Maas AHT-28-V, User Manual

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TONE CALLING (1750Hz TONE)
To access a repeater, press and hold in [ ] key for the amount
of time specified by the repeater. The transmitter will automatically
be activated, and a 1750Hz audio tone will be superimposed on the
carrier. Once access to the repeater has been gained, you may
release [ ] key and use PTT for activating the transmission.
5)
CHANNEL STORAGE AND DELETE 6)
Channel Storage
Under VFO mode, input desired frequency by keypad directly or
select one by pressing [ ] or [ ], and then press [ ] +
[ ], the digits blinks at the right top of LCD, press number to
input desired channel directly or press [ ] or [ ] to choose
desired one, then press [ ] for storage.
Note: after you input desired channel number, if it blinks, it means
that this channel is already occupied, you can choose another
one.
e.g.: to store the frequency: 450.325MHz with CTCSS: 151.4 to the
channel 05, the step are as follows:
1) Under VFO mode, input 4-5-0-3-2-5
2) Press [ ] + [ ][ ] or press [ ] + [ ], then press
[ ] to enter
3) Press [ ] to choose CTCSS mode, LCD displays C-CDC 67.0
4) Press [ ] or [ ] to choose 154.1, then press [ ] to confirm
5) Press [ ] twice to exit
6) Press [ ] + [ ], the digit blinks at the right top of LCD
7) Press [ ] or [ ] to choose or input 05 directly
8) Press [ ] for storage, LCD displays MR mode and currently
stored channel
Channel delete
1) Under MR or CH mode, press [ ] to turn on the radio, LCD
displays "DEL ?" and channel number blinks at the right top of
LCD.
2) Press [ ] or [ ] or input channel number you want to
delete, then press [ ] to confirm
3) After delete, it will skip into next channel, if you want to delete it,
repeat above operation.