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POWER
ON OFF
MIX LINE AUX DIGITAL
REMOTE
RC-5 EXT. INT.
FOOT
PEDAL
IN
OUT
IN
OUT
R
L
R
L
INOUT
OUT
DC IN
9 10
Controls, Connections (rear) contin-
ued
POWER
ON OFF
10 Power switch
Push and release to turn power ON (in
position). Push and release to turn
power OFF (out position).
Normally, to retain memory, leave this switch at ON
and turn power on and off with the Standby POWER
slide switch on the top of the unit.
DC IN
9 DC IN
The CDR300 can be powered
by a Lead Acid, NiCd, or NiMH
battery power supply. A Lead
Acid power supply is available
from Superscope Technologies (630) 820-4800 or
www.superscope-marantzpro.com.
DC IN pin out
DC IN
1
2
3
4
1 12VDC -
2 not used
3 not used
4 12VDC +
BATTERY SELECT
A DC power supply with Lead Acid, NiCd, or NiMH
batteries can be used, but batteries differ in electrical
characteristics.
Determine which battery type is used. With the
CDR300 at Stop push and release the MENU/STORE
button. Turn the SELECT control so BATTERY SE-
LECT is displayed.
Push and release the SELECT control.
Turn the SELECT control to choose between Lead
Acid and NiCd/NiMH.
TOTAL TRACK
R
L
dB-50 -30 -22 -16 -12 -8 -4 0
CD
When correct push and release MENU/STORE.
TOTAL TRACK
R
L
dB-50 -30 -22 -16 -12 -8 -4 0
CD
TOTAL TRACK
R
L
dB-50 -30 -22 -16 -12 -8 -4 0
CD
How to use a DC power supply
- 16 -
Always begin recording sessions with a fully charged
battery regardless of battery type.
Plug the DC power supply into DC IN (9). Push the
Power switch (10) in to ON. Turn power on with the
Standby POWER slide switch on the top of the unit.
Battery life depends on use and battery type. A low
battery indicator is built in. When the CDR300 detects
a low battery condition during recording the red
STANDBY light flashes and the display alternates
between PRESS STOP and LOW BATTERY.
TOTAL TRACK
CD-R
R
L
dB-50 -30 -22 -16 -12 -8 -4 0
CD-RW
TOTAL TRACK
CD-R
R
L
dB-50 -30 -22 -16 -12 -8 -4 0
CD-RW
Stop recording as soon as possible. When you stop
recording the temporary TOC will automatically be
updated so your recording is not lost.
After two minutes of LOW BATTERY the CDR300 will
stop recording and will automatically update the
temporary TOC.
Battery Backup
When both AC and DC power supplies are connected
the DC supply serves as a battery backup when AC
power is interrupted.