Computer Weld GTFM IV, Руководство по эксплуатации и установке

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3.0 Operation
3.1 Firmware Version
The GTFM is supplied with a plug-in the wall transformer, which powers the GTFM
and will also charge the optional internal battery. Plug the transformer into a suitable
ac receptacle, and connect the power cable into the "POWER" jack located on the
bottom panel of the GTFM. Turn the power switch on the front panel "ON"
. The LED
display will sequentially display the following power up message.
1
ST
2
ND
3
RD
GTFM V#.#
0
Where: #.# is the firmware version number
Activate the gas solenoid for the welding torch. The GTFM will now display the gas
flow rate in CFH (Cubic Feet per Hour).
3.2 Limits
To program the High/Low limits and test parameters press the "Mode" switch (left
most toggle switch) to the up ("SET") position. The first programmable parameter will
appear on the display. The letter displayed on the left most part of the display
indicates the selected parameter. To select the next parameter, press the toggle
switch to the up (
"SET") position. To change any displayed value press the "MODE"
switch to the down ( "PGM") position. Each pressing of the switch will increment the
value by 1. To auto increment the value hold the "MODE" switch in the down
("PGM") position for 1.5 seconds and the GTFM will auto increment the value.
Release the switch to terminate the auto increment function.
NOTE: PRESSING THE TOGGLE SWITCH DOWN WHILE VIEWING THE ACCUMULATED
VOLUME PARAMETER ("U"), WILL RESET THE VALUE TO 0.
3.3 Parameters
The following programmable parameters will be displayed with each successive
press of the
"MODE" toggle switch to the up ( "SET") position:
Low limit for gas flow testing (cfh/lpm)
High limit for gas flow testing (cfh/lpm)
H###
L###
Delay time from start of gas flow to enable
testing of the high limit (.01 seconds)
D###
5