Unfortunately i have never used the DISEqC functions on the Unaohm EP314 so i will not be able to offer any advice...
I have the manual for the meter if that is any help to you...could send you the relevant section if you wish..
DISEqC Module on EP314
The DISEqC module adds to the EP314 peripheral drive in conformity with the DISEqC 1.1 standard.The trasmission of repeated commands is not allowed.
How to enable/disable DISEqC 22kHz note
1.Press the key DSQ/22k
2.Use the multifunction keys UP or DOWN to position the cursor in correspondence with the 22kHz reading.
3.Press SSQ/22k to alternatively enable/disable the tone.The presence of the signal is indicated on the OSD dsiplay.
4.Once the function has been performed,the EP314 returns to normal operating mode.
Transmission of a DISEqC command
1.Press the key DSQ/22k.
2.Use the multifunction keys UP or DOWN to position the cursor in correspondence with the DISEqC reading;this is followed by the name of the last cmmand transmitted.
3.Press DSQ/22k to transmit the same command.
4.Once the function has been performed the EP314 returns to normal operating mode.
At the previous point 3,to transmit a command different from the one proposed,proceed as as follows:
1.Press the multifunction key SELECT
2.Select the command to be transmitted by means of the multifunction keys UP and DOWN.
3.Press DSQ/22k or BACK to return to menu,which will have been up-dated to include the new command.
4.Press DSQ/22k to transmit it.