to go out a utomati-
cally to the speaker without muting voice transmission.