User`s manual
ProScale M150, M250 and all products with General Purpose LCD Digital Displays  22 of 44 
Fully Programmable, Battery Operation 
This display operates on 2AA batteries. It includes all the features of the BASIC display 
plus: It has an auxiliary keypad with 6 keys for: switching between ABSolute readings and 
INCremental measurements, MONitoring position drift, SENDing data out the SPC 
connector, HOLDing the reading, and F1 & F2 special function keys. 
This display does not have Limit Alarm / Monitor Output, or Back-Lighting. 
Programming Parameters from Pr0 to Pr23 except Pr14, 15 & 22 are applicable to this 
display. 
Fully Programmable, 24VDC 
This display includes all the features of the PROGRAMMABLE Battery display. This 
display is intended to operate on 24VDC. It comes with a connector that allows easy 
connections for supply voltage and also serves as the output connection for the position 
Limit / Monitoring output signal. 
Programming Parameters Pr0 to Pr23 are applicable to this display. 
Mounting the Surface Mount Display 
The SURFACE MOUNT General Purpose Digital Display may be mounted: 
•  Using Velcro or Double sided tape 
•  Drilling out any of the four holes from the inside of the case 
• 
Using any of the six holes on the back of the case which may tapped for M2 or 4-40 
screws. 
NOTE: Care must be taken when using the inside holes. If using the lower left hole as 
shown above, be sure to use a screw that will not rise above the extruded countersink as 
this may short the input connector. 










