Retevis MA1 - Page 21

3)Scan stas at the current channel.
4)The 1 MHz decimal blinks while scanning is in progress.
5)To reverse the scan direction, turn the Tuning control clockwise (upward scan) or counter-
clockwise (downward scan). You can also press microphone [UP]/ [DWN].
6)To quit Memo Scan, press [MR] again.
3.MHz SCAN
MHz Scan monitors a 1 MHz segment of the band, using the current frequency step size. The
current 1 MHz digit determines the limits of the scan.
For example, if the current frequency is 145.400 MHz, the scan range would be from 145.000
MHz to 145.995 MHz (the upper limit depends on the current frequency step size).
1)Select your desired band.
2)Press [VFO].
3)Rotate the Tuning control to select a frequency within your desired 1 MHz range.
4)Press and hold the Tuning control for 1 second to sta scanning. The 1 MHz decimal blinks
while scanning is in progress. To reverse the scan direction, turn the Tuning control clockwise
or counterclockwise adjust the scan direction. You can also press microphone [UP]/ [DWN]
key.
5)Press the Tuning cotrol again to stop scan.
4.Scan Bounda Channels
This function allows you to scan a specied frequency range and store the channel, which is
called scanning bounda channels.
1)If necessa, press the [VFO] key to enter VFO mode.
2)Store frequency 1 in channel #L01 (scan lower bounda channel #1, L represents lower
bounda). in VFO mode, select a frequency, then press[F], a memo channel number
appears and blinks, counterclockwise the rotate knob to select L01, and press [MR] will save it
as L01.
3)Similarly, store frequency 2 in channel number #L01 ( U represents upper bounda). same
operation as above operation.
4)Press the [MR] key to enter channel mode, and then select channel #L01.
5)Press and hold the [MR] key for 1S to sta scanning. The scan will be peormed within the
frequency range of #L1 and #U1.
6)There are 5 pairs of scanning bounda channels, namely L1/U1 – L5/U5. You can select
other scanning bounda channels as needed.
Note: When scanning bounda channels, the L#1 frequency must be smaller than the U#2
frequency, and cross-band scanning is not suppoed, otherwise it will become scanning the
current segment frequency.
DUAL TONE MULTI-FREQUENCY (DTMF) Function
There are two ways to send DTMF signaling:
1)Use the microphone’s numeric keys.
Press and hold the PTT key to directly enter the other pay’s phone number, including
numbers 0~9, *, # and letters A/B/C/D.
2)Use DTMF automatic dialer.
The DTMF automatic dialer memo of this radio can store 16 phone numbers or access code
numbers.
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