Chirp software title column introduction

In our last blog, we introduced the general method to download and install chirp software. But some new users may not clear about the meaning of the title column of chirp. Now, let’s discuss together.

Chirp software title column as below:(different models have slight difference)

Title is not same as Retevis software, as Retevis and chirp have start the great cooperation, we will introduce the meaning for each title column one by one, so you can use chirp software more smoothly.

Chirp software frequency:

Loc: channel no.
Frequency: here it’s receiving frequency
Name: it’s the channel name you saved for this channel(some radios that can same channel names have this colume, some not)
Duplex:frequency difference(Transmit frequency- Receiving frequency)
there’s 5 options inside this column, explanation as below:
1. None:no frequency difference(Transmit frequency=Receive frequency)
2. +: Transmit frequency>Receive frequency
3. -:Transmit frequency<Receive frequency
4.Split: when choose split, you can write the actual transmit frequency in offset column by hand directly
5. off: forbidden to transmit in this channel, but can still receive signals
Offset: it’s the amount that transmit frequency is higher or lower than receiving frequency
For example: receive frequency:462.0375
transmit frequency:467.0375
Then: we choose “+” duplex column.
we write 5.000000 in “offset” column.
Mode: widewidth
2options inside: FM—WIDE bandwidth
NFM—NARROW bandwidth
Power: transmit power
Skip: 2options inside:S—no scan this channel(skip)
P—scan this channel(priority)

Chirp software CTCSS/DCS:

Tone mode:CTCSS/DCS mode
1.None: no CTCSS/DCS for receiving&transmit
2.Tone: only transmit CTCSS is set, receive CTCSS is open(no set). The tone used is that which is set in the Tone column.
3.TSQL:RX CTCSS=TX CTCSS The tone used is that which is set in the ToneSql column.
4.DTCS: RX DCS=TX DCS The code used is that which is set in the DTCS Code column.
5.Cross: A complex arrangement of squelch technologies is in use. See the definition of the Cross Mode column for details.

cross

The one on the left side of “>” always means transmit CTCSS or DTCS.
The one on the right side of “>” always means receive CTCSS or DTCS.
If it’s “blank”, no content on the left or right side,means no CTCSS/DTCS set

Tone: TX CTCSS
ToneSql: RX CTCSS
DTCS code: TX DTCS
DTCS Rx code:RX CTCSS

Now we have chirp software for Retevis RT 5R,RT6,RT21,RT22, when you operation issue with these model, please feel free to email to kam@retevis.com, we are always here to help! Thanks for your support!

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