Midland Radio 75-440 用户手册
75-440 User manual
Page. 18
Roger Beep
A roger beep will be heard by the other party when “PTT” button is released.
To enable or disable Roger Beep “FUNC”:
Press the "FUNC" + CALL” keys.
Key Beep
A beep is heard by the user when any key is pressed with the exception of the “PTT” button.
To enable or disable Key Beep:
Press the “FUNC” key + “MON” button.
Setting “GROUP MODE” (CTCSS/DCS) codes
To SET CODES”: Turn off the radio. Press and hold the “
and
keys. Turn the radio on.
• Select the channel with the “
and
keys.
• Press
the
“FUNC” key to switch the display to TX/RX CODE numbers.
• Press
or
keys to select the desired code. The number is displayed in HEX
format. Refer to the table below.
• Press
the
“FUNC” key to confirm your selection.
• Return to selecting the channel for more programming or turn off the radio to quit copde
setting.
Table: Tone Code vs CTCSS/DCS
NUMBER DISPLAY
CODE TYPE
0
0
NO TONE
NONE
1
1
67.0 Hz
CTCSS
2
2
71.9 Hz
CTCSS
3
3
74.4 Hz
CTCSS
4
4
77.0 Hz
CTCSS
5
5
79.7 Hz
CTCSS
6
6
82.5 Hz
CTCSS
7
7
85.4 Hz
CTCSS
8
8
88.5 Hz
CTCSS
9
9
91.5 Hz
CTCSS
10
A
94.8 Hz
CTCSS
11
b
97.4 Hz
CTCSS
12
C
100 Hz
CTCSS
13
d
103.5 Hz
CTCSS
14
E
107.2 Hz
CTCSS
15
F
110.9 Hz
CTCSS
16
10
114.8 Hz
CTCSS
17
11
118.8 Hz
CTCSS
18
12
123.0 Hz
CTCSS
19
13
127.3 Hz
CTCSS
20
14
131.8 Hz
CTCSS
21
15
135.5 Hz
CTCSS
22
16
141.3 Hz
CTCSS
23
17
146.2 Hz
CTCSS
24
18
151.4 Hz
CTCSS
25
19
156.7 Hz
CTCSS
26
1A
162.2 Hz
CTCSS
27
1b
167.9 Hz
CTCSS
28
1C
173.8 Hz
CTCSS
29
1d
179.9 Hz
CTCSS
30
IE
186.2 Hz
CTCSS
31
IF
192.8 Hz
CTCSS
32
20
203.5 Hz
CTCSS
33
21
210.7 Hz
CTCSS
34
22
218.1 Hz
CTCSS
35
23
225.7 Hz
CTCSS
36
24
233.6 Hz
CTCSS
37
25
241.8 Hz
CTCSS
38
26
250.3 Hz
CTCSS
39
27
69.3 Hz
CTCSS
40
28
159.8 Hz
CTCSS
41
29
165.5 Hz
CTCSS
42
2A
171.3 Hz
CTCSS
43
2b
177.3 Hz
CTCSS
44
2C
183.5 Hz
CTCSS
45
2d
189.9 Hz
CTCSS
46
2E
196.6 Hz
CTCSS