Maas AHT-28-V, User Manual

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11) Transmitter Time-Out Timer (TOT---MENU 11)
Functions: the TOT feature provides a safety switch which limits transmission to a
pre-programmed value. This will promote battery conservation by not
allowing you to make excessively-long transmissions, and in the event of
a stuck PTT switch it can prevent interference to other users as well as
battery depletion.
Enter Menu 11 th to set TOT. Default: OFF.
12) Busy Channel Lock-Out (BCLO---MENU 12)
Functions: the BCLO feature prevents the radio’s transmitter from being activated if a
signal strong enough to break through the “noise” squelch is present. On a
frequency where stations using different CTCSS or DCS codes may be
active, BCLO prevents you from disrupting their communications
accidentally (because your radio may be muted by its own tone decoder).
Enter Menu 12
th
to set BCLO. Default: OFF.
OFF: Disable BCLO feature.
WAVE: the radio’s PTT will be prevented only if the frequency is busy used.
CALL: the radio’s PTT will be prevented only the frequency and tone coder is the same.
13) Transmit Over Beeper (ROGER---MENU 14)
Functions: sending a beeper to inform the receiver TX is over.
Enter Menu 14
th
to set ROGER. Default: OFF.
14) Dual Watch/Monitor (DW---MENU 15)
Functions: Dual Watch feature makes the transceiver can monitor the calling signal
when FM radio is on and you won’t miss any calling.
Enter Menu 15 th to set DW. Default: OFF.
15) Receive Saver (RX.SAV---MENU 16)
Functions: this feature significantly reduces quiescent battery drain, and you may not
receive the full data burst.
Enter Menu 16
th
to set RX.SAV. Default: OFF.
16) Auto Keypad Lock (AUTOLK---MENU 18)
Functions: in order to prevent accidental frequency change or inadvertent transmission,
various aspects of the transceiver’s keys and switches may be locked out.
Enter Menu 18 th to set AUTOLK. Default: OFF.
When you switch AUTOLK ON, the keypad will be locked automatically if there is no key
operation for 5 second.
If the radio is locked, press [ ] key to unlock it. Also you can lock it using [ ] key
by manual.
17) Voice Prompt (VOICE---MENU 19)
Functions: enable/disable voice prompt.
Enter Menu 19 th to set VOICE. Default: ON.