4.3
24V DC power input
6.5 +48
When the power supply of 24V DC starts, the unit can work normally.
When the power supply of 24V DC stops, the unit will stop working.
Fig 4.4
Note:
1. Please make sure the power inputs are in the safety specified range to avoid any accidents.
2. The power supply is providing power source to the unit. Make sure the power supply is safely
used and pull out the power cord when not using.
4.4 2 & 4 tone selector
When the chime tone is turned to 2T, it means two audio signals are selected;
when turned to 4T, it means four audio signals are selected.
Note:
1. Please be more careful when turning the chime tone selector to avoid any damage of the
selector by excess force.
2. Do not turn the tone selector to the mid position while using in case the corresponding audio
source could not be used.
6
OPERATION
ON
OFF
CHIME VOL.
MASTER VOL.
MIC VOL.
CHIME
2 TONE
4 TONE
LINK
24V
2A
POWER
9
Fig 4.3
ON
OFF
CHIME VOL.
MASTER VOL.
MIC VOL.
CHIME
2 TONE
4 TONE
LINK
24V
2A
POWER
14
ON
OFF
CHIME VOL.
MASTER VOL.
MIC VOL.
CHIME
2 TONE
4 TONE
LINK
24V
2A
POWER
ON
OFF
CHIME VOL.
MASTER VOL.
MIC VOL.
CHIME
2 TONE
4 TONE
LINK
24V
2A
POWER
Summary of Contents for RM-4012
Page 11: ...9 6 BLOCK DIAGRAM...
