Panasonic CPC-EX manual Variable Resistor Purpose, VR1 VR5, VR1 VR2 VR6

Section 300-Installation Chapter 5. Peripheral Equipment

Note: To change the volume levels of the music sources, adjust the variable resistors on the SCC card.

Table 5-3. SCC variable resistors

Variable Resistor Purpose

SCC-A

VR1

VR5

Adjusts CO ringing tone volume.

Adjust MOH and BGM volume.

SCC-B

VR1

VR2

VR6

Adjusts MOH volume.

Adjust BGM volume.

Adjusts CO ringing tone volume.

Figure 5-4. Installation of music-on-hold and background music

	M otherBoard
CN 5	C N4 CN 2
	M O H Input
	SCC
	BG M
	Connector

BG M

C onnector

VR2

VR1

VR6

SW 4 (SC C-B O nly)

Radio

BG M only

Earphone

Jack

Tape Recorder

M O H or

Tape

Recorder

Radio

CN5 on

M otherBoard

BG M

Connector

	To M O H
3	Circuit
	To BG M
2
	Circuit
1	SC C-A=C N5
	SC C-B=C N4
	SCC

M O H and BG M

Earphone

Jack

ConnectPins 3 and 2 to route m usic from a single source. ConnectPins 1 and 2 to route m usic from m ultiple sources oruse internalM O H tone.

DBS-2.3/9.2-300 DBS Manual - Revised April 2000 5-9