NHRC-10 User Guide
Copyright
1999, 2000, 2001, NHRC LLC. All Rights Reserved.
Page 17
2.10 The LED Indicators
The NHRC-10 has ten LED indicators. These LEDs indicate the state of various inputs
and outputs of the controller. The LEDs are particularly useful during setup. The LEDs
display the following information:
NHRC-10 LED Indicator Functions
LABEL COLOR
USE
+12V Red
Power
Indicator
MAIN PTT
Red
Main Repeater Transmit
MAIN COR Green
Main Repeater Unsquelched
MAIN PL
Green
Main Repeater CTCSS Detect
RB PTT
Red
Link/Remote Base Transmit
RB COR
Green
Link/Remote Base Unsquelched
RB PL
Green
Link/Remote Base CTCSS Detect
DTMF1
Yellow
Main Repeater DTMF Detect
DTMF2
Yellow
Phone Line DTMF Detect
DTMF3
Yellow
Link/Remote Base or Control Receiver DTMF Detect
Jumper JP4 enables all the LEDs with the exception of the power LED. JP4 can be
removed to reduce the current consumption of the NHRC-10 for low-power applications,
such as solar or wind powered repeaters.