JRC JFE-400 Instruction Manual page 97

had determined for the corresponding indicator value. If the equipment had no brightness or
dimming preset capability this field would be ignored.
2) The brightness percentage field contains a value from zero to ninety nine. The value zero,
provided as 00, indicates that the display's brightness should be set to its most dimmed
level, as determined by the capabilities of the equipment. The value ninety nine, provided as
99, indicates that the display brightness should be set to the brightest level, as determined
by the capabilities of the equipment. Values between 0 and 99 correspond to some
percentage of brightness, as determined by the equipment receiving this sentence.
3) The color palette preset field contains an indicator that may be associated with a preset
dimmed level on an electronic device.
D = Day time setting
K = Dusk setting
N = Night time setting
O = Backlighting off setting
4) This field is used to indicate a sentence that is a status report of current settings or a
configuration command changing settings. This field should not be null.
R = Sentence is a status report of current settings (use for a reply to a query).
C = Sentence is a configuration command to change settings. A sentence without "C" is
not a command.
13) SRP-System function ID resolution protocol
¥s:ccxxxx*hh¥$--SRP,x,hhhhhhhhhhhh,c--c*hh<CR><LF>
1
1: SFI of the transmitter 1)
2: Instance number of redundant alternative 2)
3: MAC address 3)
4: IP address 4)
Note;
1) Reported SFI of the transmitter
2) Instance number for interface redundancy (i.e. number of physical port for identical SFI),
null if interface redundancy not in use. The instance numbers shall be ordinal with no
skipping (1, 2, 3,...).
3) Reported MAC address used by SFI, 48bit hexadecimal number, for example
32613C4EB605
4) Reported IP address used by SFI as text string, for example 239.192.0.1
3 Input Data Format
1) HBT – Heartbeat supervision sentence
$--HBT,x.x,A,x*hh<CR><LF>
1 2 3
1: Configured repeat interval 1)
2: Equipment status 2)
3: Sequential sentence identifier 3)
Note;
1) Configured autonomous repeat interval in seconds. This field should be set to NULL in
response to a query if the query response feature is supported.
2) Equipment in normal operation A = yes, V = no
2 3 4
10-11
10.Appendix