Radioddity Extended manual for Radioddity DB25-D, DB40-D & GD-88 v3.0
© Radioddity 2023 page 63 of 252
6.12 Zone / Channel Selection
When the ‘ ’ icon, ‘PTT’ or ‘CTRL’ is shown left to the current VFO A or B, the
following two methods can be used to select the desired zone, channels switching
and zone name modification or editing.
1. Programming one of the keys for the [Zone] switching feature.
2. Select the [Zone] item by accessing ‘Menu → Zone&Channel’
6.13 Monitor
In Standby Mode or before pressing the [PTT]-key to transmit, press the preset
[Monitor]-key to monitor channel activity, or receive weak signals, or confirm
whether the current channel is free. An active Monitor- or Permanent Monitor-
function is indicated by the symbol ‘ ’on the top most display line.
6.14 Permanent Monitor
In Standby Mode, press the preset [Permanent Monitor]-key to continuous
monitor the current channel activity. Permanent Monitor is same as Monitor
feature, which is allowing you to monitor the channel to make sure it is not
occupied before transmitting; their difference is once Permanent Monitor is on,
the radio will always be in this monitor mode, till you exit it. An active Monitor- or
Permanent Monitor-function is indicated by the symbol ‘ ’ on the top most
display line.
6.15 Promiscuous Mode
If you haven´t assigned a proper RX-group to the selected channel, you may still
monitor all activity that is taking place on the specified channel and its assigned
TimeSlot by means of activating the so-called Promiscuous mode.
To do so, define one of the programmable keys for [Promiscuous]. Whenever you
press that preset key promiscuous mode will be turned On/Off. Active
promiscuous mode is indicated by the icon left to the TimeSlot icon of a
digital channel. If VFO A and VFO B both have been selected a digital channel,
promiscuous mode is active for both VFOs.
Only those traffic that is been received from the currently selected digital channel
and its assigned TimeSlot will be monitored. If you do want to monitor both
TimeSlots, setup one channel with TimeSlot 1 and another channel with TimeSlot
2. Select one of those channels for VFO A and the other one for VFO B. Now
activate promiscuous mode. Both VFOs will now be in promiscuous mode. As
soon as there is traffic been identified by one of the VFOs, those will be heard.
Only one VFO can be heard at the very same time.
If the currently active TalkGroup is NOT a member of the RX Group that´s
assigned to the selected channel or even no RX Group is assigned to the selected
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