![](/images/new-backgrounds/1210828/210828141x1.webp)
3. DSC OPERATION FOR
Cancel call: Press the CANCEL key to return to the standby display.
3.7.2Receiving a polling call
Automatic reply
1.When a polling request is received and the equipment is set up for automatic acknowledge POLLING on the AUTO ACK menu is ON and the ACK key is set to show AUTO ACK on the display, the display changes as shown in the illustration below and the audio alarm sounds.
Polling auto ack transmitted.
ROUTINE
TCmd1 : POLLING
TCmd2 : NO INFO
CANCEL ALARM
2.Press the CANCEL or ENT key to silence the alarm. The display changes as below.
**Send Message **
POLLING ACK
TO : 123456789
ROUTINE
TCmd1 : POLLING
TCmd2 : NO INFO