NF DP420LS Instruction Manual page 222

3. In the [Interface] item, select [GPIB].
4. In the [Address] item, set the address. [Terminator] is fixed to "LF".
5. Use a GPIB cable to connect this product to the computer. The connector is on the rear of this
product. Turn off this product and the computer before connecting or disconnecting the cable.
-------- Notes ------------------------------------------------------------------------------------------------------------
 Avoid use in a place under electrically noisy environment.
 Before connecting or disconnecting the connector, turn off the power to all devices on the bus.
 When using the GPIB, turn on the power to all devices on the bus.
 Ensure that the total cable length is within 20 meters.
 Ensure that the length of one cable is within 4 meters.
 Do not set the same address as the one used for any other device connected to the same bus.
Otherwise, the product cannot communicate properly.
 Binary transmission is not supported.
 Query for the main unit status byte using a serial poll is not supported.
-----------------------------------------------------------------------------------------------------------------------------
DP420LS/DP480LS
6.1 Communication Interface
203