User Manual
“Master” Switch 1 = ON “Slave” Switch 1 = OFF
The Slave timer acts as a client sending keystroke 
commands to control the Master and displaying the 
time remaining. All the time processing is done in 
the Master.
60-feet. Bluetooth devices need to “find” one 
another before communicating. This process is 
called “pairing.” To pair signal light receiver(s) with 
a timer, keep the devices close (< 30-feet) until the 
yellow Connection LED turns green. This indicates 
that the devices are communicating.
Global settings are common to all programs. They are made on the 12-position DIP switch 
on the rear of the timer console. The default settings (shown) are suitable for most uses.
1. Master / Slave. 
When two or more timers are connected to one or 
more signal lights, set one timer as master [ON] 
and the other(s) as slave [OFF]. When only one 
timer is used, it must be a master (default setting).  
2. Counting Program 4 (Session) 
Minutes:Seconds (ON); Hours:Minutes (OFF)
When using Program 4 to time a program over 
several hours, set to Hours:Minutes (OFF). 
3. Counting Program 1, 2 or 3 
Minutes:Seconds (ON) Hours:Minutes (OFF)
4. Count direction
Count-Down [ON] or Count-Up [(OFF].
If Count-Up, Time Remaining display shows 
elapsed time, else Time Remaining.
5. Count Behavior
Continue after zero [ON] else, stop display at zero. 
Note, in OFF mode, clock continues to run and red 
light stays on until user presses “Stop.”
9. Time Settings Permission
Allow time changes while clock is running [ON].
10. Block Transmitter [ON]
Model PRO-2000BT offers wireless transmission to 
the remote signal light. Set to “OFF” when using a 
wireless connection. 
6. Sound Volume
High (ON)  Low (OFF)
on
1 2 3 4 5 6 7 8 9 1112
#
Wireless Operation
*An empty sound. “Beep” 
pressed on the timer 
outputs a cue to activate a 
sound at a signal light that 
is set for an audible sound. 
7.+ 8. Sound Selection
7. ON  8. ON  None* 
7. OFF  8. ON  Buzz
7. ON  8. OFF  Ring
7. OFF  8. OFF  Chime
Default settings
11 + 12. Wireless Channels (PRO-2000BT)
PRO-2000BT is equipped with an integrated 
Bluetooth  transceiver. It can communicate with up ®
to 6 Bluetooth signal light receivers (TR-2000BT) or 
other PRO-2000BT timers on 
four different channels. This 
allows multiple timer-signal 
light networks to operate in 
proximity. Match receiver 
channel (rotary switch) with 
timer channel (DIP switches 11 
+ 12) as shown. Note: 
Receiver channels 0,4,5,6 not used. The effective 
distance for wireless communications is about
Bluetooth
Connection LED
Global Settings





