Advertisement
12.5. Locator/Intercom Mode
1. When the base unit LOCATOR/INTERCOM button is pressed, a
call monitor signal (intercom sound) is output from pins 29 and 31
of IC201. Thus a monitor tone is heard from the speaker.
2. At the same time, flashing of the IN USE/CHARGE (LED202) is
obtained from pin 70 of IC201. This status is called "Intercom
stand-by".
3. The receiving signal flows:
RF
pins 29 and 31 of IC201
4. The transmission signal flows:
MIC
C235, C236
12.6. Telephone Line Interface
SP
R213, R214
pins 46 and 47 of IC201
RF
Advertisement
