Tot Function; Channel Setting; Tone Code Selection; Vox Function - Retevis RB628B Bedienungsanleitung

TOT function

When you press and hold the [PTT] button for more than 15-180 seconds, the
intercom will emit a continuous warning tone and the intercom will automatically
stop transmitting.

Channel setting

1) In the standby state of the radio mode, press the ◎ key once.
2) Press the ˂ or ˃ key to select the channel number you want to set.
3) Press ◎ key to save the current setting.
4) The radio can only be communicated when the radio is set to the same
channel, and the radio is clear and no noise.

Tone code selection

The distribution of tone codes can reduce the mutual interference between
radios, but the radios with different tone codes cannot make calls. Each channel
has 0 to 121 tone codes, so that your communication is more confidential. The
analog subtone codes Code 1-38 are available, and the digital subtone codes
Code 39-121 are available.
Change this option by the programming software.

Vox function

When the VOX function is set to on, you can use the radio to talk without
pressing the [PTT] key, and speaking directly into the microphone will
automatically start the transmission.
1) Turn on or off the function by the programming software.
2) Select sensitivity level 1-9 on software
9 = High sensitivity level
5 = Medium sensitivity level
1 = Low sensitivity level
3) The transmitter can be launched into the microphone. There is a short delay
between the start of speaking and the launch of the radio
4) Stop speaking, you can enter the receiving state.

Scan function

1) In the radio standby mode, press the '˃' key to enter the scan mode.
2) When an active channel is detected, the intercom will automatically suspend
receiving signals on this channel until the signal disappears.Lost. After the signal
disappears and wait for 5 seconds, the intercom will continue to scan.
3) Press the [PTT] key during scanning, and the intercom will stop transmitting
on the channel that started scanning. in the case of
When a valid signal is detected and the reception is stopped, press the [PTT]
key, and the intercom will transmit on the current channel. release
Wait 5 seconds after 【PTT】key, the intercom will continue to scan
4) Press the [Power Switch/Scan] key again to exit the scan and return to the
radio standby mode.
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