Operation
Range Menu
Thermo Electron Corporation Model 48i Instruction Manual 3-9
Single Range Mode In the single range mode, there is one range, one averaging time, and one
span coefficient.
By default, the two CO analog outputs are arranged on the rear panel
connector as shown in Figure 3-4. See Table 3-2 for channels and pin
connections. Single range mode may be selected from the
“Single/Dual/Auto Select” in the “Service Menu”, later in this chapter.
Figure 3-4. Pin-Out of Rear Panel Connector in Single Range Mode
Table 3-2. Default Analog Outputs in Single Range Mode
Note All channels are user definable. If any customization has been made to
the analog output configuration, the default selections may not apply.
Channel Pin Description
1 14 CO Analog Output
2 33 CO Analog Output
3 15 None
4 34 None
5 17 None
6 26 None
Ground 16, 18, 19, 35, 37 Signal Ground