Global Specialties 1310 - Manual (Page 8)

SECTION - 3
OPERATING INSTRUCTION
3.1 LOCATION & DESCRIPTION OF OPERATING CONTROLS :
The properly use the full capabilities of the 1310, it is highly
recommended that the user become familiar with the instrument's
controls and their function ( See figure 1 ).
1 - Power ON / OFF Switch :
Rocker Switch. The digital display will light to indicate power is on.
2 - A Adjust Control :
Adjust the output voltage of a supply from 1.3 to 20 volts. Clockwise
rotation increases the voltage.
3 - B Adjust Control :
Adjust the output voltage of the B supply from 1.3 to 20 volts.
Clockwise rotation increases the vltage.
4 - A/B Meter Switch :
When switched to A, the digital display will show the output, either
voltage or current (as selected by the VOLT / AMP METER Switch,q.v.),
of the A Supply. Similarly, when switched to B, the output of the B
supply will be displayed.
5 - Volt / Amp Meter Switch :
When switched to V, the display will indicate the voltage output of
the supply selected by the A/B Meter Swith. When switched to A, the
current output of the selected supply will be displayed.
6 - Display :
Three digit LED display shows the output current or voltage of the
A or B supply, depending on the settings of the Volt / Amp Meter
switch and A/B Meter Switch.
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27) Set the VOLT / AMP METER SWITCH to the A position and adjust trimpot
R25 until the 1310 display reads 250.
28) Set the A / B METER SWITCH to the B position and adjust trimpot R12
until the display once again reads 250.
29) Turn power off, disconnect all equipment, and reassemble the 1310
as outlined under the CASE REASSEMBLY section of this manual.
6.3 CASE DISASSEMBLY :
Figure 7 : Case Assembly
Should access to the inside of the unit be required, refer to figure 7 and
proceed as follows:
1. Disconnect all cables and equipment from the front panel binding
posts of the 1310.
2. Disconnect the power cord from the AC outlet.
3. Turn the 1310 upside-down on a soft or padded surface.
4. Remove the stick-on rubber feet from the foot assemblies. Place them
aside, non-sticky side down.
5. Remove the Philips-head screw from each of the four foot asemblies.
6. Remove the foot assemblies and the flip-up leg.
7. Gently slide the lower half of the case straight upward until it is clear of
the unit. The PC board will now be visible.
8. If necessary, the PC board can be taken out of the upper case half in
the following manner :
a) Remove the self-tapping screw from the center of the PC board.
b) Remove the four hex standoffs that hold the PC board to the
upper case half.
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