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INSTRUCTION MANUAL
COMMUNICATIONS RECEIVER
iR1500
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FOREWORD IMPORTANT Thank you for purchasing this Icom receiver. The IC-R1500 READ ALL INSTRUCTIONS carefully and completely COMMUNICATIONS RECEIVER is designed and built with Icom’s before using the receiver. state of the art technology and craftsmanship. With proper SAVE THIS INSTRUCTION MANUAL— This in- care, this receiver should provide you with years of trouble- struction manual contains important operating instructions for free operation. the IC-R1500. We want to take a couple of moments of
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PRECAUTIONS NEVER place the receiver where normal operation of the RWARNING! NEVER connect the receiver via the vehicle may be hindered or where it could cause bodily injury. OPC-254L to an AC outlet. This may pose a fire hazard or re- sult in an electric shock. NEVER let objects impede the operation of the cooling fan on the rear panel. RWARNING! NEVER operate the receiver while dri- ving a vehicle. Safe driving requires your full attention— any- AVOID using or placing the receiver in direct sun
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SUPPLIED ACCESSORIES TABLE OF CONTENTS FOREWORD ........................................................................................... i IMPORTANT ............................................................................................ i qw EXPLICIT DEFINITIONS ......................................................................... i PRECAUTIONS ...................................................................................... ii SUPPLIED ACCESSORIES ..............................
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1 2 ■ AFC function ................................................................................ 13 10 OTHER FUNCTIONS ................................................................ 44–48 3 ■ VSC function ................................................................................ 13 ■ Weather channel operation .......................................................... 44 ■ IF filter selection ........................................................................... 14 ■ DSP operation
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CONNECTION 1 D DC power supply connection ■ Rear panel connection Use a 12 V DC power supply with at least 4 A capacity. Make sure the ground terminal of the DC power supply is The antenna holder is backed with double-sided grounded. tape. Remove the protective paper when the antenna is fixed to any place. • CONNECTING TO A DC POWER SUPPLY Connect to a 12 V DC Receiver battery. Pay attention to polarities. NEVER connect to a 24 V bat- tery. This could dam- Receiver age the receiver. Suppli
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1 CONNECTION D D OPC-1156 connection ■ Antenna installation 1 q Connect the controller plug to the OPC-1156 jack. w Detach the ferrite core from the controller cable, then at- D Antenna location tach it to the OPC-1156 as shown below. To obtain maximum performance from the receiver, select a • Make sure to wind the cable on the ferrite core. high-quality antenna and mount it in a good location. It is not e Connect the OPC-1156 plug to the [CONTROLLER] con- necessary to use radials on a magnetic
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K S C . M O L W PANEL DESCRIPTION 2 ■ Front panel—controller Function display (p. 5) q w e r ! ! ! oi u y t q SET•LOCK KEY [SET•LOCK] e VOLUME CONTROL [VOL] (p. 11) ➥ Push to enter set mode. (p. 35) Adjusts the audio level. ➥ Push and hold for 1 sec. to turn the lock function ON r POWER KEY FOR CONTROLLER [PWR] and OFF. (p. 11) Push to turn the controller power ON when it’s OFF. • Push and hold for 1 sec. to turn the controller power OFF when w TUNING STEP/MODE KEY [TS•MODE] it’s ON. ➥ Push to e
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2 PANEL DESCRIPTION ➥ Push and hold for 1 sec. to turn the channel skip setting y MONITOR•TONE•TONE SCAN KEY [MONI•T/T-SCAN] ON and OFF for memory/frequency skip scan operation. ➥ Push to turn the monitor function ON and OFF. (p. 11) (p. 28) 2 ➥ Push and hold for 1 sec. to enter tone squelch selection mode. (pgs. 31, 33) ! VFO/MHz TUNING•SCAN KEY [V/MHz•SCAN] •Tone squelch, pocket beep (CTCSS), tone squelch reverse ➥ Selects and toggles VFO mode and band selection, action, DTCS squelch, pocket b
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2 PANEL DESCRIPTION ■ Function display—controller q w e r t y u ! i o ! ! ! ! ! ! ! ! ! qAFC INDICATOR eRECEIVE MODE INDICATORS Appears when the AFC function is in use. (p. 13) Shows the selected receive mode. • SSB (LSB/USB), CW, AM and FM (FM/WFM) are available. wFM CENTER INDICATORS rAGC INDICATOR (p. 12) ➥“” or “ ” appears when the received signal is not Appears when the AGC fast is selected in SSB, CW or AM tuned to its center frequency; or the squelch is closed. mode. ➥“” appears when the
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2 PANEL DESCRIPTION 2 yDSP INDICATOR (p. 43) !VSC INDICATOR (p. 13) Appears when the DSP digital filter function is in use. Appears when the VSC function is in use. • The DSP function requires an optional UT-106 installation. !TONE SQUELCH INDICATOR (p. 33) uFREQUENCY READOUT Appears when the tone squelch function is in use. Shows the operating frequency, channel names, set mode !POCKET BEEP INDICATOR (p. 32) contents, etc. Appears with “ ” or “ ” while the pocket beep function • Frequency decima
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2 PANEL DESCRIPTION ■ Rear panel—main unit qw er Rear Speaker Power switch Top u PACKET jack connection EXT SP jack connection Front AUDIO y AUDIO t GND GND 1 1 2-conductor 3.5 (d) mm ( ⁄8˝)/100 k Ω 2-conductor 3.5 (d) mm ( ⁄8˝)/8 Ω qANTENNA CONNECTOR [ANT] rEXTERNAL SPEAKER JACK [EXT SP] Connects a 50 Ω antenna with a BNC connector and a 50 Connects an 8 Ω external speaker. • Audio output power is more than 0.5 W. Ω coaxial cable. wPACKET JACK [PACKET] tCONTROLLER [CONTROLLER] Connects a TNC (T
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SETTING A FREQUENCY 3 D Memory mode/Weather channels* ■ Turning power ON/OFF Memory mode is used for operation of memory channels ➥ While receiver’s power is OFF, push [PWR] to turn power 2 which have programmed frequencies. Weather channels* are ON. monitored each 5 sec. when the weather alert function is 3 • While receiver power is ON, push and hold [PWR] for 1 sec. to turned ON. turn power OFF. *Available for USA/CANADA versions only. qPush [MR•SKIP] to select memory mode. [PWR] •“!” indicato
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3 SETTING A FREQUENCY ■ Tuning step selection ■ Setting a frequency When using the tuning dial to change the frequency, or when qRotate [DIAL] to set the frequency. • If VFO mode is not selected, push [V/MHz•SCAN] to select VFO a scan function is activated, the frequency changes in incre- mode. ments determined by the set tuning step. This can be • The frequency changes in the selected tuning steps. changed if desired. The following tuning step are available. [DIAL] • 0.01 kHz (10 Hz) • 0.02 kHz
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3 SETTING A FREQUENCY ■ Receive mode selection Receive modes are determined by the physical properties of the radio signals. The receiver has 6 receive modes: LSB 3 USB, CW, AM, WFM and FM modes. The mode selection is stored independently in each memory channels. Typically, AM mode is used for the AM broadcast stations (0.495–1.620 MHz) and air band (118–135.995 MHz), and WFM is used for FM broadcast stations (76–107.9 MHz). q Push and hold [TS•MODE] for 1 sec. to enter receive mode select mode.
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BASIC OPERATION 4 ■ Receiving ■ Monitor function This function is used to listen to weak signals without disturb- qPush and hold [PWR] for 1 sec. to turn power ON. ing the squelch setting or to open the squelch manually even wSet the audio level. when mute functions such as the tone squelch are in use. ➥ Push [MONI•T/T-SCAN] to open the squelch. ➥ Rotate [VOL] to adjust the audio level. ➥ Push [MONI•T/T-SCAN] to open the squelch. • Push [MONI•T/T-SCAN] again to cancel the function. ➥ Push [MONI•
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4 BASIC OPERATION ■ Attenuator function ■ AGC function The attenuator prevents a desired signal from being distorted The AGC (Automatic Gain Control) function controls receiver when very strong signals are near the desired frequency or gain to produce a constant audio output level even when the when very strong RF fields, such as from a broadcasting sta- received signal strength varies from fading, etc. A slow-re- tion, are near your location. The attenuator reduces signal sponse AGC function is
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4 BASIC OPERATION ■ AFC function [ ■ VSC function [ The AFC (Automatic Frequency Control) function tunes the The VSC (Voice Squelch Control) function opens the squelch displayed frequency automatically when an off-center fre- only when receiving a modulated signal. This function is very quency is received. It activates in FM mode and only when useful while scanning, the VSC pauses only when modulated the selected IF filter is 6 kHz or 15 kHz. signals are received. Scanning continues when unmodula
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4 BASIC OPERATION ■ IF filter selection [ ■ IF shift function [ The receiver has 2 to 4 IF passband filter widths for each The IF shift function electronically changes the passband fre- mode. Selectable passband widths are 3, 6, 15, 50 and 230 quency of the IF (Intermediate frequency) cuttting out higher (depending on the selected mode). or lower frequency components of the IF to reject interfer- 4 ence. This function is available when the receive mode is • Selectable passband width for each mod
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4 BASIC OPERATION ■ Duplex operation Duplex communication uses two different frequencies for trans- tRotate [DIAL] to set the desired offset frequency within mitting and receiving. Generally, duplex is used in communi- 0.000–1000.000 MHz range. • The tuning step, selected in VFO mode, is used for setting. cation through a repeater, some utility communications, etc. • Push [V/MHz• SCAN] then rotate [DIAL] to change the fre- During duplex operation, the transmit station frequency is quency in 10 M
