About Batteries - Roland SP-404A Owner's Manual

About Batteries

Remove the battery compartment cover located on the bottom of the SP-
404A, and insert the batteries in the correct polarity (direction) as marked
inside the battery compartment. Then close the cover securely.
NOTE
• Battery handling
If you handle batteries improperly, you risk explosion and fluid leakage. Make sure that you carefully observe all of the items related to
batteries that are listed in "USING THE UNIT SAFELY" and "IMPORTANT NOTES" (leaflet "USING THE UNIT SAFELY" and Owner's manual (p. 25)).
• When turning the unit over, be careful so as to protect the buttons and knobs from damage. Also, handle the unit carefully; do not drop it.
When the batteries run low
When the batteries run low, the display's illumination will turn off, and the dot in the lower right of the display and
the [SHIFT] button will start blinking. If the batteries run down completely, "
operations will be possible. If this occurs, replace the batteries immediately.
MEMO
When the remaining battery capacity decreases, the sound may be distorted when the [VOLUME] knob is in certain
positions. If this occurs, replace the batteries.
Types of Batteries That Can Be Used
with the SP-404A
You can use the following types of batteries
with the SP-404A.
Do not use any other type of batteries.
• Alkaline AA SIZE Dry Battery
• Ni-MH AA SIZE Rechargeable Battery
Specifying the type of batteries used
You'll need to specify the type of batteries you're using
(alkaline or Ni-MH rechargeable). The SP-404A will
calculate its remaining battery power based on the setting
you make here.
1. While holding down the [SHIFT] button, turn on
the power .
2. Turn the [CTRL 3] knob to specify the type of
batteries you're using .
The [REC] button will blink when you turn the knob.
Value Description
Alkaline battery
AL
Rechargeable Ni-MH battery
ni
3. Press the [REC] button to confirm the setting .
MEMO
This setting will be remembered even while the power
is turned off.
4
L o
" appears in the display and no further
Checking the Remaining Battery
Power
1. Make sure that the [SELECT] button is unlit .
If it's lit, press the [SELECT] button to turn it off.
2.
Press the [REMAIN] button .
While you hold down the button, the remaining battery
power is indicated by the number of BANK buttons that
are lit. If only the BANK [A/F] button is lit, it's time to
replace the batteries. A while after this indication, the
L o
display will indicate "
to operate the SP-404A.
MEMO
When the power is on with the AC adaptor connected,
all of the [BANK] buttons will be lit.
About Sleep Mode
If you've selected the "
illumination and sleep settings" ( & PDF), all of the SP-
404A's buttons will go out when it has not been operated
for approximately five minutes, and it will enter Sleep
mode. This will extend the battery life when operating on
batteries.
, " and it will no longer be possible
S L P
" (sleep) setting in "Display