Wireless FM Transmitter 668A

1. lnsert two pieces of 1.5V AAA size batteries in the battery compartment.The LCD display will show the time.

2. Press ON/OFF button once enter transmit mode, LCD will show the current transmit frequency .press or button to increase or decrease adjust frequency. Press ON/ OFF button once again to stop transmit and the real time will show on LCD display.
3. When you want store current frequency, press M1,M2 or M3 button for about 3 seconds for the store location for you to select frequency easily . When you want to use the store frequency , Press M1.M2 or M3 button once .The memory number will show on display.

4. When the unit show the time , press and hold SET button for about 3 seconds enter setting mode , the last number of minute will flash , press or button to set your desired digit , press SET button to confirm and enter to set the first digit of minute , using the same operation to set the digit of minute and hour .The LCD will show the time after not pressing button for about 3 seconds.

5. When in the transmit state , press SET button will show the time for about 3 seconds.

6. Low battery detect function .

7. Temperature display.

Specifications:
(1) Frequency response :20Hz-20KHz

(2) Separation:ÿ?0Db

(3) Operating current:38mA

(4) Transmission range:87.5-108.0MHz(interval 0.1MHz)

(5) Power source: 2AAA batteries or the carÿ®s power source

(6) Transmit distance¡¾5m

(7) Distortion ÿ?%(F=75KHz.f=1KHz)

(8) Signal to noise ratio ÿ?5db

Email: simon(at)steily.com