Specifications

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When the clock time matches an event time and that day is set to “ON” or “A”, the CTG-1 will output the corresponding sin-
gle, double or triple bong or buzzer alert tone. The CTG-1 will also open terminals 3 and 4 (normally closed) and close ter-
minals 4 and 5 (normally open), allowing the capability of switching out the audio from the phone system and switching in
the alert tone from the CTG-1. Similarly, while a contact closure is made shorting pins 9, 10 or 11 to pin 12, the CTG-1 will
output the corresponding sound (doorbell, evacuation signal or emergency siren). In the case of the siren or evacuation
signal, terminals 3 and 4 will open, and terminals 4 and 5 will close and the sound will continue for the duration of the con-
tact closure input. Terminals 3, 4 and 5 will return to their normal states at the end of each doorbell tone.
Note: Terminals 6, 7 and 8 will operate the same as terminals 3, 4 and 5 but are electronically isolated from terminals 3, 4
and 5 for switching a separate device.
IMPORTANT: While operating, the CTG-1 continuously checks the event time information stored in memory. If a problem
is detected, the CTG-1 displays “EEE” to indicate an error. Normal clock function continues in the background. To clear
the error, press any button and the CTG-1 will return to normal operation. If the “EEE” display persists, contact Viking
Technical Support at 715-386-8666.
J. DIP Switch and Shunt Settings
Internal View of the CTG-1
12
ON
ON
OFF
60 Hz
(installed)
50 Hz
(removed)
Turn DIP switch 1 OFF. Unplug the CTG-1 from power. Pause a few seconds and then plug the CTG-1 back in. Push
the CANCEL and SINGLE buttons at the same time and release them. Repeat, and after releasing the buttons the sec-
ond time a long beep will be heard indicating that the CTG-1’s memory has been cleared. Turn DIP switch 1 back ON
to enable battery backup.
Note: After completing this procedure, it will be necessary to reset the clock time (see Programming section A), and
if enabled, the day of the week (see Programming section B) and alert tones on/off (see Programming section C).
I. Clearing the Alert Tone Memory
Switch Position Description
1 OFF Battery backup disabled
1 ON Battery backup enabled
2 OFF Bong alert tones (factory setting)
2 ON Buzzer alert tones
Shunt Position Description
Installed 60 Hz power line frequency (factory setting)
Removed 50 Hz power line frequency
When finished programming, press the MODE button until the LOCK indicator lights. In the lock mode, the time and
alert tone keys will be disabled and the current time will be displayed with the colon flashing once per second.
H. Locking the CTG-1 for Operation
6
Unplug the CTG-1 from power and turn DIP switch 1 OFF. Remove the shunt as shown in the diagram above to change
from 60 Hz to 50 Hz, or replace it to change from 50 Hz operation to 60 Hz. Power the CTG-1 back up and turn DIP
switch 1 ON. Set the CTG-1 to the current time.
K. Changing the Power Line Frequency Setting