Instructions
Table Of Contents
- 1620A “DewK” Thermo-Hygrometer
- 1 Before You Start
- 2 Introduction
- 3 Specifications and EnvironmentalConditions
- 4 Quick Start
- 5 Parts and Controls
- 6 General Operation
- 7 Menu Functions
- 8 Digital Communications Interface
- 9 Calibration Procedure
- 10 Maintenance
- 11 Troubleshooting
- Index

The response is either C for Celsius or F for Fahrenheit.
8.2.7.10 UNIT:TEMPerature <unit>
Sets the system temperature unit.
Example: UNIT:TEMP C
The <unit> parameter must be either C or CEL for Celsius or F or FAR for
Fahrenheit. The *RST command sets the temperature unit to Celsius.
8.2.8 Communication Interface Commands
The communication interface commands are used for querying and setting se
-
rial RS-232 settings, RF wireless settings, and LAN settings.
8.2.8.1 SYSTem:COMMunicate:RADio:CHANnel?
Returns the RF transceiver channel number.
8.2.8.2 SYSTem:COMMunicate:RADio:CHANnel <num>
Sets the RF transceiver channel number applied when the RF transceiver is sub-
sequently enabled or reset. The channel number <num> has the range 12 to 24.
8.2.8.3 SYSTem:COMMunicate:RADio:ENABle?
Returns the RF transceiver enable state, 0 (off) or 1 (on).
8.2.8.4 SYSTem:COMMunicate:RADio:ENABle <bool>
Sets the RF transceiver enable state, 0 (off) or 1 (on or reset). Enabling or reset-
ting the RF transceiver applies current RF settings. This operation may take
several seconds to complete.
8.2.8.5 SYSTem:COMMunicate:RADio:INSTrument?
Returns the RF transceiver instrument address.
8.2.8.6 SYSTem:COMMunicate:RADio:INSTrument <num>
Sets the RF transceiver instrument address applied when the RF transceiver is
subsequently enabled or reset. The address <num> has the range 0 to 65535.
8.2.8.7 SYSTem:COMMunicate:RADio:MODem?
Returns the RF modem address.
8.2.8.8 SYSTem:COMMunicate:RADio:MODem <num>
Sets the RF modem address applied when the RF transceiver is subsequently
enabled or reset. The address <num> has the range 0 to 65535.
1620A “DewK” Thermo-hygrometer
User’s Guide
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