User Manual

RS232 Download Software (38SW) See Figure -14-

The 38XR-A includes an RS232 IR communication port for downloading

measurement data (value, function, and range) to a PC. The 38SW Accessory Kit

(software and cable) povides a graphical user interface for the PC to collect, store,

and display measurement data.

Backlight

Pressing the m button illuminates the display with a blue backlight. Pressing the

m button again will turn off the backlight. When turned on the backlight will

automatically turn off in about 60 seconds. Frequent use of the backlight will

noticeably decrease battery life.

Product Maintenance

Cleaning

To clean the meter, use a soft cloth moistened with water. To avoid damage to the

plastic components do not use benzene, alcohol, acetone, ether, paint thinner,

lacquer thinner, ketone or other solvents to clean the meter.

Troubleshooting

If the meter appears to operate improperly, check the following items first.

1. Review the operating instructions to ensure the meter is being used properly.

2. Inspect and test the continuity of the test leads.

3. Make sure the battery is in good condition. The low battery symbol B appears

when the battery falls below the level where accuracy is guaranteed. Replace a

low-battery immediately.

4. Check the condition of the fuses if the current ranges operate incorrectly.

Battery and Fuse Replacement See Figure -15-

XWWARNING

To avoid electrical shock remove the test leads from both the

meter and the test circuit before accessing the battery or the

fuses.

To access the battery and the mA fuse remove the two screws holding the

Battery/Fuse Cover in place, and lift the cover from the meter.

To replace the mA fuse, pry it from its clips using a small screwdriver. A spare mA

fuse is located between the battery and the mA fuse.

mA Fuse: Fast Blow .5A/1000V, minimum interrupt rating 30 kA

(6.3 x 32 mm) (Amprobe

FP500)

To replace the 10 A fuse: 1) Remove the battery. 2) Remove the four rear-case

screws. 3) Separate the case. 4) Remove the 10 A fuse cover. 5) Remove and

replace the 10A fuse. 6) Re-install the fuse cover. 7) Reassemble the meter.

10A Fuse: Fast Blow 10A/1000V, minimum interrupt rating 30 kA

(10 x 38 mm) (Amprobe

FP100).