Digi SM-300 - Data Transfer to FL-1 or PCFL-1

SM-300 Service Manual
41
4.2.5 Voltage Checkpoint
There are several voltage checkpoints on the PCB boards. Below are some reference voltages points that are
commonly use.
VOLTAGE POINT
VOLTAGE
PURPOSE
V
CC
5.0 V Provide voltage for most of the IC
V
TH
24 V Provide voltage mainly to the thermal head
V
BB (Off-state)
2.5 V Provide backup voltage for the RAM IC when power is off
V
BB (On-state)
4.5 V Provide backup voltage for the RAM IC when power is on
The tolerance of all the voltage is about ± 5% except V
TH
is +2% and -5%.
Figure 4.2.5 Voltage Checkpoint
4.3 Memory Clear
4.3.1 Clearing Data Files
KEY TO PRESS OPERATION
Go to Z mode.
TO CLEAR DAILY TRANS
PRESS PRINT KEY
KEY TO PRESS OPERATION
Access code to files clear.
TO CLEAR DAILY TRANS
PRESS PRINT KEY