Maas AHT-28-V, User Manual

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18) Power-on Display setting (OPN.SET&VLT&PON.MSG---MENU 20&21&22)
Functions: choose power-on display mode and edit power-on message
Enter Menu 20
th
to set OPN.SET. Default: OFF.
OFF: display model version
DC: battery power voltage
MSG: power-on message
Enter Menu 21 st to check battery voltage.
Enter Menu 22
nd
to edit power-on message, also you can edit it directly by
program software.
Using [ ] / [ ] to select character; [ ] / [ ] to switch cursor position.
19) Repeater Shift setting (OFFSET&S-D---MENU 23&28)
Functions: repeater stations, usually located on mountaintops or other high locations,
provide a dramatic extension of the communication range for low-powered
hand-held or mobile transceivers.
Under VFO mode, you can set the magnitude and direction of the repeater shift.
Enter Menu 23
rd
to set magnitude of the repeater shift.
Available values: 0.00 ~ 99.95 MHz
Enter Menu 28 th to set the repeater shift direction. Default: OFF.
20) Display Channel Name (DIS.NAME&CH.NAME---MENU 23&24)
Functions: switch channel name display ON/OFF and edit channel name under MR/CH
mode.
Enter Menu 23 rd to switch display channel name ON/OFF.
Enter Menu 24
th
to edit channel name, also you can edit it directly by program
software.
Using [ ] / [ ] to select character; [ ] / [ ] to switch cursor position.
21) Tone coder & Tone Search Scanning & Tone calling (C-CDC& R-CDC&
T-CDC&SEEK 67.0&D023N---MENU 25&26&27&31&32)
Function 1: CTCSS/DCS Operation
Many repeater systems require that a very-low-frequency audio tone be superimposed
on your FM carrier in order to activate the repeater. This helps prevent false activation
of the repeater by radar or spurious signals from other transmitters.
Enter Menu 25
th
/26
th
/27
th
to set TX&RX Tone coder/ RX Tone coder/ TX Tone coder.
1) Press [ ] key to select CTCSS/ DCS/ OFF. After you choose CTCSS/ DCS,
press [ ] / [ ] key to choose the right group you need.
2) Press [ ] key to select DCS direction.
The transceiver has 50 groups CTCSS, 104 groups normal/inverted DCS.