Operation Manual

USB 7392 - 7393

Microphone systems

GENERAL SPECIFICATIONS

- Two-channel system

- Two handheld transmitters

- Working frequency range: UHF 520-820MHz

- PLL system

- Diversity (selective reception)

- 2x16 selectable frequencies

- LCD display (liquid crystal display)

TRANSMITTER DESCRIPTION

1. Sound Settings

These settings enable the user to set the v

olume of audio signals at the signal inputs for each channel.

Note: If y

ou set the volume too high, the sound may be distorted.

Note: If volume setting is too high when the system operates near speakers, it may result in Larsen effect

in the speakers.

2. LED Display

Displays for each channel indicate all indications necessary to a proper function of the HF system:

- frequency being used

- number of the channel corresponding to the frequency being used

- RF reception level

- AF audio signal level

- Receiving aerial indicator: 1 or Il

- Sound attenuation (cut-off) indicator: Mute

3. Frequency Confirmation Button

This button allows y

ou to confirm the frequency selected. In addition, it allows you to confirm receiver

settings.

The button is also used to lock a working frequency.