Keithley 2306 User Manual

14-18 Calibration
Resetting the calibration code
If you forget the calibration code, you can unlock calibration and reset the code as outlined
below. Refer to Section 15 for more detailed disassembly instructions.
WARNING Hazardous voltages are present inside
the unit. Use caution to avoid electric
shock, which could cause personal injury or death.
1. Remove the rear bezel.
2. Remove the six screws that secure the cover then remove the cover.
3. Locate J1013 on the front panel display board.
4. Momentarily short pins 3 a
nd 7 of J1013 (refer to Figure 14-4). The instrument will
briefly display the following message:
CAL CODE UNLOCK
DO FP CAL TO SEE
5. Go to the CALIBRATE UNIT selection in the main menu then press ENTER.
6. Go to RUN then press ENTER. The display will show:
CALIBRATE UNIT
New Code:
7. Either enter the desired code, then press ENTER, or simply press ENTER to keep the
previously set calibration code.
8. Turn off the power then install the cover and rear bezel.
J1013
Pin 7
Pin 3
Momentarily short
pins 3 and 7 to
reset calibration code.
F
igure
1
4-4
J
umper connections
to reset calibration
code
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
TestEquipmentDepot.com

Keithley 2306 Specifications

General

Brand	Keithley
Model	2306
Category	Power Supply
Language	English