| Horizontal Symbol | Vertical Symbol | Description |
 HLT1R |
 VLT1R |
Red Standard |
 HLT1G |
 VLT1G |
Green Standard |
 HLT1A |
 VLT1A |
Amber Standard |
 HLT1Y |
 VLT1Y |
Yellow Standard |
 HLT1B |
 VLT1B |
Blue Standard |
 HLT1W |
 VLT1W |
White Standard |
 HLT1C |
 VLT1C |
Clear Standard |
 HLT1RP |
 VLT1RP |
Red Press To Test |
 HLT1GP |
 VLT1GP |
Green Press To Test |
 HLT1AP |
 VLT1AP |
Amber Press To Test |
 HLT1YP |
 VLT1YP |
Yellow Press To Test |
 HLT1BP |
 VLT1BP |
Blue Press To Test |
 HLT1WP |
 VLT1WP |
White Press To Test |
 HLT1CP |
 VLT1CP |
Clear Press To Test |
Note:
Lights receive text to indicate the color at the time of insertion.