Sony GY-2120WD Maintenance Manual page 377

V_LTCR (Software correction value) 4Byte
(IDR Time Code)
((((00 [h] x 60 [m/h] + 22 [m]) x 60 [s/m]) + 00 [s]) x 30 [fr] + 29 [fr]) x 2 [ID/fr]
=79258 [ID]
((((00 [h] x 60 [m/h] + 21 [m]) x 60 [s/m]) + 56 [s]) x 30 [fr] + 23 [fr]) x 2 [ID/fr]
=79006 [ID]
l_search_count 3Byte
RD06 (stepping) 1Byte
READ_TIME (TCG IC) 4Byte
C_CTL_COUNT 4Byte
(IDC Time Code)
420 [ID] _ 170 [ID] = 250 [ID]
It is moved by 250ID following CMD by IDC Counter (Counter using Reel FG)
normal_ltc_count 4Byte
CTL(TCG IC) 4Byte
422 [ID] _ 194[ID] = 228 [ID]
By moving 250 [ID] with the IDC counter, it is moved 228 [ID] at the CTL.
normal_ctl_count 4Byte
total_search_count 4Byte
Check is performed every 50 frames, to determine CTL, and LTC.
GY-2120WD/WS
HH:MM:SS:FF HH:MM:SS:FF
00:22:00:29 00:21:56:23
79258 [ID] 79006 [ID]
000001 000018
A8 (Reverse normal)
00:22:00:29 00:21:56:23
79258 [ID] 79006 [ID]
00:00:07:00 00:00:02:25
420 [ID] 170 [ID]
0x00000000 0x00000018
0 [Frame] = 0 [ID] 24 [Frame] = 48 [ID]
00:00:07:01 00:00:03:07
422 [ID] 194 [ID]
0x00000001 0x00000018
1 [Frame] = 2 [ID] 24 [Frame] = 48 [ID]
0x00000001 0x0000007E
1 [Frame] = 2 [ID] 126 [Frame] = 252 [ID]
6-3. Error Processing
6-153