Casio CTK-900 Electronic Keyboard User Manual


 
Power Supply
E-12
Power Supply
This keyboard can be powered by current from a standard
household wall outlet (using the specified AC adaptor) or by
batteries. Always make sure you turn the keyboard off
whenever you are not using it.
Always make sure you turn off the keyboard before loading
or replacing batteries.
1. Remove the battery compartment cover.
2. Load six D-size batteries into the battery
compartment.
Make sure that the positive (
+
) and negative (–) ends
are facing correctly.
3. Insert the tabs on the battery compartment cover
into the holes provided and close the cover.
1
Tab
The keyboard may not function correctly if you load or
replace batteries with power turned on. If this happens,
turning the keyboard off and then back on again should
return functions back to normal.
The following shows the approximate battery life.
Manganese batteries: Approximately 4 hours
The above value is standard battery life at normal
temperature, with the keyboard volume at a medium
setting. Temperature extremes or playing at very loud
volume settings can shorten battery life.
Misuse of batteries can cause them to leak, resulting in damage
to nearby objects, or to explode, creating the risk of fire and
personal injury. Always make sure you observe the following
precautions.
Never try to take batteries apart or allow them to
become shorted.
Never expose batteries to heat or dispose of them by
incineration.
Never mix old batteries with new ones.
Never mix batteries of different types.
Do not charge the batteries.
Make sure the positive (
+
) and negative () ends of the
batteries are facing correctly.
Misuse of batteries can cause them to leak resulting in damage
to nearby objects, or to explode, creating the risk of fire and
personal injury. Always make sure you observe the following
precautions
Use only batteries that are specified for use with this
product.
Remove batteries from the product if you do not plan to
use it for a long time.
Using batteries
To load batteries
Important Battery Information
707A-E-014A
CTK900_e.book 12 ページ 2005年3月9日 水曜日 午後5時29分