2 Getting Started
22 N9342C/43C/44C User’s Guide
Timed Power On/Off 
Pressing  [System] > {Power On/Off Preset} > {Timed Pwr 
On} or  {Timed Pwr Off} sets the time switch to power 
on/off the N934xC in a user- defined time and date. 
This function requires the power supply to be 
connected or charged battery installed.
Press  {Repeat Mode Once/Everyday} to set the N934xC 
boot up/off in the pre- saved time everyday. The 
pre- saved date is invalid in this mode.
IP configuration
The N934xC supports LAN port connection for 
data transfer. Press [System] > {Port Setting} > {IP 
Admin} > {IP Address Static} to manually set the IP 
address, gateway and subnet mask with the proper 
LAN information. Or, just press [System] > {Setting} 
> {IP Admin} > {IP Address DCHP} to get the IP address 
in LAN dynamically according DCHP.
Press  {Apply} to enable all the configurations you 
set.
Ext Input
Toggles the channel for external input between Ref 
and  Tr ig .  Ref refers to a 10 MHz reference signal; Tri g 
refers to a TTL signal.
External Reference (Ref)
Use the external reference function as follows:
1 Input a 10 MHz signal into the EXT TRIG IN/REF IN 
connector.
2 Press  [System] > {Port Setting} > {Ext Input Ref} to
 
enable the external reference signal input. 
Then, the analyzer will disable the internal 
reference and switch to accept the external 
reference.