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How to program Motorola GM300

Date:Jan 06, 2021

1. Installation of gm300 frequency writing software:

2. Installation and connection of the frequency writer:

 

3. Use of gm300 frequency writing software:


Modify the frequency data of the car: In the main menu'mian menu', press the f4 key, and then press the f5 key. Press the enter key to switch the setting items.

1.'rx frequency' item is to set the receiving frequency.

The'tx frequency' item is to set the transmit frequency. (Enter with the number keys, unit: mhz)

The'rx squelch type' item is to set the squelch type of reception (use the up and down keys to select)

The'tx squelch type' item is to set the squelch type of emission (use the up and down keys to select)

The'rx squelch code' item is to set the corresponding subtone number of the receiving squelch type (use the up and down keys to select)

The'tx squelch code' item is to set the corresponding subtone number of the emission squelch type (select with the up and down keys)

csq general squelch type

tpl Modulated Tone Squelch Type Select the same number of tones to make a call

dpl Digital Tone Squelch Type Select the same number of tones to make a call

'time out time' item is to set the call timing unit: second

'tx inhibit on busy' item is set to transmit statically when receiving yes or no

'local/distance' item is to set short range or long range (receiving sensitivity is different)

The'phone signaling system' item is to set the phone handle signaling system (normal communication is set to none)

The'rx signaling system' item is to set the receiving signaling system (normal communication is set to none)

The'tx signaling system' item is to set the transmission signaling system (normal communication is set to none)

2. Increase the channel:

Press the f8 key to enter the channel setting menu, use the up and down keys to select'add mode' to add channels

After the mode, press the f8 key again to add a channel. Press the f10 key to launch.

3. Delete the channel:

Press the f8 key to enter the channel setting menu, use the up and down keys to select'delete mode' to delete the letter

After the channel mode, press the f8 key again to delete a channel. Press the f10 key to exit.


4.Set the power of the car platform:

Press the f2 key under the main menu'mian menu' to enter the'service menu' menu

Press the f2 key to enter the'alignment menu', and finally press the f7 key to enter the power adjustment function menu

1. Use the up and down keys to modify the power

2. The f6 key is the vehicle trial transmission key (after the trial transmission, press the f6 key to close the trial transmission)

3. After setting the power, press the f8 key to save the setting data and exit or press the f10 key to exit without saving

4. Press the f10 key until you return to the main menu'mian menu'


Note: 

1. Do not power off or exit abnormally during the power adjustment process, otherwise it will easily cause serious consequences.

2. The meter must be connected during trial transmission