Key Lock; Rs-232 Protocol; Trouble Shooting - Holars AVC720 User Manual

KEY LOCK

For added security, you can "Lock" all buttons on your DVR. Locking disables the buttons and prevents other people from
using the system.
Press ENTER and MENU at the same time to enable Key Lock.
Press ENTER and MENU at the same time to disable Key Lock.
RS-232 REMOTE PROTOCOL
You can use the PC keyboard to simulate DVR keypad.
DATA : REMOTE PROTOCOL using 8 bit data、 1 start bit、 1stop bit
FUNCTION CODE ASCII FUNCTION CODE AS CII
MENU 0x4D
ENTER 0x0D
Search 0x48
Slow 0x53
Up / Pause 0x55

TROUBLE SHOOTING

When malfunction occurs with DVR, it may be not serious and can be corrected easily. The table below describes some
typical problems and their solutions. Please check them before calling your DVR dealer.
PROBLEM
HDD Not Found
No power
Not working when
press any button
No recorded video
Timer Record enable
does not working
No live video
M Down / Stop
ENTER Left / F.F.
H Right / F.R.
S
U RECORD
SOLUTION
l
Please Insert HDD
l
Please use the Key to lock the HDD Cartridge
And press any key
l
Check power cord connections.
l
Confirm that there is power at the outlet.
l
Check if it is under Key Lock mode.
l
Press " MENU" & " ENTER" to exist Key Lock mode.
l
Check if the HDD is installed properly.
l
Check if the Record Enable is set to YES
l
Check camera video cable and connections.
l
Check monitor video cable and connections.
l
Confirm that the camera has power.
l
Check camera lens setting.
0x4E
0x4C
0x52
PLAY 0x50
0x72
15
DVR
N
L
R
P
r