DTS-
ТОР
MULTIFUNCTIONAL TELEPHONE
User Manual
page 18/51
armtel.com
© Armtel
a) a slot
b) to open the cap of the key upwards
Figure 8 – The way of opening of the key cap
1.2.4 HADSET
In DTS-TOP, a handset is used, consisting of a body, a dynamic telephone capsule and a
microphone. Inside the body there is permanent magnet, which, when the handset is removed, opens
the reed switch located under the cover, thereby turning-on the handset. The high-resistance
telephone capsule provides a range of reproducible frequencies from 300 to 3400 Hz. The handset
has a highly sensitive circular microphone with a range of perceived frequencies from 100 Hz to 10
kHz.
1.2.5 SPEAKER
DTS-TOP uses a wideband 2,5 Inch broadband speaker with plastic membrane, main
specifications are as follows: rated resistance 8 Ohm, frequency range from 200 to 15kHz is used
in DTS-TOP.
1.2.6 DISPLAY
To display additional information and for user convenience, DTS-TOP uses TFT
graphic display with LED backlights, with 4.3” diagonal, the resolution of 480*272 pixels that
ensures clear visibility of displayed data. The anti-reflective coating improves perceiving of
information displayed, it is applicable for bright lighting conditions as well.
Display indicates DTS-TOP number in the network, current date and time, functions
performed when keypress, types of established communication during incoming and
outgoing calls, numbers of called and calling subscribers.
ENG
