NHRC-4 Repeater Controller Quick Reference

Configuration Flag Bits
BitHex
Weight
Binary
Value
Feature
0 01 00000001 secondary port is duplex repeater
1 02 00000010 audio delay on primary receiver
2 04 00000100 audio delay on secondary receiver
3 08 00001000 disable DTMF muting
4 10 00010000 digital output is fan control
5 20 00100000 main receiver has priority over link receiver*
6 40 01000000 drop main transmitter to mute DTMF**
7 80 10000000 drop secondary transmitter to mute DTMF**
*Software version >= 1.4 only.
*Software version >= 2.2 only.

Commands
CommandDescription
400x0 <= x <= 4, play CW message x
600x0 <= x <= 7, clear (0) config bit x
610x0 <= x <= 7, set (1) config bit x

Message Contents
Message NumberContentsDefault
0ID messageDE NHRC/4
1primary receiver timeout messageTO
2valid command confirm messageOK
3invalid command messageNG
4secondary receiver timeout messageRB TO

Programming Memory Map
AddressDefault DataComment
0001enable flag
00 Primary & Secondary off
01 Primary repeater enabled
02 Primary enabled, secondary alert mode
03 Primary enabled, secondary monitor mode
04 Primary enabled, secondary transmit mode
0110Configuration Flags (see table)
0200Digital output control
00 off
01 on
02 1/2 sec on pulse
0332Hang timer preset, in tenths
041ePrimary receiver timout timer, in seconds
051eSecondary receiver timout timer, in seconds
0636id timer preset, in 10 seconds
0700fan timer, in 10 seconds
0801primary receiver courtesy tone
0911primary receiver courtesy tone
secondary transmitter enabled
0a31primary receiver courtesy tone
secondary receiver alert mode
0b03secondary receiver courtesy tone
0c33secondary receiver courtesy tone
secondary transmitter enabled
0d00reserved
0e0f'O' OK Message
0f0d'K'
10ffEOM
11ffEOM
12ffEOM
13ffEOM
1405'N' NG Message
150b'G'
16ffEOM
17ffEOM
18ffEOM
19ffEOM
1a03'T' TO Message
1b0f'O'
1cffEOM
1dffEOM
1effEOM
1fffEOM
200a'R' TO Message
2122'B'
2200' '
2303'T'
240f'O'
25ffEOM
2609'D' CW ID starts here
2702'E'
2800space
2905'N'
2a10'H'
2b0a'R'
2c15'C'
2d29'/'
2e30'4'
2f0aEOM
30ffEOM
31ffEOM
32ffEOM
33ffEOM
34ffEOM
35ffEOM
36ffEOM
37ffEOM
38ffEOM
39ffEOM
3affEOM can fit 20 letter id
3bffEOM (safety)

Morse Code Character Encoding
CharacterMorse
Code
Binary
Encoding
Hex
Encoding
sk...-.-0110100068
ar.-.-.001010102a
bt-...-0011000131
/-..-.0010100129
0-----001111113f
1.----001111103e
2..---001111003c
3...--0011100038
4....-0011000030
5.....0010000020
6-....0010000121
7--...0010001123
8---..0010011127
9----.001011112f
a.-0000011006
b-...0001000111
c-.-.0001010115
d-..0000100109
e.0000001002
f..-.0001010014
g--.000010110b
CharacterMorse
Code
Binary
Encoding
Hex
Encoding
h....0001000010
i..0000010004
j.---000111101e
k-.-000011010d
l.-..0001001012
m--0000011107
n-.0000010105
o---000011110f
p.--.0001011016
q--.-000110111b
r.-.000010100a
s...0000100008
t-0000001103
u..-000011000c
v...-0001100018
w.--000011100e
x-..-0001100119
y-.--000111011d
z--..0001001113
space0000000000
EOM11111111ff

NHRC-4 Repeater Controller Page
NHRC-4/M2 Repeater Controller Page
NHRC-4/MVP Repeater Controller Page
/nhrc-4/nhrc4ref.php, version 1.21, last modified 02 January 2005 17:19
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