Retevis RA89 Manual Del Usuario página 12

DETAILED FUNCTION DESCRIPTIONS
1)Scan & Scan Mode Setting (SCAN&SCANS---MENU 1&17)
Functions: under VFO/MR/CH mode, the transceiver allows you to scan the entire current operating band and memory channels.
Enter Menu 1st and press [ ] key to start scanning.
When you have started scanning, press [ ] / [ ] key to change direction. And it will halt on a signal it encounters, press [ ]
key to stop scanning.
Scanning operation is basically the same as each of the above modes. Before you begin，take a moment to select the way in which you
would like the scanning to halt on a signal.
Enter Menu 17th to set scan mode. Default: TO.
Three options for the scan mode are available under VFO mode:
TO: In this mode, the scanning will halt on a signal it encounters, and will hold there for some time. If you do not take action to disable the
scanning within the time period，the scanning will resume even if the stations are still active.
CO: In this mode, the scanning will halt on a signal it encounters, and will hold there if the stations are still active. And after the carrier has
dropped, the scanning will resume.
SE: In this mode, the scanning will halt on a signal it encounters, it will not restart
automatically; you must manually re-initiate scanning if you wish to resume.
2)Priority Transmit (TX.SEL—MENU 2)
Functions: This transceiver allows you to transmit on the sub band even if you are working on the operating band.
Enter Menu 2nd to select priority transmit band. Default: EDIT.
EDIT: It will transmit on the operating band.
BUSY: It will transmit on the band last talking used.
Note: this function only works on Dual Wait Mode. Menu 6th turn on Dual Wait
3) VOX Level & VOX Switch (VOX&VOX.SW--- MENU 3&13)
Functions: the VOX function provides automatic transmit/receive switching based on the voice that is input to the microphone. With the VOX
switch ON, you do not need to
press PTT key to transmit, and it is not necessary to use a VOX headset for VOX operation.
Enter Menu 13th to set VOX switch. Default: OFF.
Enter Menu 3rd to set VOX level, it has 7 grades.
The higher level is, the lower sensitive it will be.
This transceiver provides for adjustment of " Hang-Time" of the VOX (the transmit-receive delay after the cessation of speech) via program
software.
Default: 2s.
4) TX Power Setting (POW--MENU 4)
Functions: you can select High/Low TX power according to your talking environment
and need. When you store memories, you can store High and Low power settings separately in each memory.
Enter Menu 4th to set TX power.
High:10W, Middle:5W, Low:1W, when you select Low power, the "L" icon will appear on the display.
5) Squelch Adjustment (SQL-- MENU 5)
Functions: Squelch system allows you to mute the background noise when no signal
is being received. Not only does the Squelch system "standby" operation
more pleasant, but also significantly reduces battery current consumption.
Enter Menu 5th to set SQL level. Default: 5.
6) Dual Wait/Standby (D. WAIT---MENU 6)
Functions: This transceiver allows you to receive the sub band signal even if you are working on the operating band. It could monitor the
signal under both
master and sub band at the same time.
Enter Menu 6th to set Dual Wait. Default: ON.
7) LED Display Mode (LED---MENU7)
Function: select the LED/Keypad Lamp mode.
Enter Menu 7th to select LED display mode. Default: 25s.
ON:The LED will always light if choose ON. You can set light time 5S,10S,15S,20S,25S,30S to disable the lamp.Illuminates the LED when
any key is pressed.
OFF: Disable the LED lamp.
8) Background Light brightness (LIGHT---MENU 8)
Functions: Adjust screen brightness.
Enter Menu 8th to adjust screen brightness 1, 2, 3, 4, 5, 6, 7.
9) Keypad Beeper setting (BEEP---MENU 9)
Functions: enable/disable the keypad beeper.
Enter Menu 9th to set keypad beeper. Default: ON.
10) Preset Channel Selection (DT/2T/5T CH-MENU 10)
Functions: Preset the signal type (OFF/IDTMF/2T/5T) at software, by choosing 1-16 channel to achieve remote kill stun/activate/revive
function.
Enter Menu 10th to choose 1-16 channel.
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. In the event of a stuck PTT switch, it can prevent interference
from other users as well as battery depletion.
Enter Menu 11th to set TOT.
Default: OFF.
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