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Icom IC-2730A Instruction Manual - Page 88

■ Troubleshooting

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13 MAINTENANCE ■■Troubleshooting The following chart is designed to help you correct problems which are not equipment malfunctions. If you are unable to locate the cause of a problem, or solve it through the use of this chart, contact your nearest Icom Dealer or Service Center. PROBLEM POSSIBLE CAUSE SOLUTION REF. Power does not turn ON when • T he power cable is improperly connected. [PWR] is pushed. • A fuse is blown. • Power source voltage is not correct. • Reconnect the DC power cable correctly. - • C orrect the cause, then replace the fuse with an - equivalent fuse. (Fuses are installed in the DC power cable and in the internal PA unit.) • Apply the correct 13.8 V DC. - No sound from the speaker. • The audio volume level is too low. • The squelch is closed. • T he Tone squelch is ON in the FM mode. • T he external speaker is not connected. • T he audio is muted. • R otate [VOL]S clockwise to obtain a suitable p. 25 listening level. • R otate [SQL]S to 12 o'clock position to open p. 25 the squelch. • T urn OFF the Tone squelch. p. 56 • Correct the cause, then reconnect. - • Push [ ]( ) (or any other key) to release mute. p. 27 Sensitivity is too low, and only • T he antenna is defective or the coaxial cable • Reconnect to the antenna connector. - strong signals can be heard. connector is shorted or cut. • The Attenuator function is turned ON. • T urn OFF the Attenuator function. p. 14 • The squelch is set too tight. • R otate [SQL]S to adjust the squelch level. p. 25 No contact can be made with an- • Duplex function are ON, and the transmit and • Turn OFF the Duplex function. p. 50 other station. receive frequencies are different. • Enter the correct RX and TX frequencies. p. 24 The displayed frequency is errone- • The CPU has malfunctioned. ous. • External factors have caused the fault. • Reset the transceiver. p. 81 • Disconnect and connect to the DC power - source. 83

Section	Page
Front cover	1
FOREWORD	2
EXPLICIT DEFINITIONS	2
IMPORTANT	2
SUPPLIED ACCESSORIES	2
PRECAUTIONS	3
TABLE OF CONTENTS	5
1 PANEL DESCRIPTION	6
■ Controller — Front panel	6
■ Controller — Display	7
■ Main unit	10
■ About the HM-207 microphone	11
2 MENU MODE	14
■ MENU mode screen	14
■ MENU mode construction	14
■ Selecting the MENU item	16
■ Setting items	17
◇ MENU mode	17
◇ EXMENU mode	17
■ MENU items	23
3 BASIC OPERATION	28
■ Selecting the MAIN band	28
■ Selecting the Mode	28
◇ VFO mode	28
◇ Memory mode	28
◇ Call channel mode	28
◇ Weather channel mode	28
■ Selecting the operating band	29
■ Setting a frequency	29
◇ Selecting a tuning step	30
■ Setting audio volume andsquelch level	30
■ Lock function	30
■ Transmitting	31
■ Selecting the operating mode	31
■ Audio mute function	32
■ Monitor function	32
■ Setting the microphone gain level	32
4 MEMORY OPERATION	33
■ General description	33
◇ The number of the Memory channel	33
◇ Memory channel content	33
■ Selecting a Memory or Call channel	34
◇ Selecting a Memory channel	34
◇ Selecting a Call channel	34
■ Writing into a Memory or Call channel	35
◇ Writing into the selected channel	35
◇ Writing into a blank channel	35
◇ Copying Memory content to the VFO	36
◇ Copying Memory content to another Memory channel	36
■ Setting a Memory bank	37
◇ Assigning a Memory channel to a Memory bank	37
◇ Directly entering into a Memory bank	38
◇ Selecting the Memory bank mode	38
■ Entering a Memory or Bank name	39
■ Clearing a Memory channel	40
5 SCAN OPERATION	41
■ About the scan function	41
◇ VFO scan	41
◇ Memory scan	41
◇ Memory bank scan	41
◇ [DIAL] operation during a scan	42
◇ Tuning step for a VFO scan	42
◇ Skip function	42
◇ Scan Stop Beep function	42
◇ Receive mode during a scan	43
◇ When a signal is received	43
◇ Scan name	43
■ Entering scan edges	43
■ VFO mode scan	46
◇ VFO mode scan	46
■ Setting and clearing the skip frequencies	47
◇ Setting the skip frequencies	47
◇ Clearing the skip frequencies	47
■ Memory scan	48
◇ Memory (skip) scan	48
◇ Memory bank scan	48
■ Setting and clearing skipchannels	49
■ Setting the temporary skipfunction	49
6 PRIORITY WATCH	50
■ Priority watch	50
◇ VFO and a Priority channel	50
◇ VFO and a Memory/Bank scan	50
■ VFO and a Priority channel	51
◇ VFO frequency and a Priority channel	51
◇ VFO scan and a Priority channel	51
■ VFO and a Memory/Bank scan	52
◇ VFO frequency and a Memory/Bank scan	52
◇ VFO scan and a Memory/Bank scan	52
7 REPEATER AND DUPLEX OPERATIONS	53
■ Repeater operation	53
◇ Checking the repeater input signal	54
◇ 1750 Hz tone burst	54
■ Duplex operation	55
◇ Setting the frequency offset	55
◇ Setting the duplex direction	55
◇ Duplex operation	56
■ Off band indication	56
■ Auto repeater function	57
◇ Frequency range and offset direction	57
8 OTHER FUNCTIONS	58
■ Home Channel Beep function	58
◇ Setting the Home channel	58
◇ Home channel operation	58
■ Using the DTMF Memory	59
◇ Entering a DTMF code	59
■ Transmitting DTMF code	60
◇ Transmitting DTMF code (DTMF Memory)	60
◇ Transmitting DTMF code (Direct Input)	60
◇ Selecting the DTMF transmit speed	61
■ Tone Squelch function	61
◇ Operation	61
◇ Setting the Tone frequency	63
◇ Setting the Repeater Tone frequency	63
◇ Setting the DTCS code	64
◇ Setting the DTCS polarity	64
■ Weather channel operation(USA version only)	65
◇ Weather channel selection	65
◇ Weather alert function	65
■ Cloning function	66
◇ Cloning from a PC using a cloning cable	66
◇ Cloning between transceivers	66
9 INSTALLATION AND CONNECTIONS	68
■ Connecting the controller tothe main unit	68
◇ When using the MBA-4 combination bracket	68
■ Connecting a microphone	68
■ Connecting to a DC power supply	69
■ Installing the controller	69
◇ When installing into your vehicle	69
◇ Attaching to a flat surface	70
■ Installing in a vehicle	71
◇ Using the mounting bracket	71
■ Installing an antenna	72
◇ About Coaxial cable	72
◇ About the internal duplexer	72
■ Connecting to a battery	73
10 OPTIONS	75
11 Bluetooth® OPERATION	76
■ Operating Bluetooth®	76
■ Electromagnetic Interference	76
■ Installing the UT-133	77
■ Pairing with a headset	78
■ VOX function	79
◇ Using the VOX function	79
◇ Setting the VOX level	79
◇ VOX-related settings	80
■ Other headset settings	80
◇ AF Output	80
◇ About the VS-3 headset	81
■ The maximum number ofpaired devices	82
■ Disconnecting from aBluetooth® device	82
■ Deleting a Bluetooth® devicefrom the pairing list	82
■ Resetting the installedBluetooth® unit	83
12 SPECIFICATIONS	84
◇ General	84
◇ Transmitter	85
◇ Receiver	85
13 MAINTENANCE	86
■ Resetting	86
◇ Partial Reset	86
◇ All Reset	86
■ Power protect function	87
■ Spurious signals	87
■ Fuse replacement	87
■ Troubleshooting	88
14 Information	90
Index	91