RockJam RJ640 - External Connections; Display Screen

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External Connections
Display Screen
LCD Screen - applies to models RJ541, RJ541-SK, RJ641, RJ641-SK
LED Screen - applies to models RJ540, RJ540-SK, RJ640, RJ640-SK
1. AUX IN (For Music
Playback)
2. MIC Input (For Electret
Microphone)
3. Headphone Output
4. DC 9V Power Input
1. TONE, RHYTHM or DEMO song
2. Tempo value of rhythm and song (bpm)
3. Metronome for rhythm and song
4. Mode Indicator 1
5. Sound Equalizer
6. Volume level display
7. Mode Indicator 2
8. Key Indicator
1. 3-Digit LED Display