
19
CHAPTER 3
OPERATION
INTRODUCTION
This chapter describes how to operate the LDM-1. An explanation of each
LED indicator and use of the Select Mode pushbutton switch are also pro-
vided. Normal operation and the three test modes are described.
INDICATORS AND CONTROLS
LEDS
The front panel of each LDM-1 includes a set of eight, multi-colored LED
indicators. The location of each LED and the Select Mode pushbutton switch
is depicted in Figure 1 on page 6. The operational mode and signal status of
the modem is conveyed via the LEDs. A description of each LED is listed in
Table 3 on page 20.
Comentarios a estos manuales