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12
4.2 Rear Panel
F series model
Figure 4-3 Rear panel
Table 4-3 Rear panel description
No. Description
1 Tamper button.
2
Volume adjusting button. Use the screwdriver to adjust the volume of the
talk. Rotate the button clockwise to turn down the volume.
3
The upper port is used to upgrade ISP. The lower port is used to upgrade
MCU system.
4 DIP Switch.
5 Door lock port.
6 Power output, RS-485 port and alarm output.
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