Sending Data; Cradle Self Test; Batteries - Symbol PDT 7500 Series Product Reference Manual

PDT 7500 Series Product Reference Guide for Windows

Sending Data

To begin communication:
1. Insert the terminal in the cradle.
2. As determined by your specific application, press the appropriate key(s) on the
terminal to initiate communication.
The cradle's Communications LED blinks yellow when communication begins.
Removing the terminal while the cradle's Communications LED is on or
flashing yellow disrupts communication between the host and the terminal.

Cradle Self Test

On power up, the cradles perform a self-test which checks the RAM and ROM. The
Communications LED flashes during the self-test. The Communications LED on the cradle
reveals the status as follows:
Communications LED Condition
Power up/Self-Test (7 flashes -> off)
LED flashing (8 flashes/second)
LED flashing slowly (4 flashes/second)
If the cradle fails self-test (RAM or ROM failure), power the cradle down and back up. If the
self-test fails again, call the Symbol Support Center for assistance.

Batteries

Primary power for the PDT 7500 is provided by a Lithium-Ion battery. Depending on the
model, the batteries operate for 5 to 11 hours in typical operating environments, although
battery life between charges varies drastically depending on conditions, equipment options,
and power demands.
9-10
Caution
Table 9-1. Cradle Power LED
®
CE
Status
No error in RAM or ROM
RAM test failure
ROM (CRC on flash) failure