User's Manual

follows:
Holding down the qing code button 1 and 2 at the same time, this time the yellow light on
the PCB began to regular twinkle and PCB buzzer interval, when the yellow light about 10
seconds after long bright or not bright and PCB buzzer sirens, the qing code successfully.
MD-326R is both Receiver and Transmitter. Receiving and Transmitting can't work at the
same time.
Receiver(MICRF211 module): Normal working status of siren is receiving signal(Normal
mode). The siren can receive signal from the control panel and the RF accessories(keyfob
and PIR detector).
1)From the control panel:
When the siren is enrolled to the control panel, once alarm trigger, the control panel will
send ASK signal to the siren, the siren will sound and flash light after receiving ASK alarm
signal from the control panel. After receiving the ASK disarm signal from the control panel,
the siren will stop sounding and the flash light.
2)From the RF accessories:
When is RF keyfob and PIR detector is enrolled to the siren, the siren will be armed status
after receiving armed signal ASK from the keyfob. During armed status, the siren will be
set off if it received alarmed signal from the PIR detector enrolled. Then the siren will
sound and flash light. The siren will stop alarm and flash light when receiving disarm
signal from keyfob.
Transmitter:
The siren will transmit signal as below three case
1)When the siren receives a signal from the control panel enrolled, it will send a response
signal to the control pael after 3 seconds , signal time duration is less than 2s.
2)When the tamper of siren is triggered, the siren will send a tamper alarm signal to the
control panel, signal time duration is less than 2s.
3)Heatbeat every 2 hours to the control panel, signal time duration is less tahn 2s.