Instruction/ maintenance manual of the product IC-R2500 Icom
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INSTRUCTION MANUAL iR2500 COMMUNICA TION RECEIVER This device complies with Part 15 of the FCC rules. Operation is sub- ject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
i FOREWORD Thank you for purchasing this Icom receiver . The IC-R2500 COMMUNICA TIONS RECEIVER is designed and built with Icom’s state of the art technology and craftsmanship. With proper care, this receiver should provide you with years of trouble- free operation.
ii SUPPLIED ACCESSORIES q Antenna …………………………………………………… 1 w AC adapter* ……………………………………………… 1 e USB cable ……………….
iii R W ARNING! NEVER connect the receiver via the OPC-254L to an AC outlet. This may pose a fire hazard or re- sult in an electric shock. R W ARNING! NEVER operate the receiver while dri- ving a vehicle. Safe driving requires your full attention— any- thing less may result in an accident.
iv ABOUT APCO PROJECT 25 This device made under license under one or more of the fol- lowing US patents: #4,590,473, #4,636,791, #5,148,482 , # 5,185,796, #5,271,017, #5,377,229.
v T ABLE OF CONTENTS FOREWORD .............................................................. i IMPORT ANT ............................................................... i EXPLICIT DEFINITIONS ............................................ i SUPPLIED ACCESSORIES .
vi 1 2 3 4 5 6 7 8 9 10 11 12 13 14 7 PRIORITY W A TCH ............................................ 38 ■ Priority watch types ........................................ 38 ■ Priority watch operation .................................. 38 8 POCKET BEEP AND TONE SQUELCH .
1 CONNECTION 1 ■ Rear panel connection D DC power supply 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 grounded. • CONNECTING TO A DC POWER SUPPL Y OPC-254L (optional) black white R CAUTION! NEVER remove the fuse- holders from the DC power cable.
2 1 CONNECTION 1 D D OPC-1 156 connection q Connect the controller plug to the OPC-1 156 jack. w Detach the ferrite core from the controller cable, then at- tach it to the OPC-1 156 as shown below . • Make sure to wind the cable on the ferrite core.
3 P ANEL DESCRIPTION 2 MAIN AGC S.MW TS VFO/MR MHz MAIN NB S.MW VFO/MR TS MHz VOL VOL DIAL DIAL SQL SQL MONI T/T-SCAN MODE SCAN AT T PRIO COMMUNICA TIONS RECEIVER iR2500 PWR SET SKIP Function display (pgs. 7, 8) qw e r t The keys w to t are for the main band only .
4 2 PA NEL DESCRIPTION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 q POWER KEY [PWR • ] ➥ Push and hold for 1 sec. to turn the controller power ON and OFF . (p. 1 1) ➥ Continue to hold this key down for 2 sec. after power ON to turn the lock function ON and OFF .
5 2 PA NEL DESCRIPTION MAIN AGC S.MW TS VFO/MR MHz MAIN NB S.MW VFO/MR TS MHz VOL VOL DIAL DIAL SQL SQL MONI T/T-SCAN MODE SCAN AT T PRIO COMMUNICA TIONS RECEIVER iR2500 PWR SET SKIP Left band Right band o o y b u i !0 y a u i !0 !1 !1 The same controls for both the left and right bands are arranged symmetrically .
6 2 PA NEL DESCRIPTION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 y a MAIN•AGC KEY [MAIN•AGC] ➥ Push to select the left band as main band. (p. 1 1) ➥ Push and hold for 1 sec. to turn the AGC (Automatic Gain Control) function ON and OFF . (p. 16) y b MAIN•NB KEY [MAIN•NB] ➥ Push to select the right band as main band.
7 2 PA NEL DESCRIPTION ■ Function display q MAIN INDICA TOR (p. 1 1) Indicates the main band for function control. w RECEIVE MODE INDICA TORS FOR ANALOG Shows the selected receive mode. • SSB (LSB/USB), CW , AM and FM (FM/WFM) are available. e RECEIVE MODE INDICA TOR FOR DIGIT AL Appears while the digital mode is selected.
8 2 PA NEL DESCRIPTION 2 u SKIP INDICA TORS (p. 36) ➥ “ ~ ” appears when the displayed memory channel is specified as a skip channel. ➥ “ P ~ ” appears when the displayed frequency is speci- fied as a program skip frequency . i MEMOR Y INDICA TOR (pgs.
9 2 PA NEL DESCRIPTION ■ Rear panel—main unit Front To p Rear Power switch Speaker DATA PACKET 1 USB EXT SP ANT 1 ANT 2 DC IN GND PACKET 2 qw e r q t i uy 2-conductor 3.
10 2 PA NEL DESCRIPTION 2 q ANTENNA CONNECTORS [ANT] Connect a 50 Ω antenna with a BNC connector and a 50 Ω coaxial cable. [ANT1] for left band, [ANT2] for right band. w DA T A JACK [DA T A] Connect to a PC via an RS-232 cable (D-sub 9 pin) for DV * 1 mode data communication in RS-232 format.
11 SETTING A FREQUENCY 3 ■ Preparation D Tu rning power ON/OFF ➥ Push [PWR • ] for 1 sec. to turn power ON and OFF . D MAIN band The IC-R2500 can receive signals on both the left and right bands simultaneously . ➥ Push the desired band’s [MAIN•AGC] or [MAIN•NB] to se- lect the main band.
■ T uning step selection When using the tuning dial to change the frequency , or when a scan function is activated, the frequency changes in incre- ments determined by the set tuning step. This can be changed if desired. The following tuning step are available.
13 3 SETTING A FREQUENCY ■ Using the tuning dial q Rotate the desired band’s [DIAL] to set the frequency . •I f VFO mode is not selected, push the same band’s [VFO/MR•S.MW] to select VFO mode . • The frequency changes in the selected tuning steps.
14 4 BASIC OPERA TION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ■ Receiving q Set the audio level for the main band. ➥ Push the desired band’s [MAIN] . ➥ Push [MONI•T/T -SCAN] to open the squelch. ➥ Rotate the main band’s [VOL] to adjust the audio level.
■ Lock function To prevent accidental frequency changes and unintentional function access, use the lock function. ➥ Continue to hold [PWR• ] down for 2 sec.
16 4 BASIC OPERA TION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ■ NB function The NB (noise blanker) function removes pulse-type noise when SSB, CW or AM mode is selected. ➥ After pushing [MAIN] to select the desired band (left or right) as the main band, push and hold [MAIN•NB] for 1 sec.
17 4 BASIC OPERA TION ■ AFC function [ The AFC (Automatic Frequency Control) function tunes the displayed frequency automatically when an off-center fre- quency is received. It activates in FM mode and only when the selected IF filter is 6 kHz or 15 kHz.
18 4 BASIC OPERA TION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ■ IF filter selection [ The receiver has 2 to 4 IF passband filter widths for each mode. Selectable passband widths are 3, 6, 15, 50 and 230 (depending on the selected mode). • Selectable passband width for each mode.
19 4 BASIC OPERA TION Duplex communication uses two different frequencies for transmitting and receiving. Generally , duplex is used in com- munication through a repeater , some utility communications, etc. During duplex operation, the transmit station frequency is shifted from the receive station frequency by the offset fre- quency .
20 4 BASIC OPERA TION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 D D Operation q Set the receive station frequency (repeater output frequency) . w Push [MONI•T/T -SCAN] to monitor the transmit station fre- quency (repeater input frequency) directly .
21 4 BASIC OPERA TION D D W eather alert function NOAA broadcast stations transmit weather alert tones before important weather announcements. When the weather alert function is turned ON, the selected weather channel is moni- tored each 5 sec. for the announcement.
22 4 BASIC OPERA TION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ■ Single band operation D D Single band/Dualwatch operation Dualwatch operation monitors two frequencies simultane- ously .
23 MEMOR Y OPERA TION 5 ■ General description The receiver has 1 100 memory channels including 100 scan edge memory channels (50 pairs) for storage of often-used frequencies. And a total of 21 memory banks, A to H, J to R, T, U, W and Y are available for storing groups of frequencies, etc.
24 5 MEMORY OPERA TION 5 ■ Programming a memory channel [EXAMPLE]: Programming 145.800 MHz into memory channel 20 (blank channel). Push Rotate for setting frequency , etc. Push for 1 sec. Rotate Push for 1 sec. and continue to push ➠ Beep Beep Beep Beep Beep Beep S.
25 5 MEMORY OPERA TION [EXAMPLE]: Programming “CLUB” into memory channel 12. Select memory channel Push for 1 sec. Rotate Push for 1 sec. Beep Beep Beep S.
26 5 MEMORY OPERA TION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 • A vailable characters D D To indicate the channel name [ The channel name indication can be set independently for each memory channel. q Select the desired memory channel in the main band.
27 5 MEMORY OPERA TION [EXAMPLE]: T ransferring the contents of memory channel 30 to VFO. Push to select memory mode. Rotate for selecting memory channel. Push for 3 sec. S.MW VFO/MR S.MW VFO/MR This function transfers a memory channel’s contents to VFO (or another memory channel).
28 5 MEMORY OPERA TION 5 D Memory ➪ memory q Select the desired band’s (left or right) memory channel to be transferred. ➥ Push the desired band’ s [VFO/MR•S.MW] several times to select memory mode , then rotate the same band’s [DIAL] to select the desired memory channel.
5 MEMORY OPERA TION 29 Contents of programmed memories can be cleared (erased), if desired. q Push [VFO/MR•S.MW] to select VFO mode in the main band. w Push the same band’s [VFO/MR•S.MW] for 1 sec. to enter select memory write mode . •“ ! ” indicator and the memory channel number blink.
5 MEMORY OPERA TION 30 5 ■ Memory bank setting [ The IC-R2500 has a total of 21 banks (A to H, J to R, T , U, W, Y). Regular memory channels, 0 to 999, may assigned into the desired bank for easy memory management. q Select the desired memory channel.
31 5 MEMORY OPERA TION ■ Memory bank selection q Push [VFO/MR•S.MW] to select memory mode in the de- sired band (left or right). w Push [MHz•TS] to enter memory type selection mode . e Rotate the same band’s [DIAL] to select the desired bank (A to H, J to R, T , U, W or Y).
32 5 MEMORY OPERA TION 5 w Push [VFO/MR•S.MW] for 1 sec. to enter select memory write mode . •“ ! ” indicator and the memory channel number blink. e Push [SET•SKIP] once to select “bAnk.” r Rotate the same band’s [DIAL] to select the desired bank indicator to transfer or erase.
33 SCAN OPERA TION 6 ■ Scan types Scanning searches for signals automatically and makes it easier to locate new stations. There are 5 scan types and 4 resume conditions to suit your operating needs. FULL SCAN (p. 34) Repeatedly scans all frequen- cies over the entire band.
34 6 SCAN OPERA TION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ■ Scan start/stop D Preparation Scan resume condition (p. 37); program scan edges (p. 35); program two or more memory channels (p. 24); set skip set- tings (p. 36), if desired. D Operation q Push [VFO/MR•S.
35 6 SCAN OPERA TION Scan edges can be programmed in the same manner as memory channels. Scan edges are programmed into scan edges, 0A/0B to 49A/49B, in memory channels.
36 6 SCAN OPERA TION 6 D Skip channel/frequency setting Y ou can set the selected memory channel as a skip channel which is skipped during memory skip scan. In addition, it can be set as a skip channel for both memory skip scan and fre- quency skip scan.
37 6 SCAN OPERA TION The scan resume condition can be selected a timed timer or pause scan. The selected resume condition is also used for priority watch. (p. 38) q Push [MAIN•AGC] (or [MAIN•NB] ) to select the desired band (left or right) as the main band.
38 7 PRIORITY W A TCH 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ■ Priority watch types Priority watch checks for signals on the frequency every 5 sec. while operating on a VFO frequency or scanning. The receiver has two priority watch types to suit your needs.
39 POCKET BEEP AND TONE SQUELCH 8 This function uses subaudible tones for calling and can be used as a “common pager” to inform you that someone has called while you were away from the receiver . D Wa iting for a call from a specific station q Set the operating frequency in FM mode.
40 8 POCKET BEEP AND T ONE SQUELCH 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 i Push any key for the main band or any of the shared keys below the display to exit tone squelch selection mode . o When a signal with a matching tone is received, the re- ceiver emits beep tones and blinks “ S .
41 8 POCKET BEEP AND T ONE SQUELCH The tone or DTCS squelch opens only when receiving a sig- nal with the same pre-programmed subaudible tone or DTCS code. Y ou can silently wait for a signal using the same tone. q Set the operating frequency in FM mode.
42 8 POCKET BEEP AND T ONE SQUELCH 8 ■ T one scan By monitoring a signal using with pocket beep, tone or DTCS squelch, you can determine the tone frequency or DTCS code necessary to open the squelch. q Set the desired operating frequency or memory channel to be checked for a tone frequency or code.
43 DIGIT AL MODE OPERA TION 9 ■ Digital mode operation The IC-R2500 can operate in DV* 1 mode or P25* 2 mode when the optional UT -1 18 or UT -122 is installed. * 1 : The optional UT -1 18 is required. * 2 : The optional UT -122 is required. Some versions come with the UT -122 installed.
44 9 DIGIT AL MODE OPERA TION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 r Rotate the left band’s [DIAL] to select the desired call sign or code. • Push [MODE•SCAN] (or [MONI•T/T -SCAN] ) to move the cursor . t Push any key for the main band to exit set mode .
45 9 DIGIT AL MODE OPERA TION u Push any key for the main band or any of the shared keys below the display to exit tone squelch selection mode . i When a signal with a matching code/call sign is received, the receiver emits beep tones and blinks “ S ”.
46 9 DIGIT AL MODE OPERA TION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 r Rotate the left band’s [DIAL] to select the desired call sign or code. • Push [MODE•SCAN] (or [MONI•T/T -SCAN] ) to move the cursor . t Push any key for the main band to exit set mode .
47 9 DIGIT AL MODE OPERA TION Sets your own call sign for digital call sign squelch operation. Up to 8 characters are programmable. q Push [SET•SKIP] to enter set mode . w Push [SET•SKIP] or [A TT•PRIO] several times until “OPt” appears, then rotate main band’s [DIAL] to select “On.
48 9 DIGIT AL MODE OPERA TION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Sets the desired NAC code for P25 digital (NAC) squelch or TGID/Unit ID for P25 digital (Selective) squelch operation.
• Display dimmer • Auto power OFF • Key-touch beep • Beep output level • Display color • Display contrast • Rx TGID indication • Rx Unit ID indication • Auto Rx ID display • Unit ID setting • TGID setting • NAC code setting • P25 unit power setting † Appears when accessing set mode from VFO mode only.
50 10 SET MODE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 When the UT-106 is installed • Duplex direction • Offset frequency • TSQL frequency • DTCS code • DTCS polarity • VSC function • Sca.
51 10 SET MODE These items appear when the UT-118 is installed, and Optional items setting is ON. • Digital monitor Return to set mode ( ( p. 49) ) • Call sign setting • DV unit power setting .
52 10 SET MODE 10 D D Key-touch beep The key-touch beep can be turned OFF for silent operation. (default: ON) Even when this item is set to OFF , the power-on beep and pocket beep function still sound.
53 10 SET MODE D D Display color The display color can be set to amber (default) or green. D D Display contrast The LCD contrast can be adjusted through 9 levels.
54 10 SET MODE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 D D T one frequency Sets subaudible tone frequency for tone squelch operation. T otal of 51 tone frequencies (67.0–254.1 Hz) are available. (default: 88.5 Hz) •A vailable tone frequency list D D DTCS code Sets DTCS code for DTCS squelch operation.
55 10 SET MODE D D VSC setting T urns VSC (V oice Squelch Control) ON and OFF . (default: OFF) D D Scan resume timer Selects scan resume timer from SCT -15 (default), SCT -10, SCT -5 and SCP-2. Scan resumes after the specified period when the received signal disappears.
56 10 SET MODE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 D D Memory name setting Sets memory name appearance ON (appear) and OFF (does not appear; default). This item appears when set mode is accessed from memory mode only . D D Memory bank link function Sets the memory bank link function ON and OFF (default).
57 10 SET MODE D D AFC setting T urns AFC (Automatic Frequency Control) function ON and OFF . (default: OFF) D D Filter setting Select the IF filter passband width from 3, 6, 15, 50 and 230 kHz (depending on the selected mode.) D D W eather alert function T urns weather alert function ON and OFF .
58 10 SET MODE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 D D Squelch delay Selects squelch delay to short or long to prevent repeated opening and closing of the squelch during reception of the same signal. •S : Short squelch delay . •L : Long squelch delay .
59 10 SET MODE D D DV unit power setting Selects the DV unit (UT -1 18) power setting from Auto and ON. ☞ This item appears when optional UT -1 18 is installed and Optional items setting ( p. 58 ) is ON. •A t: DV unit is turned ON automatically when digital mode is selected.
60 10 SET MODE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 D D Standby beep setting Sets beep emission to ON or OFF when the receiving station finishes transmission or the receiving signal disappears. (default: ON) ☞ This item appears when optional UT -1 18 is installed and Optional items setting ( p.
61 10 SET MODE D D RX call sign indication This item stores and indicates the newest received call sign. The received call sign is cleared once the receiver is turned OFF . ☞ This item appears when optional UT -1 18 is installed and Optional items setting ( p.
62 10 SET MODE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 D D RX call sign with message indication This item stores and indicates the newest received call sign with message. The received call sign is cleared once the re- ceiver is turned OFF . ☞ This item appears when optional UT -1 18 is installed and Optional items setting ( p.
63 10 SET MODE D D P25 unit power setting Selects the P25 unit (UT -122) power setting from Auto and ON. ☞ This item appears when optional UT -122 is installed and Optional items setting ( p. 58 ) is ON. •A t: P25 unit is turned ON automatically when digital mode is selected.
64 10 SET MODE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 D D Auto RX ID display When this setting is ON, transmitter ’s ID is displayed auto- matically . (default: ON) ☞ This item appears when optional UT -122 is installed and Optional items setting ( p.
65 OTHER FUNCTIONS 11 D D ANF function [ The ANF (Automatic Notch Filter) function automatically at- tenuates beat tones, tuning signals, etc., even if they’re fre- quency changes. This function can be activated in SSB, AM, FM modes. q Select any of SSB, AM or FM mode in the desired band (left or right).
66 11 OTHER FUNCTIONS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Cloning allows you to quickly and easily transfer the pro- grammed contents from a personal computer to a receiver using the IC-PCR2500 control software.
67 11 OTHER FUNCTIONS ■ Partial reset If you want to initialize the operating conditions (VFO fre- quency , VFO settings, set mode contents) without clearing the memory contents, a partial reset function is available. ➥ While pushing either band’s [VFO/MR•S.
68 11 OTHER FUNCTIONS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ■ Internal audio switch The internal switch must be set properly to use an external speaker , headphones or earphone. CAUTION: DISCONNECT the AC adaptor or DC power cable from the receiver Main unit before performing any work on the receiver .
69 TROUBLESHOOTING 12 PROBLEM POSSIBLE CAUSE SOLUTION REF . If your receiver seems to be malfunctioning, please check the following points before sending it to a service center . Does not turn on. No sound comes from the speaker . Sensitivity is low and only strong signals are audible.
70 13 DOC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 DECLARA TION OF CONFORMITY We Icom Inc. Japan 1-1-32, Kamiminami, Hirano-ku Osaka 547-0003, Japan Declare on our sole responsibility that this equipmen.
MEMO 71.
72 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 MEMO.
1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003, Japan A-6510H-1EX- q Printed in Japan © 2006 Icom Inc. <Intended Country of Use> ■ GER ■ ■ FRA ■ ESP ■ SWE ■ AUT ■ NED ■ POR ■ DE.
An important point after buying a device Icom IC-R2500 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Icom IC-R2500 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Icom IC-R2500 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Icom IC-R2500 you will learn all the available features of the product, as well as information on its operation. The information that you get Icom IC-R2500 will certainly help you make a decision on the purchase.
If you already are a holder of Icom IC-R2500, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Icom IC-R2500.
However, one of the most important roles played by the user manual is to help in solving problems with Icom IC-R2500. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Icom IC-R2500 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
