Schwinn 520 Assembly Manual / Owner's Manual page 11

7. Connect the Cables and Attach the Console Support Arm to the Seat Frame Assembly
Note: Do not crimp the Console Cables,
X2
8. install Batteries into Console
Do not mix alkaline, standard (carbon-zinc), or rechargeable
(Ni-Cd, Ni-MH, etc) batteries,
................... _j15