AN241
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2. The transmit power adjustment is applicable to the operating frequency band selection of 314MHz,
433MHz, 865MHz and 914MHz (click menu of Frequencry Band selection). If 169MHz and 230MHz are
selected, the transmit power is not optimized, so the presentation effect will be biased.
2.8 Preamble Length Submenu
Select the 6 Preamble Length and press K5 to enter the submenu, as shown in Figure 2-9.
CM T2 31 0A EB GU I
6 Pre am bl e Len gth
64 By tes
1. Rolling option area
Figure 2-9. Preamble Length Submenu Interface
No.
Function
Description
1
Rolling option area
In this area different preamble length can be selected by pressing K3 or
K4
：
8 Bytes
16 Bytes
32 Bytes
64 Bytes
128 Bytes
256 Bytes
512 Bytes
1024 Bytes
After selecting the corresponding modulation mode, press K2 or K5 to
confirm the selection and return to the upper menu (i.e. the main menu).
2.9 Packet Length Submenu
Select the 7 Packet Length and press K5 to enter the submenu, as shown in Figure 2-10.
