System information
Artistic Licence Engineering Ltd.  Micro-Scope 3a Manual 
67 / 78 
POWER 
SUPPLY 
Micro-Scope 3a has an internal Ni-Cd rechargeable battery that 
provides a life of about 25 hours between recharges (this is 
reduced to 15 hours when the backlight is used continuously). The 
external 9 Volt DC power supply is used to power and recharge 
Micro-Scope. 
CONNECTOR 
Pin 
Function 
Centre 
+9VDC 350mA 
Skirt 
Ground 
E X T E R N A L  
C O N N E C T I O N S  










