Each department name and explanation

The front panel

1	Microphone	It is the volume that the volume of the microphone broadcasting is adjusted.
2	The outside 1	It is the volume that the broadcasting volume of the outside 1 is adjusted.
3	The outside 2	It is the volume that the broadcasting volume of the outside 2 is adjusted.
4	VU meter	Broadcasting volume is shown with guidelines.
5	Output switching	It is the changeover switch of the broadcasting output system.
6	Microphone	It is the jack which connects a microphone.
7	An independent broadcasting choice	It is the switch which chooses a broadcasting system independently. An upside is the choice of the microphone broadcasting (the outside 1). A bottom side is the choice of the outside 2 broadcasting.
8	A general broadcasting choice	It is the choice switch of the general broadcasting. An upside is the general choice of the microphone broadcasting (the outside 1). A bottom side is the general choice of the outside 2 broadcasting.
9	Voltage check	It is the terminal which checks the voltage of 50V and 24V.
10	At night, volume switching	Or it is a switch to change to the volume in the daytime forcibly at night (the broadcasting volume) (the volume).
11	Power supply	It is a power supply indicator lamp.
12	AC	It is the switch which supplies a power supply.

The rear panel

1	The outside 1	It is power supply supply of a machine to connect to the outside 1.
2	The outside 2	It is controlled with power supply supply of a machine to connect to the outside 2 with a broadcasting system choice switch.
3	FUSE	It is 5A fuse for the AC power supply.
4	Speaker terminal	It is the terminal which connects high impedance Speaker.
5	The outside 1	It is the jack which connects a radio or Tape player .
6	The outside 2	It is the jack which connects a BGM performance device.
7	home microphone up 1	It is an up home microphone box (NO.1) connection connector.
8	home microphone up 2	It is an up home microphone box (NO.2) connection connector.
9	Home microphone descent 3	It is a descent home microphone box connection connector.