Retekess TR508 - Hardware Basics; Audio Volume Control; MIC Volume Control; Audio Input Jack

Hardware Basics
1 2 3 4 5 6 7
- +
VOL
-
+
VOL
108.00
FM
MHz
ST
8
Connect antenna first, then connect the power supply!
ANT
50฀
DC12V-1A
!
9 10
+
-
1、 Audio volume
2、 MIC volume
3、 3.5mm Jack for Audio Cable input
4、 3.5mm Jack for electret microphone (And the computer use
the same microphone) input
5、 Power Button (On/Off)
6、 "+"Frequency Up Button (To increase the radio frequency)
7、 "-"Frequency Down Button (To decrease the radio
frequency)
8、 LCD Digital Display for the Radio Frequency
9、 Jack for DC 11-13V
10、 Antenna socket
5