Fluke DSX-600 Technical Reference Handbook page 29

PASS LED comes on when a test passes.

TEST LED flashes during a test.
FAIL LED comes on when a test fails.
TALK LED comes on when the talk function is on (
flashes until the main tester accepts the request to talk. See
"How to Use the Talk Function" on page 95.
TONE LED flashes and the tone generator comes on if you press
 when a main tester is not connected to the remote. See
"How to Use the Tone Generator" on page 94.
LOW BATTERY LED comes on when the battery is low. The LEDs
also have these functions:
 Battery gauge (see Figure 6 on page 17)
 Volume indicator for the TALK function
 Progress indicator for software updates
: Starts a test. Turns on the tone generator if a main tester is

not connected to the remote. See "How to Use the Tone
Generator" on page 94.
: Power key

: Press  to use the headset to speak to the person at

the other end of the link. See "How to Use the Talk Function" on
page 95.
Connector for the AC adapter. The LED is red when the battery

charges, and green when the battery is fully charged. The LED is
yellow if the battery will not charge. See "Charge the Battery"
on page 16.
Micro-AB USB port: This USB port lets you connect the tester to a

PC so you can upload test results to the PC.
Headset jack. See "How to Use the Talk Function" on page 95.

Chapter 1: Get Acquainted
Connectors, Keys, and LEDs
). The LED

11