Clear-Com BS850 User Manual

PRO850 Dual-Receiver Beltpac

b

Second Receiver Module

INSTALLATION INSTRUCTIONS

d devices. Comply with ESD safe handling procedures while following these instructions.

A second receiver added to the PRO850 Dual-Receiver Beltpac allows simultaneous use of two
channels of intercom or one intercom channel plus an IFB. The following instructions will
guide you through installation of a second receiver module in a PRO850 Beltpac.

CAUTION

: Both the second receiver module and the Beltpac contain static sensitive

Figure 1. Second receiver module

PROCEDURE

Open the Beltpac and install the second receiver module as follows:

• Unscrew/Remove the two antennas and remove the battery pack from the Beltpac.

• Loosen/Remove the six screws from the Beltpac, shown in Figure 2.

NOTE:

remove) the connector screw shown
below, just enough to open the
Beltpac case, it will hold the metal

If you loosen (but do not

rack et inside the connect or in place.

Loosen this

connector

screw

Figure 2. Remove six screws from Beltpac

HM ELECTRONICS, INC.

14110 Stowe Drive, Poway, CA 92064 USA • Phone: [phone] Fax: [phone]

Remove this

connector

screw

HME# 400G550
Rev A 2/28/05

• Open the Beltpac case.

• Remove the two mounting screws from the power supply circuit board as shown

in Figure 3.

Figure 3. Remove mounting screws

• Lift the circuit board assembly out of the Beltpac and set it beside the case as
shown in Figure 4.

Figure 4. Set circuit board assembly next to case

• Install the receiver module on the main circuit board in the position shown in
Figure 5, pressing it firmly onto the two connector plugs.

Figure 5. Install receiver module

NOTE:

polarized, and will only allow the
module to be plugged in one way.

The two connectors are

2