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Chapter 4 Adjusting Volume

Purpose:

Adopting full-duplex mode, DS-1350HMI Mobile Intercom enables two-way audio after the connection with

mobile DVR or mobile enforcement system is done.

Steps:

Press buttons "+" and "-"to adjust the volume which is divided into 5 levels.

When pressing the volume button to adjust the volume, the LED indicator flashes for once. When pressing the

volume button with no other operation in 3s, the LED indicator continuously flashes for 3 times, which

indicates the current volume is saved.

Press the "+" button to the top level, and then the LED indicator does not flash when pressing "+" again, and

the volume remains at the top level, vice versa.

Power the device on for first time, the volume remains at the third level by default. If the volume has been

adjusted during the last use, the volume remains the same with your last settings.

DS-1350HMI Mobile Intercom