User's Manual

38
5. Operation
5.1. Idle Mode
When the system is in Idle Mode, CTC-1052-
QT-DT35A is ready to execute the following
functions:
5.1.1. Answering Incoming Phone Calls
This function is only available when Command
#31 is set as ON (factory default is OFF).
 For an Incoming telephone call, CTC-1052-
QT-DT35A will emit cycles of 2 quick
beeps.
 User can answer the call either by pressing
the Active button of WTR, PB, or Fall
Sensor or the Help Button on CTC-1052-
QT-DT35A. Once CTC-1052-QT-DT35A
answers the call, it will open a Two-Way
Voice Communication.
 You can use the following DTMF
commands to change the
communication type:
DTMF (1) to TALK ONLY
Enter DTMF (2) to open TWO-WAY
VOICE COMMUNICATION
Enter DTMF (3) to LISTEN-IN ONLY
 Enter (7) to Speaker Volume Control
and then press (6) or (4) to increase
or decrease the levels of speaker
volume in the “Two-Way”
communication mode(not in TALK
ONLY mode).
 Enter (8) to Microphone Sensitivity
Control and then press (6) or (4) to
increase or decrease the levels of
microphone sensitivity in the “Two-
Way” communication mode.
 If the speaker volume and microphone
sensitivity was adjusted, the adjusted
value will be kept for the next
communication.
 To hang-up, press either the Active
button of WTR, PB, or Fall Sensor, or
the Reset Button on CTC-1052-QT-
DT35A.
 To hang-up as the caller, he/she can
press DTMF 9 or just put the handset
back into the base cradle.
 30 minutes is allowed for each call.
Auto-Answer Numbers
The Control Panel can program up to 20 Auto-
Answer Numbers. If a user calls the Control
Panel using an auto-answer number, the Control
Panel will pick up the call and instantly open up
a two-way communication with the caller.
The Control Panel will auto-answer calls from
the auto-answer numbers and are unaffected by
Command #31. Please refer to Command #00,
on how to program these numbers.
5.1.2. AC Power Check Up
 If the AC Power failure is detected for 10
seconds or longer, the GREEN LED starts
to flash as a visual warning to the user and
voice prompt “Power failure, check power
cord.” 4G/LTE module will be turned off to
conserve power. Remote Programming will
thus become unavailable. 4G/LTE module
will only be turned on when activated from
the Control Panel side.
 When AC Power resumes, the GREEN
LED will turn on again, and will voice
prompt “Power restored.”
 If the AC Power failure lasts for an hour,
CTC-1052-QT-DT35A will send an AC
Failure report to the Monitoring Center.
 After the Power restoration lasts more than
one hour, CTC-1052-QT-DT35A will report
AC Restore to the Monitoring Center.
 During the AC Power failure period, the
Call-Back function is automatically
disabled.
5.1.3. CTC-1052-QT-DT35A Low Battery
 CTC-1052-QT-DT35A continuously checks
its own Battery Condition 30 minutes after
powering up.
 When the low battery condition lasts for 4 -
6 mins, CTC-1052-QT-DT35A will report to
the Monitoring Center and the GREEN LED
will flash slowly.
 After the battery voltage is restored and
lasts for 12 hours, CTC-1052-QT-DT35A
will send Battery Restore report to
Monitoring Center and the GREEN LED
returns to steady ON.
5.1.4. CTC-1052-QT-DT35A Battery
Disconnection
 CTC-1052-QT-DT35A can detect the