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K. BUZZER

Any key pressed on panel or fan controller receives a control signal from remote control

handset, will generate a 4KHz 50% duty cycle pulse train on buzzer output pin.

a. When FAN is from stop mode to start mode (press SPEED or ON_OFF key)

Buzzer output will generate a "BI-BI" sound.

b. When FAN is from start mode to stop mode (press OFF/ON_OFF key)

Buzzer output will generate a long "BI" sound.

c. When FAN is operating (press any key other than OFF/ON_OFF key)

Buzzer output will generate a "BI" sound.

When

a = c = e = 62ms

b = 124ms

d = 250ms

* MASK OPTION

Fan controller will generate a 150ms duration 2KHz 50% duty cycle pulse train on BUZ output

pin.

a

b

c

d

e

V.2.0 Mar 8, 2002

SM3015

三合微科股份有限公司

REMOTE FAN MCU