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Remote Model 7706 temperature calibration
1. Connect the Model 7706 to the 7798-250B Calibration/Extender Board.
2. With the power off, install the Model 7706/7798 combination in Slot 1, and select the rear inputs with the INPUTS switch.
3. Press in and hold the Model 2700 OPEN key while turning on the power.
4. Allow five minutes for thermal equilibrium.
5. Accurately measure and record the cold temperature of the Model 7706 card surface at the center of the card.
6. Turn on the Model 2700 power.
7. Unlock calibration by sending:
:DIAG:KEIT:CAL:UNLOCK
8. Enable calibration by sending the :CODE command. For example, the default command is:
:CAL:PROT:CODE 'KI002700'
9. Initiate calibration by sending the following command:
:CAL:PROT:CARD1:INIT
10. Calibrate temperature on the Model 7706 with the following command:
:CAL:PROT:CARD1:STEP0 <temp>
Here <temp> is the cold calibration temperature measured in step 4.
11. Send the following commands to save calibration, and lock out calibration:
:CAL:PROT:CARD1:SAVE
:CAL:PROT:CARD1:LOCK
Front panel Model 7706 analog output (DAC) calibration
1. Connect the Model 7706 CH23 and 24 to CH1 and 2 (use
• Connect CH23 H and L terminals to CH1 H and L terminals (H to H; L to L).
• Connect CH24 H and L terminals to CH2 H and L terminals (H to H; L to L).
2. With the power off, install the Model 7706 in Slot 1, and select the rear inputs with the INPUTS switch.
3. Press in and hold the Model 2700 OPEN key while turning on the power.
4. Allow unit to warm up for two hours before proceeding.
5. Press the SHIFT key and then the TEST key.
6. Select TEST:CALIB using the up or down range keys.
7. Press the ENTER key, select RUN, and enter the appropriate calibration code (default: 002700).
8. Using the up or down range key, select CARD at the CAL:RUN prompt, then press ENTER.
9. Using the up or down range key, select DAC at the next CARD prompt, then press ENTER to complete Model 7706 DAC
calibration.
the same connection setup as in
Calibration
Figure 24
:
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