Lectrosonics H187 User Manual

H187

VHF Narrowband Plug-On Transmitter

INSTRUCTION MANUAL

• Crystal Controlled Fixed Frequency

• Wide Range Input Limiting

• Floating, Auto Latching Input Coupler

• Machined Aluminum Construction

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Rio Rancho, NM, USA
www.lectrosonics.com

H187

The H187 transmitter is FCC type accepted under Part 90 (150-172 MHz), and Part 74 (174-216 MHz)

LECTROSONICS, INC.2

Plug-On Transmitter

Table of Contents

Introduction ............................................................................................................................................................................................3

General Technical Description .............................................................................................................................................................. 3

H187 Block Diagram............................................................................................................................................................................. 3

Controls and Functions .........................................................................................................................................................................4

Input Jack .............................................................................................................................................................................................4

Power/Mute Switch ...............................................................................................................................................................................4

Power On/Off LED ................................................................................................................................................................................4

Modulation LEDs ..................................................................................................................................................................................4

Level LED .............................................................................................................................................................................................4

Limit LED ..............................................................................................................................................................................................4

Mic Level .............................................................................................................................................................................................. 4

Operating Instructions ..........................................................................................................................................................................5

Battery Replacement ............................................................................................................................................................................. 6

Specifications and Features ................................................................................................................................................................. 6

Troubleshooting .....................................................................................................................................................................................7

Service and Repair .................................................................................................................................................................................8

Returning Units for Repair ....................................................................................................................................................................8

Rio Rancho, NM 3