Rinstrum - R300 Series Digital Indicator Operator Manual Rev 1.5 
Page 14 
5.3. Units Switching (kg / lb) 
• Press the <UNITS> key to switch the display 
between kilograms and pounds.  
• Printing and serial communications will use the units 
displayed (either lb or kg). 
5.4. Hold  
• Press the <HOLD> key to hold the displayed weight 
at its current weight. 
• The Hold annunciator will be lit. 
• Press the <HOLD> key again to release the weight 
reading and return the display to normal weighing. 
• All printouts that print the displayed weight will use the held 
weight reading if it is currently being displayed. 
 
5.5. Peak Hold 
• Press the <PEAK> key to show the largest absolute 
weight, either positive or negative (eg. -30 is larger 
than 25).  The R320 compares the current weight 
reading with the stored peak and updates the peak 
reading whenever a larger weight is detected. 
• The Hold annunciator will be lit. 
 
• Press the <PEAK> key to toggle between the 
current weight and the peak weight. 
• When displaying the peak weight the Hold 
annunciator will be lit. 
• When displaying the peak weight, press and hold 
the <PEAK> key for two seconds to clear the peak 
value and reset back to 0 (zero). 
• All printouts that print the displayed weight will use the held 
weight reading if it is currently being displayed