tI' Talk Range
The IC-4008A is designed to maximize performance and im-
prove transmission range in the field. However, the single
most important factor in transmit range (talk power) is your
surrounding environment. These radios are "line of sight" ra-
dios and as such, transmission range is influenced by the de-
gree to which you can "see" the other communicating party.
Large concrete structures and heavy foliage or transmission
from inside a building or vehicle will reduce your talk power.
. Optimal range: wide, open areasfree of obstructions. (up to
2 miles)
. Medium range: large buildings or trees blocking your line of
sight.
. Minimum range: mountainous areas or areas of heavy fo-
liage.
13
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711
. Smart-Ring
RING FUNCTION
The ring function has an answer back feature. This allows you to
confirm whether or not a call has reached the receiving party even
if the operator is temporarily away from the transceiver. (This func-
tion available between IC-4008As only.)
CDSet the same group channel number for
all of your group transceivers. (See left.)
@ While pushing [PH], push~UP]/[A] .
0 A beep is emitted and" ." blinks on
the display.
Q) Release the [PH].
0 When a member of your group an-
swers your call, the transceiver emits
beep tones for 10 sec. and blinks" i ".
0When no answer comes back, the transceiver emits 3 short
faint beep tones.
@)Push [PH] to answer and to stop the beeps and flashing.
c.c=ca
~NOTE: This function is available only when the called station
~ has set the same group number and the same operating chan-
~ nelsas you.
. Call-Ring
Sends the ring tones during transmit
mode.
.. While pushing [PH], push [DOWN]/[T]
to send a ring tone.
0 The ring tone is emitted while pushing
[DOWN]/[T].
0 The microphone signal is automati-
cally cut while pushing [DOWN]/[T].
14
6
CTCSS: Continuous Tone Coded Squelch System
0 CTCSS code table
01 67.0
11
97.4
21
136.5 31 192.8
02 71.9 12 100.0 22 141.3 32 203.5
03
74.4 13
103.5
23 146.2 33 210.7
04 77.0 14 107.2 24 151.4 34
218.1
05 79.7
15 110.9
25
156.7
35 225.7
06 82.5 16 114.8 26 162.2 36 233.6
07
85.4 17 118.8
27
167.9
37
241.8
08 88.5 18 123.0 28 173.8 38 250.3
09 91.5 19 127.3 29 179.9
---
OFF
10 94.8 20 131.8 30 186.2
"
(unit: Hz)
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