Setting Up Setup1 (Voltage Input) - GRAPHTEC midi LOGGER GL350 Service Manual

4.2 Setting Up Setup1 (Voltage Input)

This procedure is required when any part of the AMP board is replaced
Preparation
• Have a voltage generator on hand that can output voltage up to 50 VDC (four-digit output).
• Mutually connect the ground terminals of the voltage generator and the GL450/400/350.
Wiring connection
Setup procedure
(1) As shown in the figure above, connect the output of the voltage generator to the GL400/350's input
terminal.
(2) Leave the GL450/400/350 turned on for at least
GL400-UM-251-9370
Connect both ends to GND
GND
AC adapter
Voltage generator
0.00000 V
FG
10 minutes.
4-2
4. SETUP PROCEDURES
Input cable
Connect to CH1