Bird Technologies BDS-Manual User Manual
Page 85
71
Table 5-46 Application Object Instances
Attenuation Control Object – Class Code: 104 (68
HEX
)
Table 5-47 Attenuation Control Class Attributes
(Instance 0)
Table 5-48 Attenuation Control Instance Attributes
Table 5-49 Attenuation Control Common Services
Table 5-50 Attenuation Control Object Instances
Instance
Name
Description
1
Frequency 1
Frequency 1 selection and results.
2
Frequency 2
Frequency 2 selection and results.
3
Frequency 3
Frequency 3 selection and results.
4
Frequency 4
Frequency 4 selection and results.
5
Frequency 5
Frequency 5 selection and results.
6
Frequency 6
Frequency 6 selection and results.
7
Frequency 7
Frequency 7 selection and results.
8
Frequency 8
Frequency 8 selection and results.
Attrib Rule
NV
Name
Data Type
Description
Value
1
Get
NV
Revision
UINT
Revision level of this object. 1
Attrib Rule
NV
Name
Data
Type
Description
Semantics of
Value
1
Get/
Set
V
Is AGC
Enabled
BOOL
Automatic gain control
enabled. Attenuation
applied automatically
when enabled.
TRUE to enable
automatic gain
control. FALSE for
manual gain.
Default: TRUE
2
Get/
Set
V
Voltage
Attn
USINT
Voltage channel
attenuation for manual
gain control. Ignored
when AGC is enabled.
Value range: 0-
30dB.
Default: 0
3
Get/
Set
V
Current
Attn
USINT
Current channel
attenuation for manual
gain control. Ignored
when AGC is enabled.
Value range: 0-
30dB.
Default: 0
Service
Code
Class Instance
Service Name
Description of Service
14 (0x0E) Yes
Yes
Get_Attribute_Single
Returns the contents of the
specified attribute.
16 (0x10) No
Yes
Set_Attribute_Single
Modifies an attribute.
Instance
Name
Description
1
Attenuation
Single attenuation control object instance shared by
all operating modes.