Troubleshooting; Technical Specifications - GEM PTZ722 Installation And Operation Manual

10. Troubleshooting

Problem
No video
No telemetry control

11. Technical Specifications

Name
Backlight
Baud Rate
Protocols
Housing
Joystick
LCD screen
Pattern Record
Operating Temperature
Power Rating
Power Supply
Power connection
Dimensions
All specifications are approximate. Kovert.com reserves the
right to change any product specification or features
without notice. Whilst every effort is made to ensure that
these instructions are complete and accurate, kovert.com
cannot be held responsible in any way for any losses, no
matter how they arise, from errors or omissions in these
instructions, or the performance or non-performance of the
camera or other equipment that these instructions refer to.
Possible Cause
No power supply
1. Incorrect protocol
2. Incorrect baud rate
3. Incorrect address
4. RS485 connection
5. RS485 cable
Function
Yes
2400, 4800, 9600, 19200 bps
PELCOD / PELCOP / SAE / SONIC1 / SONIC2 / SAMSUNG / RULE / B01 /
DAHUA / HIK / VISCA
Metal with anodised finish in grey
4D (3D plus button for continuous scan)
5" colour display (allows up to three individual channel displays)
Using function buttons can record and playback patterns
-10ᵒC ~ +70ᵒC
12vDV 500mA
12vDC 1A
2.1mm DC Socket
239 x 190 x 100mm
17
Possible Solution
1. Check power connection
2. Check 12vDC power supply
3. Check video connection
Protocol and baud rate must be
matched in keyboard and dome.
Correct address must be called.
Incorrect polarity connections
Test for continuity