用户手册目录Description & Specifications 1 15Installation 2 15Operation 3 16Maintenance 4 16Parts Lists 5 17Diagrams 6 17Description & Specifications9Description9General9Features9Front Panel Features10Channel Selector and Operation Buttons10Volume Controls10Sidetone Nulling Trimmers10Connections, Inputs and Outputs10Front Panel10Panel Microphone Jack10Rear Panel Features11Intercom Lines11External Program Input11Speaker Output12Auxiliary Connector12Programming12Power12Mounting Configuration12MCE325 Specifications13General13Microphone Preamplifier13Headphone Amplifier13Speaker Amplifier13Power and Mechanical13Connectors14MCS325 Specifications14Installation21Internal Programming and Adjustments21General21Intercom Line-Channel Configurations (DS1-DS3, J6, J7, J19 & J20)22Front Panel Setup Mode Lock-out (DS4)25ISO (DS5)25Remote Talk-off (DS7)25VOX (DS8)25Program Assignment – IFB Option (J4, J5, J16-J18)26Balanced/Unbalanced Dynamic Microphone Selection (J24)26Headphone Sidetone Trimmer Adjustment (R37)26Speaker Dim Adjustment (R157)26Mechanical Installation26Electrical Installation28AC Power and Fuse28Intercom Lines J8, J9, and J1028General28Connector Pin-outs28Four-wire Output Termination28Program Inputs, J14 and J1529External Speaker, J2729Auxiliary Connector, J2229Four-Wire Channel A and B Input29Key outputs – Expanded IFB Option30Remote Microphone Switch30ISO Connection30External Headset30External Electret Microphone31Unswitched Microphone Output31External DC Power Source31Remote Speaker Mute Control31Front Panel Headset Connections31Headset Requirements31Headset Connections31Operation33General33Operating Instructions33Momentary/Latching Button action33LED Indicators33Channel Selection33Panel Mic/Headset Mic Selection34Microphone On/Off34Speaker On/Off34Volume Adjustment34Front Panel Sidetone Nulling Trimmer Adjustment34Sending and Receiving Call Signals35Using the Talk-Off Feature35Front Panel Programming35Activating Setup Mode35Menu Selection/Ending Setup35Submenus35Channel ID36Four-channel Listen36Mono36Call Disable36Button Lock36Latch Disable36Instant Mic37Reset37Maintenance39Preventive Maintenance39Factory Support Information39Corrective Maintenance39Access39Front Panel Removal39Cleaning40Test and Adjustment Procedures40Notes40Test Equipment40Power Supply Test40Initial Configuration41Keying Output Test41USMB (Un-Switched Microphone Balanced) Frequency Response and Level Check42Frequency Response and Level Check, Mic to Line42Four-Channel, Two-Wire Mode42Two-Channel, Four-Wire Mode43Sidetone Null Test and Adjustment43True Sidetone Adjust44Level and Frequency Response Check, Intercom Channel to Headphone44Level and Frequency Response Check, Intercom Channel to Speaker45Level and Frequency Response, Program to Headphones and Speaker45Program A to Left Headphone45Program B to Right Headphone46Program to Speaker46IFB Test46IFB B46IFB A47Level and Frequency Response Check, Four-Wire Input to Headphone47Four-Wire A Input to Left Headphone47Four-Wire B input to Right Headphone47Panel Mic to Channel Test48Carbon Mic to Channel Test48VOX Test48Mic Kill Receive Test48Mic Kill Transmit Test49Call Transmit Test49Call Receive Test49ISO Test50Remote Mic Switch Test50Program Lockout Test50Noise Checks50Parts Lists53Packaging Assembly (9000-6464-00)53Final Assembly, MCE325 (9010-6464-00)53Front Panel Assembly (9020-6261-00)54Back Panel Assembly (9020-6262-00)55Heatsink Assembly (9020-6324-00)55Main PC Board Assembly (9030-6245-01)55PC Board Assembly, Front Panel (9030-6246-00)65Diagrams67文件大小: 2.5 MB页数: 85Language: English打开用户手册