Icom Ic-4088a Frs Uhf Fm Transceiver Instruction Manual
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![Page 16
10
5
RECEIVE AND TRANSMIT
qSelect the desired operating
channel with [Y]/[Z].
When a signal is received:
• “” indicator appears on the
display.
•Squelch opens and audio is
emitted from the speaker.
- Further adjustment of [VOL]
may be necessary at this point.
wPush and hold [PTT] to transmit
then speak into the microphone.•Do not hold the transceiver too
close to your mouth or speak too
loudly. This may distort the sig-
nal.
•The transmit indicator “” ap-
pears on the display.eRelease [PTT] to return to...](http://img.usermanuals.tech/thumb/2452/82227/w64_icom_ic-4088a-uhf-prs-porto_manual_d-15.png "Page 16
10
5
RECEIVE AND TRANSMIT
qSelect the desired operating
channel with [Y]/[Z].
When a signal is received:
• “” indicator appears on the
display.
•Squelch opens and audio is
emitted from the speaker.
- Further adjustment of [VOL]
may be necessary at this point.
wPush and hold [PTT] to transmit
then speak into the microphone.•Do not hold the transceiver too
close to your mouth or speak too
loudly. This may distort the sig-
nal.
•The transmit indicator “” ap-
pears on the display.eRelease [PTT] to return to...")
![Page 18
12
6
GROUP MODE (CTCSS)
Setting the group codeThe IC-4088A is equipped with 38 group codes. Group mode oper-
ation provides communication with silent standby since you will only
receive calls from group members using the same group number.
First of all, set the same group code number for all group member’s
transceivers.
To turn ON the group mode op-
eration:
qPush [MODE] to enter set mode.•“---” (group mode OFF) appears
on the display. wPush [Y] or [Z] to select the de-
sired code number.
ePush [MODE]...](http://img.usermanuals.tech/thumb/2452/82227/w64_icom_ic-4088a-uhf-prs-porto_manual_d-17.png "Page 18
12
6
GROUP MODE (CTCSS)
Setting the group codeThe IC-4088A is equipped with 38 group codes. Group mode oper-
ation provides communication with silent standby since you will only
receive calls from group members using the same group number.
First of all, set the same group code number for all group member’s
transceivers.
To turn ON the group mode op-
eration:
qPush [MODE] to enter set mode.•“---” (group mode OFF) appears
on the display. wPush [Y] or [Z] to select the de-
sired code number.
ePush [MODE]...")
![Page 20
14
7
SCAN FUNCTION
Scanning is an efficient way to locate signals quickly over all chan-
nels. Select scan resume condition in advance, using Initial Set
Mode (p. 17)DStarting the scan➥While pushing [Y], push [Z] to
start the scan.
• “-” flashes.
• While pushing [Z], pushing
[Y] also starts the scan.
• Push [Z] or [Y] to change the
scanning direction or resume
the scan manually.
• To cancel the scan, push [Z]
(or [Y]) while [Y] (or [Z]) is
pushed, or push [PTT].
CH 14
CH 3
CH 2
CH 1
CH 4
CH 5
[Z][Y]...](http://img.usermanuals.tech/thumb/2452/82227/w64_icom_ic-4088a-uhf-prs-porto_manual_d-19.png "Page 20
14
7
SCAN FUNCTION
Scanning is an efficient way to locate signals quickly over all chan-
nels. Select scan resume condition in advance, using Initial Set
Mode (p. 17)DStarting the scan➥While pushing [Y], push [Z] to
start the scan.
• “-” flashes.
• While pushing [Z], pushing
[Y] also starts the scan.
• Push [Z] or [Y] to change the
scanning direction or resume
the scan manually.
• To cancel the scan, push [Z]
(or [Y]) while [Y] (or [Z]) is
pushed, or push [PTT].
CH 14
CH 3
CH 2
CH 1
CH 4
CH 5
[Z][Y]...")
![Page 21
15
8
RING FUNCTIONS
78
Smart-Ring The ring function has an answer back feature. This allows confir-
mation of whether or not a call has reached the receiving party even
if the operator is temporarily away from the transceiver.
qSet the same group channel
number for all of the group
transceivers. (See p. 12)
wWhile pushing [PTT], push [Y] .•A beep is emitted and “” blinks
on the display.eRelease the [PTT].• When a member of a specific
group answers a call, the trans-
ceiver emits beep tones for
10 sec....](http://img.usermanuals.tech/thumb/2452/82227/w64_icom_ic-4088a-uhf-prs-porto_manual_d-20.png "Page 21
15
8
RING FUNCTIONS
78
Smart-Ring The ring function has an answer back feature. This allows confir-
mation of whether or not a call has reached the receiving party even
if the operator is temporarily away from the transceiver.
qSet the same group channel
number for all of the group
transceivers. (See p. 12)
wWhile pushing [PTT], push [Y] .•A beep is emitted and “” blinks
on the display.eRelease the [PTT].• When a member of a specific
group answers a call, the trans-
ceiver emits beep tones for
10 sec....")
![Page 22
16
9
OTHER FUNCTIONS
Voice scrambler functionThe voice scrambler function provides communication privacy.
qPush [MODE] twice to select voice scram-
bler setting mode.•“Sr-” appears on the display.wPush [Y]/[Z] to turn the function ON and
OFF.•“ ” appears when the voice scrambler is
activated.ePush [MODE] to exit voice scrambler set-
ting mode.
NOTE:All transceivers in a specific group
MUST turn ON the voice scrambler func-
tion. Otherwise the communication will not
possible.Initial set modeInitial set...](http://img.usermanuals.tech/thumb/2452/82227/w64_icom_ic-4088a-uhf-prs-porto_manual_d-21.png "Page 22
16
9
OTHER FUNCTIONS
Voice scrambler functionThe voice scrambler function provides communication privacy.
qPush [MODE] twice to select voice scram-
bler setting mode.•“Sr-” appears on the display.wPush [Y]/[Z] to turn the function ON and
OFF.•“ ” appears when the voice scrambler is
activated.ePush [MODE] to exit voice scrambler set-
ting mode.
NOTE:All transceivers in a specific group
MUST turn ON the voice scrambler func-
tion. Otherwise the communication will not
possible.Initial set modeInitial set...")
![Page 24
DRing tone typeRing tone is selectable with 10 different indi-
vidual sounds.D D
LCD backlightThe IC-4088A has LCD backlight light for nighttime operation, and
the lighting condition can be selected to suits a specific preference,
from Auto, ON and OFF.
Auto (At) :Lights when any switch,
except [PTT], is pushed.
When no key operation is
performed for 5 sec., the
backlight goes OFF.
ON (on) : Lights continuously.
OFF (oF) : Never lights.
18
9
OTHER FUNCTIONS
IC-4088A_2.qxd 03.6.23 11:58 Page 18 (1,1)](http://img.usermanuals.tech/thumb/2452/82227/w64_icom_ic-4088a-uhf-prs-porto_manual_d-23.png "Page 24
DRing tone typeRing tone is selectable with 10 different indi-
vidual sounds.D D
LCD backlightThe IC-4088A has LCD backlight light for nighttime operation, and
the lighting condition can be selected to suits a specific preference,
from Auto, ON and OFF.
Auto (At) :Lights when any switch,
except [PTT], is pushed.
When no key operation is
performed for 5 sec., the
backlight goes OFF.
ON (on) : Lights continuously.
OFF (oF) : Never lights.
18
9
OTHER FUNCTIONS
IC-4088A_2.qxd 03.6.23 11:58 Page 18 (1,1)")
![Page 25
199
9
OTHER FUNCTIONS
Lock functionThis function electronically locks all keys and switches to prevent
accidental channel changes and function access.
➥Continue to hold [PWR] down for
2 sec. after power ON to turn the lock
function ON and OFF.•“ ” appears on the display.
- Only [PWR] and [PTT] are functional.
- The Ring function is also available.
(See p. 15)Low battery indicator➥Appears when the battery is nearing
exhaustion.•A warning beep is emitted while turn-
ing the power ON.➥Blinks when battery...](http://img.usermanuals.tech/thumb/2452/82227/w64_icom_ic-4088a-uhf-prs-porto_manual_d-24.png "Page 25
199
9
OTHER FUNCTIONS
Lock functionThis function electronically locks all keys and switches to prevent
accidental channel changes and function access.
➥Continue to hold [PWR] down for
2 sec. after power ON to turn the lock
function ON and OFF.•“ ” appears on the display.
- Only [PWR] and [PTT] are functional.
- The Ring function is also available.
(See p. 15)Low battery indicator➥Appears when the battery is nearing
exhaustion.•A warning beep is emitted while turn-
ing the power ON.➥Blinks when battery...")
![Page 26
20
9
OTHER FUNCTIONS
ATS
(Automatic Transponder System)
This allows the user to confirm whether or not a call has reached
the receiving party even if the operator is temporarily away from the
transceiver. No “Ring” tone is emitted with this function.
➥While pushing [PTT], push
[MODE] to turn the function ON
and OFF. •“ ” appears on the display.
•The transceiver starts to send a
searching signal every 60 sec.
- When the transceiver receives
an answer back signal, “”
stays on the display until the
next...](http://img.usermanuals.tech/thumb/2452/82227/w64_icom_ic-4088a-uhf-prs-porto_manual_d-25.png "Page 26
20
9
OTHER FUNCTIONS
ATS
(Automatic Transponder System)
This allows the user to confirm whether or not a call has reached
the receiving party even if the operator is temporarily away from the
transceiver. No “Ring” tone is emitted with this function.
➥While pushing [PTT], push
[MODE] to turn the function ON
and OFF. •“ ” appears on the display.
•The transceiver starts to send a
searching signal every 60 sec.
- When the transceiver receives
an answer back signal, “”
stays on the display until the
next...")
15 8 RING FUNCTIONS 78 Smart-Ring The ring function has an answer back feature. This allows confir- mation of whether or not a call has reached the receiving party even if the operator is temporarily away from the transceiver. qSet the same group channel number for all of the group transceivers. (See p. 12) wWhile pushing [PTT], push [Y] .•A beep is emitted and “” blinks on the display.eRelease the [PTT].• When a member of a specific group answers a call, the trans- ceiver emits beep tones for 10 sec. and blinks “. ” •When no answer comes back, the transceiver emits short faint beep tones. rPush [PTT] to answer and to stop the beeps and flashing. NOTE:This function is available only when the called station has set the same group number and the same operating channels as you.Call-Ring Sends the ring tones during trans- mit mode. ➥While pushing [PTT], push [Z] to send a ring tone.•The ring tone is emitted while pushing [Z]. •The microphone signal is auto- matically cut while pushing [Z]. [PTT][Y][PTT][Z] IC-4088A_2.qxd 03.6.23 11:58 Page 15 (1,1)
16 9 OTHER FUNCTIONS Voice scrambler functionThe voice scrambler function provides communication privacy. qPush [MODE] twice to select voice scram- bler setting mode.•“Sr-” appears on the display.wPush [Y]/[Z] to turn the function ON and OFF.•“ ” appears when the voice scrambler is activated.ePush [MODE] to exit voice scrambler set- ting mode. NOTE:All transceivers in a specific group MUST turn ON the voice scrambler func- tion. Otherwise the communication will not possible.Initial set modeInitial set mode is accessed at power ON and allows the setting of seldom changed settings. In this way the user can “customize” trans- ceiver operations to suit specific preferences and operating style.D D Entering initial set modeqWhile pushing [MODE], push [PWR] for 1 sec. to enter initial set mode. wPush [MODE] to select the de- sired item. ePush [Y]/[Z] to select the con- dition or value as desired. rPush [PWR] to exit initial set mode. [Y] [Z][MODE][PWR] IC-4088A_2.qxd 03.6.23 11:58 Page 16 (1,1)
179 9 OTHER FUNCTIONS DBeep tones ON/OFFConfirmation beep tones normally sound when a key is pushed. These can be turned ON or OFF. ON (on) : Emits confirmation beep. OFF (oF) : No confirmation beep.D D Scan resume typeSelect the scan resume type from timer scan and pause scan. Timer scan (tS) :Scan resumes after the specified time period even signal is received. Pause scan (PS): Scan pauses until the sig- nal disappears.D D Time-out timerThe time-out timer limits continuous trans- mission time period to prevent accidental prolonged transmission, such as when using the PTT hold function. The time period can be specified within 1–30 min. in 1 min. steps.D D Auto power OFF timerWhen signal is received, or no opera- tion is performed for the set period, the transceiver turns power OFF automat- ically. 30 min., 1 and 2 hours timers are available. Appears when the auto power off function is in use. IC-4088A_2.qxd 03.6.23 11:58 Page 17 (1,1)
DRing tone typeRing tone is selectable with 10 different indi- vidual sounds.D D LCD backlightThe IC-4088A has LCD backlight light for nighttime operation, and the lighting condition can be selected to suits a specific preference, from Auto, ON and OFF. Auto (At) :Lights when any switch, except [PTT], is pushed. When no key operation is performed for 5 sec., the backlight goes OFF. ON (on) : Lights continuously. OFF (oF) : Never lights. 18 9 OTHER FUNCTIONS IC-4088A_2.qxd 03.6.23 11:58 Page 18 (1,1)
199 9 OTHER FUNCTIONS Lock functionThis function electronically locks all keys and switches to prevent accidental channel changes and function access. ➥Continue to hold [PWR] down for 2 sec. after power ON to turn the lock function ON and OFF.•“ ” appears on the display. - Only [PWR] and [PTT] are functional. - The Ring function is also available. (See p. 15)Low battery indicator➥Appears when the battery is nearing exhaustion.•A warning beep is emitted while turn- ing the power ON.➥Blinks when battery replacement is necessary.•When the indicator blinks, the trans- ceiver may not be operated. (Not guaranteed)‘ ‘ Auto power save➥The power save function reduces the current drain to conserve battery power. - The function automatically turns ON when no operation is per- formed and no signal is received for 5 sec. “ ” appears when the lock function is in use.Appears when the battery is nearing exhaustion. Blinks when battery replacement is necessary. IC-4088A_2.qxd 03.6.23 11:58 Page 19 (1,1)
20 9 OTHER FUNCTIONS ATS (Automatic Transponder System) This allows the user to confirm whether or not a call has reached the receiving party even if the operator is temporarily away from the transceiver. No “Ring” tone is emitted with this function. ➥While pushing [PTT], push [MODE] to turn the function ON and OFF. •“ ” appears on the display. •The transceiver starts to send a searching signal every 60 sec. - When the transceiver receives an answer back signal, “” stays on the display until the next search transmit. - If no reply is received, “” blinks until the next search transmit.NOTE:Above setting is for the calling station only. A called party automatically sends an answer back signal without any preset- tings. All IC-4088A’s operating on the same operating channel will answer back to the call in the surroundings communications area. ‘ ‘ Resetting the transceiverInitialize the operating conditions before using the transceiver for the first time, or if the function display shows erroneous information. ➥ While pushing [Z] and [MODE], push [PWR] for 1 sec. to initial- ize the transceiver. CAUTION: Resetting the trans- ceiver returns all settings to their defaults. [PTT][MODE][MODE][PWR][Z] IC-4088A_2.qxd 03.6.23 11:58 Page 20 (1,1)
21 9 OTHER FUNCTIONS 9 Optional HM-75A functionsThe optional HM-75A allows remotely selected operating channels, open the squelch, etc. The switches on the HM-75A function as fol- lows. 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. DSwitch action SWITCH A B UP DOWN NORMAL Smart-Ring Open squelch Change the oper- ating channel number up. Change the oper- ating channel number down.While holding HM-75A’s [PTT] No function No function Smart-Ring Call-Ring A OFF ON LOCKB Lock switch: Locks all switches except [PTT] Earphone jack PTT switch IC-4088A_2.qxd 03.6.23 11:58 Page 21 (1,1)
22 10 SPECIFICATIONS GENERAL• Frequency coverage : 462.5625–467.7125 MHz • No. of operating Ch. : 14 (simplex) • Mode : 11K0F3E (FM) • Frequency stability : ±2.5 ppm • Channel separation : 25 kHz • Power supply requirement : 3 AA (R6) alkaline,BP-202, BC-149A(negative ground) or CP-18A •Current drain : Less than 500 mA • Operating temp. range : –4˚F to +122˚F; –20˚C to +50˚C •No. of CTCSS freq. : 38 • Dimensions : 21⁄16(W)×4 1⁄32(H)×1 1⁄16(D) in (projections not included) ; 52.5(W)×102.5(H)×26.9(D) mm • Weight : 200 g; 7 oz (including 3×AA (R6) batteries) TRANSMITTER• Output power : Less than 500 mW ERP • Maximum deviation : ±2.5 kHz • Spurious emissions : Less than –40 dB • Ext. mic. connector : 3-conductor 2.5 (d) mm/2.2 kΩRECEIVER• Receiver system : Double-conversion superheterodyne •Sensitivity (12 dB SINAD) : Less than 0.2 µV • Selectivity : More than 8.5 kHz/–6dB • Spurious & image rejection : More than 40 dB • Adjacent Ch. rejection : More than 40 dB • Intermodulation rejection : More than 40 dB • Audio output power : More than 100 mW at 10 % distortion (at 4.5 V DC) with an 8 Ωload •Ext. speaker connector : 3-conductor 3.5 (d) mm/8 Ω All stated specifications are subject to change without notice or obligation. IC-4088A_2.qxd 03.6.23 11:58 Page 22 (1,1)
23 10 SPECIFICATIONS 10 DChannel number and group numberUse this page to record a group operating channel number (see p. 9) and group code number (p. 12) for your reference.ïChannel frequency list Operating channel number Group code numberCH Freq.(MHz) 1 462.5625 2 462.5875 3 462.6125 4 462.6375 5 462.6625 6 462.6875 7 462.7125 8 467.5625 9 467.5875 10 467.6125 11 467.6375 12 467.6625 13 467.6875 14 467.7125 IC-4088A_2.qxd 03.6.23 11:58 Page 23 (1,1)
24 11 OPTIONS BP-202Ni-Cd BATTERY PACK 3.6V/700 mAh Ni-Cd battery pack. BC-119N DESKTOP CHARGER + AD-105 DESKTOP CHARGER ADAPTER Rapidly charges battery pack in 1 to 1.5 hrs. An AC adapter is packed with the BC-119N. The AD-105 must be used with the BC-119N for charging the battery pack. The CP-17L or OPC-515L can be used instead of the supplied AC adapter. (p. 7) BC-149A AC ADAPTER Regularly charges installed BP-202 in 15 hours (approx.). Operation for both transmit and receive also possible with this adapter. Output voltage: 6 V DC, Current capacity: 1 A CP-18A CIGARETTE LIGHTER CABLE Allows you to operate the transceiver through a 12 V cigarette lighter socket, and also charges the installed battery regularly. A DC-DC converter is built-in.HM-46/HM-75A/HM-131 SPEAKER MICROPHONES HM-46: Compact size with transmission LED indicator. HM-75A: Remote control capability. (See p. 21 for details.) HM-131: Compact and durable construction. HM-128 EARPHONE MICROPHONE HS-85 HEADSET Over-head arm style headset. VOX and one-touch PTT functions are avail- able. VS-1 VOX /PTT CASE + HS-94/HS-95/HS-97 Separated VOX/PTT unit and one of the following microphone unit is re- quired additionally. HS-94 Earhook typeHS-95 Neck-arm typeHS-97 Throat microphone IC-4088A_2.qxd 03.6.23 11:58 Page 24 (1,1)