Testing the Display, Backlight Test, Keypad Test

114, 115, 116, and 117 Calibration Information

Table 2. Required Equipment (cont)

Recommended Equipment	Measurement Function	Accuracy

5500A Multi-product Calibrator (or	Frequency (115, 116, and 117)	2 V, 50 kHz
equivalent)		±0.025 %

Fluke 80 AK	Temperature (116)
K-type Thermocouple Adapter Accessory

K-type Thermocouple, mini-plug on both	Temperature (116)
ends

Double Banana plug	VoltAlert (117)

Testing the Display

Push K and turn the rotary switch to the e position. Compare the display with the example in Figure 3. Check all segments for clarity and contrast.

erc022f.emf

Figure 3. Display Segments

Backlight Test

To Test the Backlight, press the Q button and verify that the backlight comes on.

Keypad Test

To test the keypad, turn the Meter to ACV and push each button separately. Each button push should cause the Meter to beep and activate a display annunciator.

Reset the Meter by turning it Off and then back to an On position.

Preparing for the Performance Tests

XWWarning

To avoid possible electric shock or personal injury:

•Do not perform the following procedures unless qualified to do so. Some procedures involve the use of high voltages.

•Before handling the test connections and in between tests, make sure the calibrator is in standby mode (STBY).

To prepare for the performance test:

1. Make sure that you have the required equipment (refer to Table 2).