Specifications - Icom IC-4008A Manual

8
OTHER FUNCTIONS
. Optional HM-75A functions
The optional HM-75A allows you to remotely select operating chan-
nels, open the squelch, etc. The switches on the HM-75A function
as follows.
~
CAUTION: When connecting the HM-75A to the transceiver,
~
~
make sure that power to the transceiver is turned OFF, other-
wise the transceiver may malfunction.
SWITCH NORMAL
A
Smart-Ring
B
Open squelch
UP
Change the oper-
ating
6
numberup.
DOWN
Change the oper-
ating
\l
number down.
PTT switch
Lock switch:
Locks all
switches
except [PH]
While holding [PTT]
No function
No function
channel
Smart-Ring
channel
Call-Ring
~
O@
SPECI FICATIONS
GENERAL
. Frequency c overage:
462.5625-467.7125 MHz
. Mode : FM (8K50F3E)
.
. No.of operatingch. : 14 (simplex)
Frequencystability: :1:4 ppm; :1:1.7 k Hz
. Frequencyresolution: 25 kHz
. Powersupply requirement:4.5 V (AAx 3) or BP-202
. Currentdrain : 400 mAtypical
. Operatingtemp. range: +14'F to +122'F (-10'C to +50'C)
. No. of CTCSSfreq. : 38
. Dimensions : 55.5(W)x102.5(H)x26.5(D) mm
(projections not included)
. Weight : 180g (including3 AA batteries)
TRANSMITTER
.
: Less than 500 mW ERP
Outputpower
. Maximum deviation : :1:2.5
:Less than -40dB
. Spurious emissions
. Ext. mic. connector
: 3-conductor 2.5 (d) mm/2.2 kQ
RECEIVER
. Receive system
: Double-conversion superheterodyne
. Sensitivity
: Less than 0.2 ~V
.
(12 dB SINAD)
Selectivity : More than 8.5 kHz/-6 dB
.
.
Spurious and image rejection ratio: More than 40 dB
Adjacent ch. selectivity: More than 40 dB
.
. Intermodulation rejection ratio: More than 40 dB
Audio output power : More than 100 mW at 10 %
.
(at 4.5 V DC) distortion with an 8 Q load
Ext. speaker connector: 2-conductor 3.5 (d) mm/8 Q
stated specifications are subject to change without
All
notice or obligation,
911
kHz