Jumper JPD-100A - Main structure; Head-on of the mainframe; Back of the mainframe

9
Probe
LCD display
Switch
Turn down button
Turn up button
Manual calculation start and stop button
Monitor mode switch button
Loudhailer hole
3
Charge junction
1010
1111
1212
1111
1212
Battery storehouse
Label
Back of the mainframe
Head-on of the mainframe
1010
Insert from this position
Main structure
Adapter
Manual calculation start and stop button