GE CTR 80 manual Serial Interface Parameters, Cooling

9 Controller Operation

LLLow Limit parameter

Press “SET” to enable adjustment of LL.

LLFlashes “ ” and then displays the setting

L=-90Current LL setting

Adjust the LL parameter using “UP” or “DOWN”.

Press “SET” to accept the new temperature limit.

9.9.3Cooling

This menu function allows the operator to disable cooling and corresponds to the remote cooling control function (see Table 3). Switching the cooling off temporarily allows the bath to heat up more quickly from a low temperature. Cooling can be manually switched off using the cooling switch on the front panel or automatically switched off any time the bath temperature or set-point is higher than about 35°C. As a result, cooling is ON only if the cooling func- tion is ON, the cooling switch is ON, and both the bath temperature and the set-point are less than about 35°C. The cooling function is indicated by,

CooL=OFF Current cooling setting

The setting may be changed using “UP” or “DOWN” and pressing “SET”.

CooL=On New cooling setting

9.10Serial Interface Parameters

The serial RS-232 interface parameters menu is indicated by,

The serial interface parameters menu contains parameters which determine the operation of the serial interface. These controls only apply to instruments fitted with the serial interface. The parameters in the menu are — BAUD rate, sample period, duplex mode, and linefeed. Press “UP” to enter the menu.

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