Telex BP-1002, BP-2002 operating instructions Internal SWITCHES, Jumpers and Adjustments

INTERNAL SWITCHES, JUMPERS AND ADJUSTMENTS

There are several internal switches, jumpers and an adjustment that affect operation. These are described below. To gain access to the switches, jumpers and the adjustment, disconnect all power and line connections. Remove two screws from the top of each side and two screws from bottom of each side. Switch, jumper and adjustment locations are shown in Figure 2.

Figure 2. Internal Switches, Jumpers and Adjustments. Note, if you have 9350-7749-000 board, figure 4 on page 19.

NOTE: Figure 2 shows a BP-2002 with the switches and jumpers in their factory default positions (referenced in Table 2).

The SIDETONE adjustment is also accessible behind the screw that holds the belt clip (callout 5 in Figure 1).

The functions of the internal switches and jumpers are described in Table 3.

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