Repair manual

CTB and CTBR
4-5
SOLID STATE DIGITAL CONTROL
FIGURE 20
SECOND LEVEL PROGRAMMING
(BEFORE 8/01/2001)
To Initiate Programming
1. Set the time to 1 minute (0:01 or 01:00).
2. Set the temperature to 151_F (66_C).
To Access Second Level Programming
1. Press and hold the temperature key and the
start/stop key simultaneously.
2. The control beeps and displays the software
version for a few seconds.
3. The control then displays 2NdL. The control
has entered the second level program.
To Change the Temperature Offset
1. Press the temperature key.
2. The control displays OFFS or offset for a few
seconds. It then displays the current offset
which should be 0_F.
3. Rotate the dial to enter a  50_F (28_C) offset.
Use this to calibrate the oven if necessary.
To Set the Display Scales
1. Press the temperature key.
2. The control displays the current setting from
the following menu. See FIGURE 21. This
menu controls 3 separate parameters:
A.) First Digit - the desired time display (ie
hrs/min or min/sec)
B.) Second Digit - Electric or Gas oven
C.) Third and Fourth Digit - the desired temĆ
perature scale (ie _F or _C)
3. To adjust the setting turn the dial 1 click at a
time.
NOTE: If the control is set for minutes and seconds
the first digit will be blank. If the control is set
for a gas oven the second digit will be blank.
To Return to Normal Operating Mode
1. Press the temperature key.
2. The control goes through self check then disĆ
plays the set temperature 151_F (66_C).
3. The oven can now be controlled as normal.