6 DMO
This chapter describes operations related to DMO calls.
On the home screen, press to select DMO, and press . The DMO screen is
displayed.
Adjusting DMO Frequency
1. Press the PTT Group button (on top of the EP650 body). Then adjust DMO frequency
using either of the following methods.
– Rotate the PTT Group button clockwise to increase the frequency, and rotate the
button counterclockwise to decrease the frequency.
– Press
to enter a frequency value. If necessary, press (Up/Down)
to adjust the value.
NOTE
If you do not enter any value or press any key within 4s after adjusting the frequency, the adjusted
value is saved.
2. Press the PTT Group button or to save the adjusted value and exit the frequency
adjust screen.
Setting DMO Parameters
On the DMO screen, press
to set the parameters, and press again to save settings.
l Base Freq
Base Freq is the base frequency which ranges from 400.0125 MHz to 469.9875 MHz.
l Diff Freq
The default value of Diff Freq is 0, which means relay function is disabled.
– If the sender calls the receivers directly, both sides talk on the frequency of Base
Freq + Diff Freq.
– If the sender calls the receivers though a repeater, the sender talks on the frequency
of Base Freq + Diff Freq, while the receivers talk on the frequency of Base Freq.
EP650
User Guide
6 DMO
Issue 11 (2016-12-05) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
28
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