ARMTEL DWEx - Page 16

DWEX DIGITAL LOUD-SPEAKING EXPLOSION PROOF CALL STATION
User Manual
page 14/40 armtel.com
© Armtel info@armtel.com
The key and indication board (KIB board) is fixed by supports on inside of the cover
The board has the following components (see Figure 3):
Figure 3 – External appearance of KIB board
The board has the following components:
– 1, 2, 5 – four-positions DIP-switches («SW6», «SW5», «SW4») for the type of
installed modules in the corresponding cover compartments, depending on the
switch position:
– All switches OFF – nothing is connected (plug is installed);
– Switches №1 ON – two-way toggles (for two connections) installed;
– Switches №2 ON – pushbuttons (8 direct keys module) installed;
– Switches №3 ON – dial pad (keypad module) installed;
– Switches №4 ON – handset and a cradle hermetic sensor installed.
– 3 – volume control of the main amplifier («VOLUME INT»);
– 4 – external microphone sensitivity control («MIC.EXT»);
– 6, 7, 8 – switches «SW3», «SW1», «SW2» for selecting the type of microphone
caps used in the handset, front panel and external microphone correspondingly:
– ON – electret;
– «1» – dynamic.
– 9 – socket «X5» for external microphone with a push-to-talk key;
– 10 – socket «X4» for integrated microphone module;