User's Manual

Screen Service SDT ARK 1 ECHO Operations
Jan, 2012 v 1.ATSC_FCC Page 3 - 128
Table 20.
Bit-to-alarm association map
Alarm
Bit
Alarm
Bit
Up converter Osc. Unlock
0
Signal 10 MHz Lock
16
PS Voltage out range
1
Signal 146 MHz Lock
17
PS Current out of range
2
Signal 960 MHz Lock
18
Absolute Power Limiter
3
Down Converter Osc. Unlock
19
Up converter communication error
4
No RF Input
20
Temperature High Alarm
5
RF Input Squelch
21
Temperature Level-3dB
6
RF Digital Ber. Alarm
22
Temperature High Warning
7
File System Error
23
Forward Power High
8
Bad File in File system
24
Forward Power Low Warning
9
1PPS Lock
25
Forward Power Low Alarm
10
PPS Phase
26
Reflex Power High
11
System Delay
27
Fan Speed
12
No MIP
28
S/N Level
13
No Input
29
GPS Lock
14
FPGA Boot alarm
30
GPS Communication Error
15
Warm Up
31
E.g. if you want to enable the No MIP and No Input alarms of a generic alarm mask, set the
decimal value of 805,306,368 that corresponds to a binary value of
0011 0000 0000 0000 0000 0000 0000 0000.