disturb)
remains off. Only VTH1500A has DND indicator.
Chart 1- 2
1.4 Port
For different 7”analog VTHs, their port locations may vary, but the function of ports with
same label is identical. Please subject to actual product.
The device interface is shown as follows, please see Figure 1- 9 and Figure 1- 10.
Figure 1- 9
Please see Chart 1- 3.
