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(superscript: 5) Bell Signal)
(superscript: An alerting signal (Bell signal) is detected by means of a
Photo Coupler (IC4) which has a sufficiently high impedance.)
(superscript: 6) Power Supply Circuit)
(superscript: The power supply circuits are composed of Q7, Q11 and a
zener diode type D11 and D13. These are voltage regulator circuits to
stabilize input voltage from the AC Adapter to attain a stable operation.)
(superscript: Digital Security Code Information)
(superscript: =================================)
(superscript: 65536 Digital Security Code)
(superscript: This cordless telephone system automatically selects a
different security code from 65536 possible discrete digital codes each
time the cordless telephone is used.)
(superscript: Furthermore, the security code can be changed randomly by
pressing PAGE button on the base unit when the handset is placed in the
base unit.)
(superscript: [APPENDIX]
TEST MODE AND OPERATION FREQUENCY)
(superscript: TEST MODE)
(superscript: This cordless telephone has test mode function which enable
to perform TX/RX testing.)
(superscript: Test Mode for Base Unit)
(superscript: To enter the test mode, connect the AC Adapter to the unit
while)
(superscript: pressing the PAGE button. When test mode is set up, and the
LINE LED lights. The unit is set for CH 19 (926.897468MHz) Transmitting
mode.)
19
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