Icom IC-2800H Instruction Manual page 55

D Setting subaudible tones for tone squelch
operation (CTCSS tones)
Separate tone frequencies can be set for tone squelch oper-
ation than for repeater operation (the same range of tones is
available). Like repeater tones, these are set in the edit
screen.
q Select the mode/channel you wish to set the CTCSS tone
frequency to, such as VFO mode or memory/call channel.
w Push the desired band's [
(MAIN)
edit screen.
• Push [CHG/L] if [(MAIN) EDIT] is not displayed.
e Push [Y] or [Z] to select the 'C-Tone' item.
• Left-hand tuning dial can also select the item.
MEMORY E D I T
145.320
( T S = 12.5k)
Y
Name
R - Tone
Z
C - Tone
OW
r Rotate the right-hand tuning dial to select the desired fre-
quency.
• The CTCSS tone frequency is set temporarily. Push [MW] for 2
sec. to store the tone frequency permanently.
• The color of the frequency indication changes when the setting is
different from the memory or call channel contents.
EDIT] for 2 sec. to enter the
ï
12
CH
ICOM2800
88. 5 SKIP
1 23. 0
0.6000
MW
SUBAUDIBLE TONE OPERATION
t If you want to set other channels, push [CH] then rotate the
right-hand tuning dial. Repeat e and r to select the de-
sired frequency.
y Push [ï] to exit the edit screen.
The tone frequency can be set in a memory channel tem-
porarily. However, the set contents are cleared once the
other memory/call channel is selected. To store the tone
frequency permanently, push [MW] for 2 sec. at step r to
overwrite the information.
• Available CTCSS tone frequencies
67.0 82.5 100.0 123.0 151.4
69.3 85.4 103.5 127.3 156.7
71.9 88.5 107.2 131.8 159.8
74.4 91.5 110.9 136.5 162.2
77.0 94.8 114.8 141.3 165.5
79.7 97.4 118.8 146.2 167.9
The transceiver has 50 tone frequencies and consequently
their spacing is narrow. Therefore, some tone frequencies
may receive interference from adjacent tone frequencies.
12
(unit: Hz)
171.3 189.9 210.7 250.3
173.8 192.8 218.1 254.1
177.3 196.6 225.7
179.9 199.5 229.1
183.5 203.5 233.6
186.2 206.5 241.8
51