Albrecht DB 270 Handbuch Seite 42

power (switch between high and low power). Before powering off, the output power is the
switched one. It will resume the previous power after powering on again.
Setting Begin/End Transmitting Voice Prompt (ROGER Beep) --- MENU 5
This function means to select transmitting voice prompt way:
•
OFF: turn off this function, without any voice prompting.
•
BOT: press PTT, voice prompt when begin transmitting
•
EOT: release PTT, voice prompt when end transmitting
•
BOTH: press and release PTT, voice prompt
•
In standby, press MENU+5 , the screen displays
•
Press MENU to enter, it shows "OFF", press UP / DOWN to select
OFF/BOT/EOT/BOTH, then press MENU to confirm, press EXIT return to standby.
Transmit Over Timer (TOT) --- MENU 6
TOT is designed to prevent transmitting the transceivers too long. When operating time
exceeds the preset time, it will stop transmitting and a warning sound can be heard.
This transceiver can be set in 40 levels with 15 seconds each, between 15 and 600 seconds.
In standby, press MENU+6 , the screen displays
Press MENU to enter, it shows "60", press UP / DOWN to select the desired transmitting
level, then press MENU to confirm, press EXIT return to standby.
Setting VOX (VOX) --- MENU 7
When you speak into the microphone, the transceiver can switch to transmit mode
automatically (if VOX is activated).
As the VOX should check the voice, transmitting will be a little delaying, and the beginning
first word or part of the word may not be transmitted.
•
In standby, press MENU+7 , the screen displays
•
Press MENU to enter, it shows "OFF", press UP / DOWN to turn OFF VOX
function or select VOX level (1~10), then press MENU to confirm, press EXIT return
to standby.
NOTE: In higher VOX levels a higher speaking volume will be required to activate the
transmitter. In noisy surroundings high vox levels may be necessary, while low level can be
used in a quiet surrounding.
Setting Wide or Narrow Bandwidth (WN) --- MENU 8
The bandwidth of the radio (in transmit mode and receive mode) depends on the selection of
normal (wide) and narrowband FM systems. All systems using 20 kHz channel spacing and
higher systems normally use normal bandwidth, while systems with 12.5 kHz channel spacing
are using reduced FM deviation limits and suitable reduced receiver channel bandwidth.
In standby, press MENU+8 , the screen displays
Press MENU to enter, it shows "WIDE", press
bandwidth, then press MENU to confirm, press EXIT return to standby.
Setting Voice Prompt (VOICE) --- MENU 9
In standby, press MENU+9 , the screen displays
Setting Transmit Overtime Alarm (TOA) --- MENU 10
Turn on TOA function, when your transmission reached the preset TOT (transmit over time),
the transceiver will alarm and TX indicator flash.
UP / DOWN to select WIDE/NARROW