PLIANT TECHNOLOGY MicroCom 900M Professional Wireless Intercom Instruction Manual

June 23, 2024
PLIANT TECHNOLOGY

PLIANT TECHNOLOGY MicroCom 900M Professional Wireless Intercom

PLIANT TECHNOLOGY MicroCom 900M Professional Wireless
Intercom

INTRODUCTION

We at Pliant Technologies want to thank you for purchasing MicroCom 900M. MicroCom 900M is a compact, economical wireless intercom system that operates in the 900MHz frequency band to provide excellent range and performance. The system features small, lightweight beltpacks and provides excellent sound quality, ease-of-use, and long-life battery operation.

In order to get the most out of your new MicroCom 900M, please take a few moments to read this manual completely so that you better understand the operation of this product. This document applies to models PMC-900M and PMC- 900M-AN*. For questions not addressed in this manual, feel free to contact the Pliant Technologies Customer Support Department using the information on page 9.

*PMC-900M-AN is approved for use in Australia and New Zealand and operates within the 915–928 MHz frequency range.

PRODUCT FEATURES

  • Economical single-channel system
  • Simple to operate
  • Up to 5 full-duplex users
  • Unlimited shared users
  • Unlimited listen-only users
  • 900MHz frequency band
  • Encrypted FHSS technology
  • Small and lightweight
  • Water-resistant construction
  • Approx. 8-hour battery life
  • Low latency (less than 35 ms)

WHAT’S INCLUDED WITH MICROCOM 900M?

  • Holster
  • Lanyard
  • USB Charging Cable
  • Quick Start Guide
  • Product Registration Card

OPTIONAL ACCESSORIES

Part Number Description

MicroCom Accessories
PAC-USB6-CHG| MicroCom 6-Port USB Charger
ACC-USB2-CHG| 2-Port USB Vehicle Charger
PAC-MC-SFTCASE| MicroCom Soft Travel Case
PAC-MCXR-5CASE| MicroCom Hard Travel Case
CAB-4F-DMG| MicroCom to AD903 DMG to XLR Cable
BT-11| Replacement Li-Ion Battery
Headsets
PHS-SB11LE-DMG| SmartBoom® LITE Single Ear Pliant headset with Dual Mini connector for MicroCom
PHS-SB110E-DMG| SmartBoom PRO Single Ear Pliant headset with Dual Mini connector for MicroCom
PHS-SB210E-DMG| DMG: SmartBoom PRO Dual Ear Pliant headset with Dual Mini connector for MicroCom
PHS-IEL-M| MicroCom in-ear headset, single ear, left only
PHS-IER-M| MicroCom in-ear headset, single ear, right only
PHS-IELPTT-M| MicroCom in-hear headset with push-to-talk (PTT) button, single ear, left only
PHS-LAV-DM| MicroCom lavalier microphone and headtube
PHS-LAVPTT-DM| MicroCom lavalier microphone and eartube with PTT button

CONTROLS

Controls

DISPLAY INDICATORS

Display Indicators

SETUP

  1. Connect a headset to the beltpack. The beltpack headset connection supports dual mini and single mini headsets. Dual mini connectors can be inserted in either direction. Single mini connectors can be inserted in either port of the headset connection.

  2. Power on. Press and hold the POWER button for three (3) seconds, until the screen turns on.

  3. Select a Group. Press and hold the MODE button for 3 seconds, until the “GRP” symbol is blinking on the LCD. Then, use the VOLUME +/− buttons to select a group number from 0–51 (or 0–24 for PMC-900M-AN model). Short-press MODE to save your selection and proceed to ID setting.
    Figure 1: Group Edit Screen
    SetupImportant: Beltpacks must have the same group number to communicate.

  4. Select an ID. When “ID” begins to blink on the LCD, use the VOLUME +/− buttons to select a unique ID number. Press and hold MODE to save your selection and exit the menu.
    Figure 2: ID Edit Screen
    Setup

    a. Pack IDs range from 00–04.
    b. One pack must always use the “00” ID and serve as the master pack for proper system function. “MR” designates the master pack on its LCD.
    c. Listen-only packs must use the “L” ID. You may duplicate ID “L” on multiple beltpacks if setting up listen-only users. (See “Receiving Mode Selection” on page 6 for more information about that process.)
    d. Shared Talk beltpacks must use the “Sh” ID. You may duplicate ID “Sh” on multiple beltpacks if setting up shared users.
    However, the “Sh” ID cannot be used at the same time as the last full-duplex ID (“04”)
    Figure 3: ID Edit Screen (Master ID)
    Setup

BATTERY

The rechargeable Lithium-ion battery is installed in the device. Plug the USB charging cable into the USB port to recharge the battery. The charging LED in the right top corner of the device will illuminate solid red while the battery is charging and will turn off once the battery is fully charged. The battery charge time is approximately 3.5 hours from empty. The beltpack may be used while charging, but doing so may lengthen battery charge time.

OPERATION

  • Talk – Use the TALK button to enable or disable talk for the device. This button changes with a single, short press. “TK” appears on the LCD when enabled.
    • For full-duplex users, use a single, short press to toggle talk on and off.
    • For Shared Talk users (“Sh”), press and hold while talking to enable it for the device. (Only one Shared Talk user can talk at a time.)
  • Volume Up and Down – Use the + and − buttons to control the volume. “VOL” and a numerical value from 00–09 appear on the LCD when volume is adjusted.
  • LED Modes –
    • Left-hand Talk/State LED is blue and double blinks when logged in and single blinks when logged out.
    • Right-hand Charging LED is red when battery is low and also red when charging in progress. LED turns off when charging is complete.
      Figure 5: Sidetone Off Icon

OPERATING MULTIPLE MICROCOM SY STEMS IN ONE LOC ATION

Each separate MicroCom system should use the same Group for all beltpacks in that system. Pliant recommends that systems operating in proximity to one another set their Groups to be at least ten (10) values apart. For example, if one system is using Group 03, another system nearby should use Group 13.

The following settings are adjustable from the beltpack menu.

To access the menu, press and hold the MODE button for 3 seconds, until the “GRP” symbol is blinking on the LCD. Then, short-press the MODE button the specified number of times to access the setting you wish to change. Once you have finished your changes, press and hold MODE to save your selection and exit the menu.

  • Sidetone On/Off – Sidetone allows you to hear yourself while talking. Louder environments may require you to increase your sidetone.

    • To adjust sidetone, access the beltpack menu, then press the MODE button twice. When the “S_” value is blinking on the LCD, use the VOLUME +/− buttons to select an option from S0–S5.
    • “S0” is off. The icon in Figure 4 will appear on the top right of the beltpack screen when Sidetone is off. “S1” is the lowest sidetone level. “S5” is the highest.
    • The default sidetone setting is “S3.”
  • Receiving Mode Selection – This setting allows you to set the beltpack to full duplex mode (both receiving and transmitting) or set it to receive only (i.e., listen only, which disables the beltpack’s talk function).

    • To switch the receiving mode setting, access the beltpack menu, then press the MODE button three (3) times. When the “P_” value is blinking on the LCD, use the VOLUME +/− buttons to select between “PO” and “PF.”

    • “PO” is full duplex (both receiving and transmitting). This mode may only be used with pack IDs 00–04.

    • “PF” is receive only (i.e., listen only). This mode may be used with any pack ID, but if you wish to
      set up multiple listen-only users, you may do so by repeating ID “L” as needed, and setting each pack to “PF” mode. This is an exception to the rule that all beltpacks must have a unique ID number.

    • The default mode setting is “PO.”

  • Microphone Sensitivity Level Control – Set microphone sensitivity based on your environment and headset capabilities. Louder environments may require you to reduce the mic sensitivity, while quieter environments may require you to increase it.

    • To adjust the mic sensitivity setting, access the beltpack menu, then press the MODE button four (4) times. When the “C_” value is blinking on the LCD, use the VOLUME +/− buttons to  select an option from C1–C5.
    • “C1” is the lowest sensitivity level. “C5” is the highest.
    • The default microphone sensitivity level setting is “C1.”
  • Audio Output High/Low – Higher audio output is recommended for louder environments. Changing the output setting here results in a gain increase or decrease of 3 dB.

    • To switch the audio output setting, access the beltpack menu, then press the MODE button five (5) times. When the “U_” value is blinking on the LCD, use the VOLUME +/− buttons to select between “UL” and “UH.”
    • “UL” is audio output low. “UH” is audio output high.
    • The default audio output setting is “UH” (audio output high).

MENU OPTIONS

Menu Setting Options Description
Sidetone S0 S1, S2, S3*, S4, S5 Sidetone Off Sidetone Levels 1–5
Receiving Mode PO* PF Receiving and Transmitting Mode Receive-Only Mode

(Listen-Only)
Mic Sensitivity Level| C1, C2, C3, C4, C5| Mic Sensitivity Levels 1–5
Audio Output Level| UL UH
| Audio Output Low Audio Output High

  • Default Settings Noted with Asterisk

RECOMMENDED SETTINGS BY HEADSET

The following table provides recommended MicroCom settings for several common headset models.

Headset Model Recommended Setting
Mic Sensitivity Level Audio Output Level
Headset with boom mic C1
Headset with lavalier mic C3

Use the diagram of the wiring for the beltpack’s TRRS connector if you choose to connect your own headphones. The microphone bias voltage range is 1.9V DC unloaded and 1.3V DC loaded.

Figure 4: TRRS Connector
Menu Settings

DEVICE SPECIFICATIONS

**Specification*** PMC-900M PMC-900M-AN**
Radio Frequency Type ISM 902–928 MHz ISM 915–928 MHz
Radio Interface ISM 900 MHz: FSK Modulation with Frequency Hopping
Voice Codec 16 bit / 16 KHz
Tx Max Output Power 100 mW
Rx Sensitivity -95 dBm
Voice Latency <35 ms
Frequency Channels 78 channels
Channel Spacing 2 MHz
Data Rate 2 Mbps
Battery Type Rechargeable 3.7 V, 1,100 mA Li-ion fixed battery
Battery Life Approx. 8 hours
Power Consumption Average 10 mA at Class 1 (100 mW)
Charge Type USB Micro, 5V 1 2A
Frequency Response 50 Hz – 7 kHz
Maximum Full Duplex Users 5
Dimension / Weight 98 mm (H) x 49 mm (W) x 17 mm (D) / 88 g
Display 7-segment LCD
  • Notice about Specifications: While Pliant Technologies makes every attempt to maintain the accuracy of the information contained in its product manuals, that information is subject to change without notice. Performance specifications included in this manual are design-centered specifications and are included for customer guidance and to facilitate system installation. Actual operating performance may vary. Manufacturer reserves the right to change specifications to reflect latest changes in technology and improvements at any time without notice.
  • PMC-900M-AN is approved for use in Australia and New Zealand and operates within the 915–928 MHz frequency range.

PRODUCT CARE AND MAINTENANCE

Clean using a soft, damp cloth.

CAUTION

Do not use cleaners that contain solvents. Keep liquid and foreign objects out of the device openings. If the product is exposed to rain, gently wipe off all surfaces, cables, and cable connections as soon as possible and allow unit to dry before storing.

PRODUCT SUPPORT

Pliant Technologies offers technical support via phone and email from 07:00 to 19:00 Central Time (UTC−06:00), Monday through Friday.
1.844.475.4268 or +1.334.321.1160
technical.support@plianttechnologies.com

Visit www.plianttechnologies.com for product support, documentation, and live chat for help. (Live chat available 08:00 to 17:00 Central Time (UTC−06:00), Monday through Friday.)

RETURNING EQUIPMENT FOR REPAIR OR MAINTENANCE

All questions and/or requests for a Return Authorization Number should be directed to the Customer Service department (customer.service@plianttechnologies.com). Do not return any equipment directly to the factory without first obtaining a Return Material Authorization (RMA) Number.

Obtaining a Return Material Authorization Number will ensure that your equipment is handled promptly.

All shipments of Pliant products should be made via UPS, or the best available shipper, prepaid and insured. The equipment should be shipped in the original packing carton; if that is not available, use any suitable container that is rigid and of adequate size to surround the equipment with at least four inches of shock-absorbing material. All shipments should be sent to the following address and must include a Return Material Authorization Number:

Pliant Technologies Customer Service Department
Attn: Return Material Authorization #
205 Technology Parkway
Auburn, AL USA 36830-0500

LICENSE INFORMATION

PLIANT TECHNOLOGIES MICROCOM™ FCC COMPLIANCE STATEMENT

00004130 (FCCID: YJH-MC-11)
00004130-B and 00004303 (FCCID: YJH-MCS-900)

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one of the following measures:

  • Reorient or relocate the receiving antenna.
  • Increase the separation between the equipment and receiver.
  • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
  • Consult the dealer or an experienced radio/TV technician for help.

CAUTION

Modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.

FCC Compliance Information: This device complies with Part 15 of the FCC Rules. Operation is subject 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.

IMPORTANT NOTE

FCC RF Radiation Exposure Statement: This equipment complies with FCC RF radiation exposure limits set forth for an uncontrolled environment.

The antennas used for this transmitter must be installed to provide a separation distance of at least 5 mm from all persons and must not be co- located or operating in conjunction with any other antenna or transmitter.

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