How to schedule messages and tones | TU-8A

What is the TU-8A?

The Clever Little Box TU-8A is an 8 channel Digital Timer device designed to provide programmed weekly event switching of eight independent relay outputs. Controlling devices such as Bell timing, class change signal generators, shift start/stop tone generators and more. The TU-8A provides normal open or normal closed relay contacts to each of its eight relay outputs and support switching of up to 64 events per day - 32 on and 32 off.

What applications is the TU-8A best for?

The TU-8A is ideal for: education industry and retail applications where the schedule broadcast of tones, messages, alarms or recorded audio files is required on an ongoing repetitious basis.

Using the TU-8A for scheduled class change and audio messaging?

The TU-8A is ideal for use in conjunction with its partner product the Clever Little Box LB-8A digital audio storage unit to provide scheduled tones, alarms and pre-recorded audio for applications such as class change, shift change and audio messaging or audio advertising.

Suggested system architecture:

What are the TU-8A features?

• 7-day week event switching timer
• 8 independent relay outputs
• Normal Open (NO) or Normal Closed (NC) relay contacts
• Supports up to 64 scheduled events per day (32 On and 32 Off)
• Event manual override facility
• Daylight saving time compensation
• Clock tuning facility for time accuracy adjustment
• Easy access phoenix connectors per relay output and power connectivity
• Compact, robust steel case / Surface or rack mountable
• Clear blue LCD display screen
• 12v DC powered (plugtop PSU supplied with product)
• Onboard memory maintains time and program settings for approx. 7 days in event of power loss