Radioddity Extended manual for Radioddity DB25-D, DB40-D & GD-88 v3.0
© Radioddity 2023 page 55 of 252
5.13 Main functions description
The chapter does describe the main functions of the radio. Some of them are only
available in analog operating mode (FM), others are only available in digital operating
mode (DMR) and a few of them are in common for both operating modes.
5.13.1 Common functions
A zone Is a group of channels. Support end users to build and
expand zones by themselves.
In VFO mode, the user can directly input the required
frequency using the numeric keyboard of the Speaker-
Microphone
Support end users to build and expand channels by
themselves. Memory is handled dynamically
The power level is for the transmission output power level of
the current channel, which can be set to high or low power.
Emergency alarm has the highest priority.
When the terminal scans a signal on a channel, It will stay on
the channel to listen, to understand the current activity status
of the relevant team members.
If VOX is On, when the voice is detected to reach the
transmission condition by the microphone, it will be
transmitted automatically. The user can initiate a call without
pressing the [PTT]-key.
Busy channel lockout (BCL) prohibits transmission and
prevents interference with other users when the radio is
receiving traffic.
When a transmission times out, the radio will automatically
terminate the transmission and issue a warning sound. The
user can Initiate a call without pressing the [PTT]-key.
Keypad lock is used to lock keys to prevent Inadvertent key
operation. The radio may be set to automatic or manual lock
mode.
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