Radioddity DB40-G - Extended Channel Frequency Editor; Channel Name Editing (Length 8); Dual Frequency Standby

6.13 Extended Channel Frequency Editor
Please note that channels 1-30 are reserved for the main
channels and cannot be edited, only 031-199 can be freely set for
extended channels.
To add the current frequency to an extended channel, follow
these steps:
1. Switch to VFO mode.
2. Press the "RECORD" button on the hand-mic to initiate the
saving process.
3. Choose a desired channel to store the frequency.
*Please note that if the selected channel (CH031-199) is
already occupied, the saving process will fail. Ensure that the
channel is empty before attempting to save the frequency.
6.14 Channel Name Editing (Length 8)：
Press "RECORD" to set the channel name. Use the knob (or
hand-mic Up or Down) to modify the characters. Press ENCODER
or MODE to switch to the next character, and press PTT to end the
edit.
6.15 Dual Frequency Standby
Under any channel, press the hand-mic "*" to set the